CN211760573U - Dust keeper of electric tool and contain its angle mill - Google Patents
Dust keeper of electric tool and contain its angle mill Download PDFInfo
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- CN211760573U CN211760573U CN201922499261.3U CN201922499261U CN211760573U CN 211760573 U CN211760573 U CN 211760573U CN 201922499261 U CN201922499261 U CN 201922499261U CN 211760573 U CN211760573 U CN 211760573U
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- dust
- bellying
- casing
- fixing
- dust screen
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Abstract
The utility model discloses an electric tool's dust keeper and contain its angle mill, this dust keeper include hollow casing and dust screen, be provided with a plurality of depressed parts on the casing, be provided with on the dust screen a plurality of with the one-by-one complex bellying of depressed part, each the tip of bellying still is provided with the edge the buckle part that the radial direction of bellying extends, and the extending direction of buckle part is different, dust screen passes through the bellying is worn to locate the depressed part block connect in on the outer peripheral face of casing, the medial surface of buckle part support lean on in the internal face of casing. The plurality of protruding parts on the dustproof net piece penetrate through the recessed parts of the shell to form clamping connection, so that the dustproof net piece is convenient to disassemble and assemble, the end parts of the protruding parts are provided with clamping parts with different extending directions, the inner wall surface of the shell is buckled by the clamping parts, a plurality of directions of the dustproof net piece can be limited, and the reliability of the dustproof device is improved.
Description
Technical Field
The utility model relates to an electric tool's dust keeper and contain its angle mill.
Background
Usually, the air windows are arranged on the shell of the angle grinder and used for dissipating heat of the angle grinder, but when the angle grinder is used, large dust is generated, the dust enters the inside of the angle grinder through the air windows, and the angle grinder fails along with the increase of the dust, so that the arrangement of the dustproof mesh is necessary for the angle grinder.
In the patent publication No. CN104440804B, there is described a dust-proof device including a case and a dust-proof sheet attached to the inner side of the case and covering a louver, the dust-proof sheet being fixed to or detached from the case by a resilient piece provided at an end portion thereof. The dustproof sheet is a dustproof net sheet, and is provided with a ventilation hole which divides a large hole on the air window into small holes for ventilation and dust prevention. The fixing mode of the dustproof net piece has the following defects: (1) the elastic sheet for fixing the dust-proof mesh is arranged at the front end of the dust-proof mesh, and is in a deformed state in the whole process of inserting or pulling out the dust-proof mesh, so that a large inserting and pulling force is required; (2) the elastic sheet is deep into the shell, the sliding stroke of the elastic sheet is long, and the elastic sheet is not released when the dustproof net sheet is inserted into the bottom of the shell frequently, so that the dustproof net sheet is not fixed firmly.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an electric tool's dust keeper and contain its angle mill in order to overcome the not good defect of the fixed effect of dust screen among the prior art.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides an electric tool's dust keeper, its includes hollow casing and dust screen, be provided with a plurality of depressed parts on the casing, be provided with on the dust screen a plurality of with depressed part complex bellying one by one, each the tip of bellying still is provided with the edge the buckle part that the radial direction of bellying extended, and the extending direction of buckle part is different, dust screen passes through the bellying is worn to locate the depressed part block connect in on the outer peripheral face of casing, the medial surface of buckle part support lean on in the internal face of casing.
In this scheme, be provided with the wind window on the casing, dustproof mesh covers and is used for dustproof in the wind window. The size of buckle portion is less than the size of depressed part, and the bellying of being convenient for passes the depressed part to buckle portion and bellying all have certain elastic deformation, the dust screen dismouting of being convenient for. The inner side surface of the clamping part is the surface of the clamping part close to the dustproof net piece. The plurality of protruding parts on the dustproof net piece penetrate through the recessed parts of the shell to form clamping connection, the end parts of the protruding parts are further provided with clamping parts with different extending directions, the inner wall surface of the shell is buckled by the clamping parts, the plurality of directions of the dustproof net piece can be limited, the dustproof net piece is firmly fixed on the shell, the dustproof net piece is prevented from loosening and falling, the reliability of the dustproof device is improved, and meanwhile the dustproof net piece is convenient to disassemble and assemble on the shell.
Preferably, a direction in which the side wall surface of the protruding portion abuts against the inner wall surface of the recessed portion is the same as an extending direction of the fastening portion.
In this scheme, the direction that the side wall face of bellying leaned on in the internal face of depressed part is the same with the extending direction of clamping part, but make full use of clamping part and bellying's junction carry out spacing fixed to dust screen, avoids dust screen to slide.
Preferably, along the length direction of the dust-proof mesh, the dust-proof mesh is divided into a front end and a rear end, the extending direction of the buckling part close to the front end is forward, and the extending direction of the buckling part close to the rear end is backward.
In this scheme, dust screen opens from the rear end, and forward the extending direction of the clamping part of front end, the extending direction of the clamping part of rear end is backward, the dismouting dust screen of being convenient for.
Preferably, an oblique surface is arranged at an end of the fastening part, and the oblique surface inclines from the bottom surface of the fastening part to a direction close to the dust screen.
In this scheme, set up the bevel face on buckle portion, make buckle portion be convenient for slide in the depressed part, simple to operate. The buckling part can be partially provided with an oblique angle surface as required, and can also be completely provided with an oblique angle surface.
Preferably, along the length direction of the dust-proof net piece, the cross section of the oblique angle surface is in a conical structure with a smaller lower part and a larger upper part.
In this scheme, the installation all is at the length direction of dust screen piece with dismantling dust screen piece, and the bevel face is little big-end-up's toper structure down in the length direction's of dust screen piece cross-section, and when the installation dust screen piece, the direction of sliding at the depressed part edge of bevel face is unanimous with the lock-in direction of dust screen piece, realizes following the cunning, and the installation is laborsaving.
Preferably, an inwardly recessed limiting step is arranged on the outer peripheral surface of the shell, the edge of the dustproof mesh sheet abuts against the limiting step, a fixing groove is formed in one end of the shell and located at the limiting step, a fixing portion extending along the length direction of the fixing portion is arranged at one end of the dustproof mesh sheet, and the fixing portion is connected to the fixing groove.
In this scheme, set up the spacing step of indent, the embedded dust screen of being convenient for makes the outer peripheral face of dust screen and casing keep the parallel and level, sets up the fixed slot in spacing step department, is convenient for hide, makes dust keeper's appearance succinct, pleasing to the eye. The fixed slot is the fixed orifices, and spacing step is spacing on the axial, and fixed part and fixed slot cooperation are spacing in footpath, through these two kinds of spacing modes, improve dust mesh's fixed effect.
Preferably, the number of the fixing grooves and the number of the fixing parts are multiple, the fixing grooves and the fixing parts are arranged in a one-to-one correspondence manner, the fixing grooves are arranged at the position of the limiting step at intervals, and the fixing parts are arranged at one end of the dustproof mesh sheet at intervals.
In this scheme, set up a plurality of fixed slots and fixed part in the one end of casing, improve dust mesh's fixed effect.
Preferably, the other end of the dust-proof mesh is further provided with a force application part, and the force application part protrudes out of the other end of the shell and is used for detaching the dust-proof mesh.
In this scheme, application of force portion and fixed part set up respectively at the both ends of dust screen piece to application of force portion is outside outstanding, the manual dismantlement dust screen piece of being convenient for. When the dustproof net piece is disassembled and assembled, the dustproof net piece rotates around the fixing part to play a role of a rod, and the disassembly and the assembly are labor-saving. When the dustproof net sheet is disassembled, an upward force is applied to the force application part, and the clamping part slides out of the concave part by utilizing the elastic deformation of the convex part and the clamping part, so that the disassembly is completed; when the dustproof net is installed, the buckling part is aligned to the concave part, the dustproof net is pressed downwards, and the buckling part slides into the concave part and blocks the inner wall surface of the shell by utilizing the elastic deformation of the convex part and the buckling part, so that the installation is completed.
In other alternative schemes, a groove can be arranged at the bottom surface of the end part of the dustproof net piece to replace the force application part, the groove only needs to be partially exposed, the groove is prized outwards by a small tool or a fingernail, the dustproof net piece can be detached, the dustproof net piece does not need to be protruded outwards, and the appearance is concise and attractive.
Preferably, the bottom surface of the dust-proof mesh is provided with a binding surface, and the binding surface is used for binding the peripheral surface of the shell.
In this scheme, the laminating of binding face and the outer peripheral face of casing, dust screen and casing laminating are in the same place, reduce the volume, and the outward appearance is small and exquisite, pleasing to the eye.
The angle grinder comprises a motor and further comprises the dustproof device of the electric tool, and the dustproof device is sleeved outside the motor.
In this scheme, the one end dust that the angle mill is close to the aircraft nose is big, and the wind window generally sets up the tail end at the motor, and dust keeper cover is outside at the motor for block the inside that the dust got into the motor, improve the life of motor.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in: the plurality of protruding parts on the dustproof net piece penetrate through the recessed parts of the shell to form clamping connection, the end parts of the protruding parts are further provided with clamping parts with different extending directions, the inner wall surface of the shell is buckled by the clamping parts, the plurality of positions of the dustproof net piece can be limited, the dustproof net piece is firmly fixed on the shell, the dustproof net piece is prevented from loosening and falling, the reliability of the dustproof device is improved, meanwhile, the dustproof net piece can be conveniently disassembled and assembled on the shell, and the operation is simple and labor-saving. The dust keeper cover is in the outside of motor for block the inside that the dust got into the motor, improve the life of motor.
Drawings
Fig. 1 is a schematic structural view of a dust-proof device according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a dust-proof device according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a dust-proof device according to a preferred embodiment of the present invention.
Description of reference numerals:
Recess 11
Limit step 12
Fixing groove 13
Fastening part 211
Fixed part 22
Urging part 23
Rear end 20
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1-3, the present embodiment discloses a dust-proof device for an electric tool, which includes a hollow housing 1 and a dust-proof mesh sheet 2, the housing 1 is provided with a plurality of recesses 11, the dust-proof mesh sheet 2 is provided with a plurality of protrusions 21 that are matched with the recesses 11 one by one, the end of each protrusion 21 is further provided with a fastening portion 211 that extends along the radial direction of the protrusion 21, and the extending directions of the fastening portions 211 are different, the dust-proof mesh sheet 2 is inserted into the recesses 11 through the protrusions 21 and fastened to the outer peripheral surface of the housing 1, and the inner side surface of the fastening portion 211 abuts against the inner wall surface of the housing 1.
In this embodiment, the housing 1 is provided with a window, and the dust-proof mesh 2 covers the window for dust-proof. The size of buckle portion 211 is less than the size of depressed part 11, is convenient for bellying 21 to pass depressed part 11 to buckle portion 211 and bellying 21 all have certain elastic deformation, are convenient for dust screen 2 dismouting. The inner side surface of the locking portion 211 is the surface of the locking portion 211 close to the dust-proof mesh sheet 2. The plurality of protruding parts 21 on the dustproof net piece 2 penetrate through the recessed part 11 of the shell 1 to form clamping connection, the end parts of the protruding parts 21 are further provided with buckling parts 211 with different extending directions, the inner wall surface of the shell 1 is buckled by the buckling parts 211, the plurality of directions of the dustproof net piece 2 can be limited, the dustproof net piece 2 is firmly fixed on the shell 1, the dustproof net piece 2 is prevented from loosening and falling, the reliability of the dustproof device is improved, and meanwhile the dustproof net piece 2 is convenient to disassemble and assemble on the shell 1.
The direction in which the side wall surface of the protruding portion 21 abuts against the inner wall surface of the recessed portion 11 is the same as the extending direction of the locking portion 211.
In this embodiment, the direction in which the side wall surface of the protruding portion 21 abuts against the inner wall surface of the recessed portion 11 is the same as the extending direction of the fastening portion 211, and the joint between the fastening portion 211 and the protruding portion 21 can be sufficiently utilized to limit and fix the dust-proof mesh sheet 2, thereby preventing the dust-proof mesh sheet 2 from sliding.
The dust-proof mesh sheet 2 is divided into a front end 10 and a rear end 20 along the longitudinal direction of the dust-proof mesh sheet 2, and the extending direction of the latch portion 211 near the front end 10 is forward and the extending direction of the latch portion 211 near the rear end 20 is backward.
In the present embodiment, the dust-proof mesh sheet 2 is opened from the rear end 20, and the extending direction of the hooking portion 211 of the front end 10 is forward and the extending direction of the hooking portion 211 of the rear end 20 is backward, so that the dust-proof mesh sheet 2 is easily attached and detached, and the operation is simple and labor-saving.
In the present embodiment, the end portion of the locking portion 211 is provided with an oblique surface 2111, and the oblique surface 2111 is inclined from the bottom surface of the locking portion 211 toward the dust-proof mesh sheet 2. The end of the locking part 211 is provided with an oblique angle surface 2111, so that the locking part 211 can be conveniently slid into the recess 11, and the installation is convenient.
In the present embodiment, the cross section of the oblique surface 2111 has a tapered structure with a smaller bottom and a larger top along the longitudinal direction of the dust-proof mesh sheet 2. The attachment and detachment of the dust-proof net 2 are performed in the longitudinal direction of the dust-proof net 2. The section of the oblique angle surface 2111 in the length direction of the dust-proof net piece 2 is of a conical structure with a smaller bottom and a larger top, when the dust-proof net piece 2 is installed, the sliding direction of the oblique angle surface 2111 at the edge of the concave part 11 is consistent with the buckling direction of the dust-proof net piece 2, and the installation is labor-saving.
Be provided with inside sunken spacing step 12 on the outer peripheral face of casing 1, the edge of dust screen 2 supports and leans on in spacing step 12, and the one end of casing 1 is provided with fixed slot 13, and fixed slot 13 is located spacing step 12 department, and the one end of dust screen 2 is provided with the fixed part 22 that extends along its length direction, and fixed part 22 connects in fixed slot 13.
In this embodiment, set up the spacing step 12 of indent, the embedded dust screen 2 of being convenient for makes the outer peripheral face of dust screen 2 and casing 1 keep the parallel and level, sets up fixed slot 13 in spacing step 12 department, is convenient for hide, makes dust keeper's appearance succinct, pleasing to the eye. The fixed slot 13 is the fixed orifices, and spacing step 12 is spacing on the axial, and fixed part 22 and fixed slot 13 cooperation are spacing in footpath, through these two kinds of spacing modes, improve dust mesh 2's fixed effect.
Simultaneously, the quantity of fixed slot 13 and fixed part 22 also can be a plurality of to fixed slot 13 sets up with fixed part 22 one-to-one, and a plurality of fixed slot 13 intervals set up in spacing step 12 department, and a plurality of fixed part 22 intervals set up in the one end of dust screen 2. The plurality of fixing grooves 13 and the fixing portions 22 are provided at one end of the case 1, thereby improving the fixing effect of the dust-proof mesh sheet 2.
In the present embodiment, the other end of the dust-proof mesh sheet 2 is further provided with an urging portion 23, and the urging portion 23 protrudes from the other end of the housing 1 to detach the dust-proof mesh sheet 2. The force application part 23 and the fixing part 22 are respectively arranged at two ends of the dustproof net piece 2, and the force application part 23 protrudes outwards, so that the dustproof net piece 2 is convenient to manually detach. The fixing part 22 is arranged at one end of the dust-proof net piece 2, the force application part 23 is arranged at the other end of the dust-proof net piece 2, when the dust-proof net piece 2 is assembled and disassembled, the dust-proof net piece 2 rotates around the fixing part 22 to play a role of a rod, and the assembly and disassembly are labor-saving.
When the dustproof net piece 2 is disassembled, an upward force is applied to the force application part 23, and the buckling part 211 slides out of the concave part 11 by utilizing the elastic deformation of the convex part 21 and the buckling part 211, so that the disassembly is completed; when the dust-proof net sheet 2 is mounted, the fastening portion 211 is aligned with the recessed portion 11, the dust-proof net sheet 2 is pressed downward, and the fastening portion 211 slides into the recessed portion 11 and fastens the inner wall surface of the housing 1 by utilizing elastic deformation of the protruding portion 21 and the fastening portion 211, thereby completing the mounting.
In other alternative embodiments, a groove may be formed in the bottom surface of the end portion of the dust-proof mesh 2 instead of the force application portion 23, the groove only needs to be partially exposed, the groove is prized outwards by a small tool or a fingernail, the dust-proof mesh 2 can be detached, the dust-proof mesh 2 does not need to protrude outwards, and the appearance is concise and attractive.
In the present embodiment, the attachment surface 24 is provided on the bottom surface of the dust-proof mesh sheet 2, and the attachment surface 24 is used for attaching to the outer peripheral surface of the housing 1. The binding surface 24 is bound with the peripheral surface of the shell 1, and the dustproof net piece 2 is bound with the shell 1, so that the size is reduced, and the appearance is small and exquisite and attractive.
The angle grinder comprises a motor and further comprises a dustproof device of the electric tool, and the dustproof device is sleeved outside the motor.
In this embodiment, the one end dust that the angle mill is close to the aircraft nose is big, and the wind window generally sets up the tail end at the motor, and dust keeper overlaps at the motor outside for block the inside of dust entering motor, improve the life of motor.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The utility model provides an electric tool's dust keeper, its includes hollow casing and dust screen, its characterized in that, be provided with a plurality of depressed parts on the casing, be provided with on the dust screen a plurality of with depressed part complex bellying one by one, each the tip of bellying still is provided with the edge the buckle part that the radial direction of bellying extended, and the extending direction of buckle part is different, dust screen passes through the bellying is worn to locate the depressed part block connect in on the outer peripheral face of casing, the medial surface of buckle part support by in the internal face of casing.
2. The dust-proof device for electric power tool as claimed in claim 1, wherein the direction in which the side wall surface of the protrusion abuts against the inner wall surface of the recess is the same as the extending direction of the engaging portion.
3. The dust guard for a power tool as claimed in claim 2, wherein said dust guard has a front end and a rear end along a length of said dust guard, and said engaging portion near said front end extends forward and said engaging portion near said rear end extends rearward.
4. The dust-proof device of an electric power tool according to claim 1, wherein an end portion of the hooking portion is provided with an inclined surface inclined from a bottom surface of the hooking portion toward a direction close to the dust-proof mesh.
5. The dust guard for electric power tools as claimed in claim 4, wherein the cross-section of the beveled surface is tapered with a smaller bottom and a larger top along the length of the dust screen.
6. The dust guard of an electric power tool as claimed in any one of claims 1 to 5, wherein an inwardly recessed retaining step is provided on an outer circumferential surface of the housing, an edge of the dust-proof mesh abuts against the retaining step, a fixing groove is provided at one end of the housing, the fixing groove is located at the retaining step, and a fixing portion extending in a length direction of the fixing groove is provided at one end of the dust-proof mesh, and the fixing portion is connected to the fixing groove.
7. The dust guard of claim 6, wherein the number of the fixing grooves and the fixing portions is plural, and the fixing grooves and the fixing portions are disposed in one-to-one correspondence, the fixing grooves are spaced apart from each other at the position of the limiting step, and the fixing portions are spaced apart from each other at one end of the dust-proof mesh.
8. The dust guard of claim 6, wherein the other end of said dust screen is further provided with a biasing portion protruding from the other end of said housing for detaching said dust screen.
9. The dust guard of claim 1, wherein the bottom surface of the dust screen has an abutting surface for abutting against the outer peripheral surface of the housing.
10. An angle grinder comprising a motor, characterized in that the angle grinder further comprises a dust-proof device of an electric tool according to any one of claims 1 to 9, the dust-proof device being provided outside the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499261.3U CN211760573U (en) | 2019-12-31 | 2019-12-31 | Dust keeper of electric tool and contain its angle mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499261.3U CN211760573U (en) | 2019-12-31 | 2019-12-31 | Dust keeper of electric tool and contain its angle mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211760573U true CN211760573U (en) | 2020-10-27 |
Family
ID=72890060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922499261.3U Active CN211760573U (en) | 2019-12-31 | 2019-12-31 | Dust keeper of electric tool and contain its angle mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211760573U (en) |
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2019
- 2019-12-31 CN CN201922499261.3U patent/CN211760573U/en active Active
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