CN218139092U - Electric hammer protective cover - Google Patents
Electric hammer protective cover Download PDFInfo
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- CN218139092U CN218139092U CN202220934460.1U CN202220934460U CN218139092U CN 218139092 U CN218139092 U CN 218139092U CN 202220934460 U CN202220934460 U CN 202220934460U CN 218139092 U CN218139092 U CN 218139092U
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- electric hammer
- ring portion
- cover
- dust
- transparent plate
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Abstract
The utility model discloses an electric hammer protective cover, which belongs to the technical field of electric tools and comprises a cover enclosing body, wherein the narrow end of the cover enclosing body is sealed with a bottom plate, the bottom plate is provided with a through hole for a hammer drill to pass through, the wide end of the cover enclosing body extends towards the direction far away from the narrow end to form a first ring part, the outer wall of the first ring part is sleeved with a telescopic part, and the telescopic part can extend or contract along the central axis thereof and is fixed in the state when the telescopic part extends or contracts; the enclosure part is covered with a transparent plate for observation, a clearing mechanism is arranged on the inner side of the transparent plate, a swing rod of the clearing mechanism is provided with bristles, and the swing rod can swing in a reciprocating manner under the driving of the driving assembly; the enclosure part is also provided with a dust collection interface, the inner end of the dust collection interface is covered with a conical cover, and the outer end of the dust collection interface is detachably connected with the dust collector through a pipeline. Through the protection casing, avoid the dust polluted environment that scatters everywhere, cover the transparent plate on the protection casing, be convenient for observe among the electric hammer drilling work progress, improve electric hammer efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of electric tool, concretely relates to electric hammer protection casing.
Background
An electric hammer is one of electric drills and is mainly used for drilling holes in floor slabs, brick walls or stone. The electric hammer is attached with a pneumatic hammering mechanism, can repeatedly compress a gas impact drill bit by utilizing the principle of piston motion, and can efficiently open 6-100 mm holes on hard materials such as concrete, bricks, stones and the like. The electric hammer has higher perforating efficiency on the wall surface, concrete and stone, and is time-saving and labor-saving. Therefore, the electric hammer is widely applied to the field of building material decoration.
In the actual construction process of building material decoration, the situation that holes need to be drilled on a ceiling by using an electric hammer is often met. Firstly, the dust shaken off from top to bottom can seriously obstruct the sight of an electric hammer operator and greatly influence the punching precision of the electric hammer user; secondly, the sight is blocked, and certain potential safety hazards are caused to the construction operation; in addition, the shaken off dust scatters around, and the dust needs to be cleaned after the construction is finished, so that the workload of electric hammer users is additionally increased. In the prior art, for example, chinese patent publication No. CN107756340a provides a dust-proof noise-reducing percussion drill for decoration, which includes a percussion drill main body, a protective cover is arranged on the percussion drill main body, and the protective cover is arranged at one end of a percussion drill bit; the protective cover is in a horn shape, and the smaller end of the protective cover is sleeved on the impact drill; the protective cover is also provided with a dust removal spray head and a dirt collecting pocket. The impact drill solves the problem of dust shaking off in the electric hammer construction process to a certain extent by arranging the protective cover, but the closed protective cover also obstructs the sight of a user of the electric hammer, and is not beneficial to construction operation; meanwhile, the protective cover has single structural specification and small application range; in addition, the mode that the dust removing spray head settles dust needs to provide higher requirements for the waterproof sealing effect of the percussion drill, and the actual application prospect is not ideal.
Therefore, in order to solve the problems in the prior art, it is urgently needed to provide an electric hammer protection cover which is convenient for construction and observation, good in dustproof effect and wide in application range.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides an electric hammer protection casing to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this: the electric hammer protective cover comprises a machine body and a drill bit, the protective cover encloses the drill bit of the electric hammer and is fixedly connected with the machine body of the electric hammer,
the protective cover comprises a surrounding cover part, the surrounding cover part is a square funnel structure with an opening being wide at the top and narrow at the bottom, the narrow end of the surrounding cover part is sealed by a bottom plate, a through hole for a hammer drill to pass through is formed in the bottom plate, the wide end of the surrounding cover part extends towards the direction far away from the narrow end to form a first ring part, the outer wall of the first ring part is sleeved with a telescopic part, and the telescopic part can extend or contract along the central axis of the telescopic part and is fixed in the telescopic state;
a slotted hole is formed in the side wall of the enclosing cover part, a transparent plate for observation is covered on the slotted hole, a clearing mechanism is arranged on the inner side of the transparent plate and comprises a driving assembly and a swing rod, the swing rod is in transmission connection with the driving assembly, brush hair is arranged on one side, facing the transparent plate, of the swing rod and abuts against the transparent plate, a first supporting point is further arranged on the side wall of the enclosing cover part, and the swing rod can swing around the first supporting point in a reciprocating mode under the driving of the driving assembly;
the dust collection cover is characterized in that the enclosure portion is further provided with a dust collection interface communicated with the inside and the outside of the protective cover, a conical cover covers the inner end of the dust collection interface, a plurality of through grooves are circumferentially distributed on the side wall of the conical cover, and the outer end of the dust collection interface is detachably connected with a dust collector through a pipeline.
The utility model discloses in, through the protection casing, with the dust that shakes off in the electric hammer use isolated effectively in the protection casing, avoid the dust polluted environment that scatters everywhere to and reduce the influence healthy to the constructor.
As a further improvement of the above scheme, the enclosure portion includes a plurality of side plates and a bottom plate, each side plate is trapezoidal and is connected end to form an annular structure, and each side plate is connected with the bottom plate respectively and is arranged around the bottom plate in an outward inclined manner.
As a further improvement of the above scheme, the telescopic part includes a second ring part and a third ring part, the third ring part is sleeved on the second ring part, and the second ring part is sleeved on the first ring part.
As a further improvement of the above scheme, a fastener is arranged on the outer wall of the first ring part, a plurality of clamping positions are distributed at intervals on the inner wall of the second ring part along the extension direction, and the first ring part is in clamping connection with the clamping positions of the second ring part through the fastener;
the outer wall of the second ring portion is provided with a fastener, the inner wall of the third ring portion is provided with a plurality of clamping positions at intervals along the extending direction, and the second ring portion is connected with the clamping positions of the third ring portion in a buckling mode through the fastener.
As a further improvement of the above scheme, the fastener of the first ring portion/the second ring portion comprises a cylindrical hole, one end of the cylindrical hole is provided with a plug, the other end of the cylindrical hole is provided with a round hole, the cylindrical hole is further provided with a spring, one end of the spring abuts against the plug, the other end of the spring is fixedly connected with a ball, and the ball diameter of the ball is larger than the diameter of the round hole; the clamping position is a groove, and the structure of the groove is matched with the ball;
set up the fastener into the ball that has the pretightning force, be connected through the buckle of ball and recess, design when realizing the flexible state of protection casing pars contractilis fast sets up scalable form with the protection casing, corresponds the cage degree of depth scope of protection casing according to actual construction environment to reach the isolated effect of good dust, application scope is wide.
As a further improvement of the proposal, the ball diameter of the ball is 1.3 to 1.5 times of the diameter of the round hole.
As a further improvement of the above scheme, the driving assembly comprises a motor, an output shaft of the motor is in driving connection with a connecting rod, the connecting rod extends and is hinged to a sliding block, and the sliding block is arranged on the oscillating bar and is in sliding connection with the oscillating bar;
in order to improve the observation effect of construction, further, set up clearance mechanism on the transparent plate, drive the reciprocal swing of brush hair through the pendulum rod, clear away the electric hammer work progress and shake off the dust of piling up on the observation window, improve electric hammer efficiency of construction.
As a further improvement of the scheme, the swing angle range of the swing rod is 95-125 degrees;
in order to improve the construction efficiency of the electric hammer, the swing angle of the swing rod is reasonably configured, and the dust removing effect of the transparent plate can be effectively improved.
As a further improvement of the scheme, the length of the swing rod is 3-4 times of that of the connecting rod.
As a further improvement of the above scheme, the transparent plate is a tempered glass plate; in order to facilitate the construction operation by using the electric hammer with the protective cover, the protective cover is provided with a slotted hole and covered with a transparent plate, so that the electric hammer can be observed conveniently in the punching construction process, the punching precision of the electric hammer is improved, and the safety accident possibly caused by the blocked construction sight line is avoided;
in addition, the transparent plate is configured into a toughened glass plate, so that the clear construction and observation sight is ensured, meanwhile, the toughened glass structure is adopted, the structural stability of the protective cover can be effectively improved, and the service life of the protective cover is prolonged.
The utility model has the advantages that:
(1) The dust shaken off in the using process of the electric hammer is effectively isolated in the protective cover through the protective cover, so that the scattered dust is prevented from polluting the environment, and the influence on the body health of construction personnel is reduced; the protective cover is arranged in a telescopic mode, and the depth range of the protective cover is corresponding to the cage depth range of the protective cover according to the actual construction environment, so that a good dust isolation effect is achieved, and the application range is wide;
(2) The protective cover is provided with the slotted hole and covered with the transparent plate, so that observation in the drilling construction process of the electric hammer is facilitated, the drilling precision of the electric hammer is improved, and safety accidents possibly caused by the fact that construction sight is blocked are avoided; the cleaning mechanism is arranged on the transparent plate, and the brush hair is driven to swing in a reciprocating manner through the swing rod, so that dust accumulated on the observation window in the construction process of the electric hammer is cleaned, and the construction efficiency of the electric hammer is improved;
(3) Reserve the dust absorption interface on the protection casing, communicate to the dust catcher through the dust absorption interface, be convenient for carry out the quick absorption clearance to the dust in the protection casing, simultaneously, cover the tapered lid on the dust absorption interface, avoid the large granule fragment accident to fall into the dust absorption interface, block the dust absorption pipeline.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of another perspective view of the present invention;
FIG. 3 is a schematic diagram of the cleaning mechanism of the present invention;
fig. 4 is a cross-sectional view of the present invention;
FIG. 5 is a partial enlarged view of FIG. 4 at a;
reference numerals:
1. an electric hammer;
2. a shield body; 21a, an enclosure part; 21b, a first ring part; 22. a telescopic part; 22a, a second ring portion; 22b, a third ring portion; c1, a slotted hole; t1, a transparent plate; t2, through holes;
3. a clearing mechanism; 31. a motor; 32. a swing rod; 33. a connecting rod; 34. a slider; z1, a first fulcrum; z2, a second fulcrum;
4. a dust collection connector; 41. a cone-shaped cover; 42. a through groove; 43. a pipeline;
k1, a fastener; k11, a columnar hole; k12, a spring; k13, rolling balls; k14, a plug;
a1, blocking. ' Qiyi
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, the electric hammer 1 comprises a body and a drill bit, the protective cover encloses the drill bit of the electric hammer 1 and is fixedly connected with the body of the electric hammer 1,
the protective cover comprises a surrounding cover part 21a, the surrounding cover part 21a is a square funnel structure with an opening which is wide at the top and narrow at the bottom, in the embodiment, the surrounding cover part 21a comprises a plurality of side plates and a bottom plate, the side plates are trapezoidal and are connected end to form an annular structure, and the side plates are respectively connected with the bottom plate and are arranged in an outward inclining mode around the bottom plate.
The narrow end of the enclosing cover part 21a is closed with the bottom plate, the bottom plate is provided with a through hole T2 for the drill bit of the electric hammer 1 to pass through, in the embodiment, a sealing strip (not marked in the figure) is also enclosed between the edge of the through hole T2 and the drill bit of the electric hammer 1, specifically, the sealing strip can be a brush, and through the isolating action of the brush, dust can be effectively prevented from sliding down from the gap between the drill bit of the electric hammer 1 and the through hole T2 of the bottom plate, so that the dust isolating effect is influenced;
the wide end of the surrounding cover part 21a extends towards the direction far away from the narrow end to form a first ring part 21b, an expansion part 22 is sleeved on the outer wall of the first ring part 21b, and the expansion part 22 can extend or contract along the central axis thereof and is fixed in the expansion state;
specifically, in this embodiment, the telescopic portion 22 includes a second ring portion 22a and a third ring portion 22b, the third ring portion 22b is sleeved on the second ring portion 22a, and the second ring portion 22a is sleeved on the first ring portion 21 b.
In this embodiment, a fastener K1 is disposed on an outer wall of the first ring portion 21b, a plurality of locking positions A1 are distributed at intervals on an inner wall of the second ring portion 22a along an extending direction, and the first ring portion 21b and the locking positions A1 of the second ring portion 22a form a snap connection through the fastener K1; be equipped with fastener K1 on the outer wall of second ring portion 22a, the inner wall of third ring portion 22b has a plurality of screens A1 along extending direction interval distribution, and second ring portion 22a passes through fastener K1 forms the buckle with the screens A1 of third ring portion 22b and is connected.
Specifically, in this embodiment, the fastening K1 of the first ring portion 21 b/the second ring portion 22a includes a cylindrical hole K11, one end of the cylindrical hole K11 is provided with a plug K14, the other end of the cylindrical hole K11 is provided with a circular hole, the cylindrical hole K11 is further provided with a spring K12, one end of the spring K12 abuts against the plug K14, the other end of the spring K12 is fixedly connected with a ball K13, and a diameter of the ball K13 is greater than a diameter of the circular hole; the clamping position A1 is a groove, and the structure of the groove is matched with the ball K13; set up fastener K1 to the ball K13 that has the pretightning force, be connected through the buckle of ball K13 with the recess, design when realizing the flexible state of protection casing pars contractilis 22 fast sets up scalable form with the protection casing, corresponds the cage degree of depth scope of protection casing according to actual construction environment to reach the isolated effect of good dust, application scope is wide. In a preferred embodiment, the ball diameter of the ball K13 is 1.3 to 1.5 times of the diameter of the circular hole.
A slotted hole C1 is formed in the side wall of the enclosing cover part 21a, a transparent plate T1 for observation is covered on the slotted hole C1, a clearing mechanism 3 is arranged on the inner side of the transparent plate T1, the clearing mechanism 3 comprises a driving component and a swing rod 32, the swing rod 32 is in transmission connection with the driving component, brush bristles are arranged on one side, facing the transparent plate T1, of the swing rod 32 and abut against the transparent plate T1, a first fulcrum Z1 is further arranged on the side wall of the enclosing cover part 21a, and the swing rod 32 can swing around the first fulcrum Z1 in a reciprocating mode under the driving of the driving component;
in this embodiment, the driving assembly includes a motor 31, an output shaft of the motor 31 is drivingly connected with a connecting rod 33, the connecting rod 33 extends and is hinged to a sliding block 34, and forms a second fulcrum Z2 with the sliding block 34, and the sliding block 34 is disposed on the swing link 32 and is slidably connected with the swing link 32; in order to improve the construction observation effect, a clearing mechanism 3 is further arranged on the transparent plate T1, the swing rod 32 drives the brush bristles to swing in a reciprocating mode, dust accumulated on an observation window in the construction process of the electric hammer 1 is cleared, and the construction efficiency of the electric hammer 1 is improved.
In this embodiment, the swing angle of the swing link 32 ranges from 95 ° to 125 °; in order to improve the construction efficiency of the electric hammer 1, the swing angle of the swing rod 32 is reasonably configured, and the dust removing effect of the transparent plate T1 can be effectively improved. Specifically, the length of the swing link 32 is 3 to 4 times of the length of the connecting rod 33.
In this embodiment, the transparent plate T1 is a tempered glass plate; in order to facilitate the construction operation of the electric hammer 1 with the protective cover, the protective cover is provided with a slotted hole C1 and covers the transparent plate T1, so that the electric hammer 1 can be observed conveniently in the punching construction process, the punching precision of the electric hammer 1 is improved, and the safety accidents possibly caused by the blocked construction sight line are avoided; in addition, the transparent plate T1 is configured to be a toughened glass plate, so that the clear construction and observation sight is ensured, meanwhile, the toughened glass structure is adopted, the structural stability of the protective cover can be effectively improved, and the service life of the protective cover is prolonged.
The dust collecting cover is characterized in that the enclosure part 21a is further provided with a dust collecting interface 4 communicated with the inside and the outside of the protective cover, the inner end of the dust collecting interface 4 is covered with a conical cover 41, a plurality of through grooves 42 are circumferentially distributed on the side wall of the conical cover 41, and the outer end of the dust collecting interface 4 is detachably connected with a dust collector through a pipeline 43.
Specifically, a dust collector is externally connected, a dust collection pipeline of the dust collector is communicated and fixed with the pipeline 43, the dust collector is started, dust shaken off in the protective cover is sucked from the circumferential through groove 42 of the conical cover 41 and is conveyed into the dust collector through the pipeline 43, and then the dust in the protective cover can be cleaned conveniently and quickly; reserve dust absorption interface 4 on the protection casing, communicate to the dust catcher through dust absorption interface 4, be convenient for carry out the quick absorption clearance to the dust in the protection casing, simultaneously, cover tapered cover 41 on dust absorption interface 4, avoid the large granule fragment accident to fall into dust absorption interface 4, block dust absorption pipeline 43.
Through the above technical scheme of the utility model, in the concrete application, firstly, pass the drill bit of electric hammer 1 through-hole T2, make the protection casing and the fuselage of electric hammer 1 rigid coupling mutually, according to the operating mode of job site, correspond the cage cover depth range of adjusting protection casing pars contractilis 22, in order to reach good dust isolated effect;
secondly, the electric hammer 1 is started, and dust shaken off from a wall body/a ceiling/a floor slab is effectively isolated by the protective cover in the use process of the electric hammer 1, at the moment, a user of the electric hammer 1 can observe the electric hammer 1 in the punching construction process through the transparent plate T1, so that the punching precision of the electric hammer 1 is improved, and safety accidents possibly caused by the blocked construction sight line are avoided; meanwhile, the cleaning mechanism 3 is arranged on the transparent plate T1, and the bristles are driven to swing in a reciprocating manner through the swing rod 32, so that dust accumulated on the observation window in the construction process of the electric hammer 1 can be effectively cleaned, and the construction efficiency of the electric hammer 1 is improved;
finally, after the construction operation of the electric hammer 1 is finished, the dust collector can be communicated through the dust collection interface 4, so that the dust in the protective cover can be quickly adsorbed and cleaned.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides an electric hammer protection casing, the electric hammer includes fuselage and drill bit, the drill bit that covers the electric hammer is enclosed to the protection casing to with the fuselage fixed connection of electric hammer, its characterized in that:
the protective cover comprises a surrounding cover part, the surrounding cover part is a square funnel structure with an opening being wide at the top and narrow at the bottom, the narrow end of the surrounding cover part is sealed by a bottom plate, a through hole for a hammer drill to pass through is formed in the bottom plate, the wide end of the surrounding cover part extends towards the direction far away from the narrow end to form a first ring part, the outer wall of the first ring part is sleeved with a telescopic part, and the telescopic part can extend or contract along the central axis of the telescopic part and is fixed in the telescopic state;
a slotted hole is formed in the side wall of the enclosing cover part, a transparent plate for observation is covered on the slotted hole, a clearing mechanism is arranged on the inner side of the transparent plate and comprises a driving assembly and a swing rod, the swing rod is in transmission connection with the driving assembly, brush hair is arranged on one side, facing the transparent plate, of the swing rod and abuts against the transparent plate, a first supporting point is further arranged on the side wall of the enclosing cover part, and the swing rod can swing around the first supporting point in a reciprocating mode under the driving of the driving assembly;
the dust collection cover is characterized in that a dust collection interface communicated with the inside and the outside of the protective cover is further arranged on the covering portion, a conical cover covers the inner end of the dust collection interface, a plurality of through grooves are distributed in the circumferential direction on the side wall of the conical cover, and the outer end of the dust collection interface is detachably connected with a dust collector through a pipeline.
2. The hammer shield according to claim 1, wherein the shield portion includes a plurality of side plates and a base plate, each side plate being trapezoidal and joined end to form an annular structure, each side plate being connected to the base plate and being disposed obliquely outwardly around the base plate.
3. The hammer shield according to claim 2, wherein the telescoping portion includes a second ring portion and a third ring portion, the third ring portion being sleeved on the second ring portion, the second ring portion being sleeved on the first ring portion.
4. The electric hammer shield according to claim 3, wherein the outer wall of the first ring portion is provided with a fastener, the inner wall of the second ring portion is provided with a plurality of clamping positions at intervals along the extending direction, and the first ring portion is in clamping connection with the clamping positions of the second ring portion through the fastener;
be equipped with the fastener on the outer wall of second ring portion, the inner wall of third ring portion has a plurality of screens along extending direction interval distribution, and second ring portion passes through the fastener forms the buckle with the screens of third ring portion and is connected.
5. The electric hammer shield according to claim 4, wherein the first ring/second ring fastener comprises a cylindrical hole, one end of the cylindrical hole is provided with a plug, the other end of the cylindrical hole is provided with a circular hole, the cylindrical hole is further provided with a spring, one end of the spring abuts against the plug, the other end of the spring is fixedly connected with a ball, and the ball diameter of the ball is larger than the diameter of the circular hole; the screens is the recess, the structure and the ball looks adaptation of recess.
6. The electric hammer shield according to claim 5, wherein the ball has a diameter 1.3 to 1.5 times the diameter of the circular hole.
7. The hammer guard of claim 1 wherein the drive assembly includes a motor having an output shaft drivingly connected to a connecting rod, the connecting rod extending and being hingedly connected to a slider, the slider being disposed on the swing link and being slidably connected to the swing link.
8. The electric hammer shield according to claim 7, wherein the swing angle of the swing link is in a range of 95 ° to 125 °.
9. The electric hammer shield according to claim 8, wherein the length of the pendulum rod is 3 to 4 times the length of the connecting rod.
10. The electric hammer shield according to claim 9, wherein the transparent plate is a tempered glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220934460.1U CN218139092U (en) | 2022-04-21 | 2022-04-21 | Electric hammer protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220934460.1U CN218139092U (en) | 2022-04-21 | 2022-04-21 | Electric hammer protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218139092U true CN218139092U (en) | 2022-12-27 |
Family
ID=84573549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220934460.1U Active CN218139092U (en) | 2022-04-21 | 2022-04-21 | Electric hammer protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218139092U (en) |
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2022
- 2022-04-21 CN CN202220934460.1U patent/CN218139092U/en active Active
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