CN215147859U - Air cooling protection structure of angle grinder - Google Patents
Air cooling protection structure of angle grinder Download PDFInfo
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- CN215147859U CN215147859U CN202120806264.1U CN202120806264U CN215147859U CN 215147859 U CN215147859 U CN 215147859U CN 202120806264 U CN202120806264 U CN 202120806264U CN 215147859 U CN215147859 U CN 215147859U
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- inner shell
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- cap
- filter screen
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Abstract
The utility model discloses an angle mill air cooling protection structure, including the inner shell, and can dismantle the cap that the cooperation is connected in the inner shell outside, and the fan of swing joint in inner shell center, inner shell one side is provided with the lock sleeve that is used for the stator spacing, and the center of inner shell is provided with the fan chamber that is used for placing the fan, and the side of inner shell is provided with slot and net chamber, the center of cap is provided with the cavity, and the center of cavity is provided with the core hole that runs through the cap and be used for the rotor to pass through, the side of cap is connected with and is used for the picture peg of buckle formula cooperation connection in the slot and is used for connecting the filter screen in the net chamber, the filter screen is located between two adjacent picture pegs, and the side of picture peg is provided with the butt plate that links to each other with the cap; this angle mill air-cooled protection architecture can be fine protect the inside fan of angle mill and keep apart, effectually prevents that granule foreign matter from entering into angle mill motor department through fan wind-force and causing the possibility of circuit short circuit, has greatly prolonged the life-span that the angle mill can be used.
Description
Technical Field
The utility model relates to an angle mill forced air cooling protection architecture.
Background
The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials. However, a large amount of scrap iron or dust is often generated when the angle grinder is used, the fan inside the angle grinder is always in a working state in the machining process of the angle grinder to cool the motor, the scrap iron or dust easily enters the stator or the rotor of the motor through the wind power of the fan in the continuous working process, and therefore the circuit is damaged, the service life of the motor is prolonged when foreign matters enter the motor, the fan blades are damaged when the foreign matters continuously impact the fan, and the air cooling effect of the fan is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly solve the technical problem that prior art exists to a simple structure, convenient to use are provided, and can effectively completely cut off particle foreign matters such as external iron fillings or dust, guarantee angle mill motor and fan's result of use and life's angle mill forced air cooling protection architecture.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides an angle mill air-cooled protection architecture, includes the inner shell, and can dismantle the cooperation and connect the cap in the inner shell outside, and swing joint is at the fan of inner shell central authorities, the central authorities of inner shell are provided with the fan chamber that is used for placing the fan, and the side of inner shell is provided with slot and net chamber, the central authorities of cap are provided with the cavity, and the central authorities of cavity are provided with the core hole that runs through the cap, the central authorities of fan are connected with the stem, and the stem joint is in the central authorities in core hole, the side of cap is connected with picture peg and filter screen, can dismantle the cooperation between picture peg and the slot and be connected, the filter screen is located between two adjacent picture pegs, and the filter screen opposite side is connected in the net chamber of inner shell side.
As preferred, joint each other through the cooperation of slot and picture peg between inner shell one side and the cap, the opposite side of inner shell is connected with the lock sleeve, the central authorities of lock sleeve are provided with the screw for the cap can the joint in the side of inner shell, makes the fan of inner shell central authorities be in the protective space of cap and inner shell, and the inner shell joint is inside and hug closely in angle mill stator side at the angle mill casing, and the cooperation through screw rod and screw lets the inner shell carry out spacing fixed to the stator.
As preferred, the inner shell side is provided with more than two slots, and all is provided with the chamber of a net that is used for connecting the filter screen between two adjacent slots, buckle formula cooperation is connected between slot and the picture peg for can carry out the dismouting through the cooperation of picture peg and slot between cap and the inner shell, and the below of cap central authorities filter screen then is located the chamber of a net, the filter screen is L type structure, and the inner shell surface is located chamber of a net department and is provided with the double-layered groove that is used for the filter screen edge to put into, and filter screen and double-layered clearance fit between the groove.
Preferably, the side of picture peg is provided with the board that supports that links to each other with the shell cover, support the board and be provided with more than two and contact with the inner shell, support the board and contact with the surface of inner shell, control the installation degree of depth of shell cover through the board that supports in the shell cover outside, avoid the shell cover to imbed inside and the problem that the extrusion fan workspace appears of inner shell.
Preferably, the fan includes the fan lid, and connect the flabellum in fan lid side, and connect the stem at fan lid central authorities, the central authorities of stem are provided with the through-hole that is used for the pivot to pass through, the surface of stem is provided with the draw-in groove that is used for joint core hole, and be connected with the rib between fan lid and the stem, make the stem in the fan can be embedded into in the core hole, and the pivot of angle mill then can wear out through the through-hole, and improve flabellum and core column's fastness of being connected in the fan through fan lid and rib, and carry out the side direction protection with the flabellum through the fan lid, reduce the possibility of the direct striking flabellum of granule foreign matter.
Preferably, the internal surface in core hole is provided with the card strip, and interference fit is connected between the draw-in groove in stem central authorities and the card strip for stem in the fan can be embedded into in the core hole, and let the inboard card strip joint of core hole be used for carrying out axial and radial spacing with the stem in the draw-in groove of stem surface, make things convenient for the fan to carry out rotation activity's stability in the central authorities of inner shell and cap.
The utility model has the advantages that: the utility model discloses with the cooperation interconnect through picture peg and slot between inner shell and the cap, make things convenient for inner shell and cap to form the fan cavity and be used for protecting the angle mill fan, and the stem joint in the fan is in the core hole of cap central authorities, let the draw-in groove on stem surface and the mutual joint of the card strip of core hole internal surface promptly, let the fan can carry out the rotation activity under the restriction of cap, let the user can stabilize rotatory operation after installing the fan, not only made things convenient for the producer to install the fan in inner shell and cap, also effectively ensured the operational environment of fan; and be connected with the filter screen between two adjacent picture pegs of cap, and the filter screen is pegged graft in the vestibule on inner shell surface, setting up through the filter screen keeps apart the filtration with fan driven wind-force, the possibility that external dust granule enters into the motor inside through the fan has effectively been prevented, the problem of large-scale particulate matter continuous striking fan has been avoided, the result of use of fan has been protected, the service life of fan has been prolonged, and the winding electric wire of the stator and rotor of motor often exposes outside, particulate matter such as iron fillings dust enters into the motor inside and causes the motor short circuit more easily, then effectively ensured the result of use of motor in complicated environment through setting up of filter screen, the life of motor has been ensured.
Drawings
FIG. 1 is a schematic structural view of an air cooling protection structure of an angle grinder of the present invention;
FIG. 2 is an assembly view of the inner casing and the casing cover of the air cooling protection structure of the angle grinder of the present invention;
fig. 3 is a structural diagram of a fan in the air cooling protection structure of the angle grinder of the present invention.
In the figure: the fan comprises an inner shell 1, a slot 11, a lock sleeve 12, a screw hole 121, a net cavity 13, a fan 2, a fan cover 21, fan blades 22, a core column 23, a clamping groove 231, a through hole 232, ribs 24, a shell cover 3, an inserting plate 31, a supporting plate 32, a concave cavity 33, a clamping strip 34, a core hole 35, a filter screen 4, a bearing 5, a rotating shaft 6 and a stator 7.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, an angle mill air-cooled protection architecture, including inner shell 1, and can dismantle the cooperation and connect the cap 3 in the inner shell 1 outside, and swing joint is at the fan 2 of 1 central authorities of inner shell, the central authorities of inner shell 1 are provided with the fan chamber (not mark) that are used for placing fan 2, and the side of inner shell 1 is provided with slot 11 and chamber for a net 13, the central authorities of cap 3 are provided with cavity 33, and the central authorities of cavity 33 are provided with the core hole 35 that runs through cap 3, the central authorities of fan 2 are connected with stem 23, and the central authorities of stem 23 joint at core hole 35, the side of cap 3 is connected with picture peg 31 and filter screen 4, can dismantle the cooperation between picture peg 31 and the slot 11 and be connected, filter screen 4 is located between two adjacent picture pegs 31, and filter screen 4 opposite side is connected in the chamber for a net 13 of inner shell 2 side.
The mutual joint of cooperation through slot 11 and picture peg 31 between 1 one side of inner shell and the cap 3, the opposite side of inner shell 1 is connected with lock sleeve 12, the central authorities of lock sleeve 12 are provided with screw 121 for cap 3 can the joint in the side of inner shell 1, makes fan 2 at 1 central authorities of inner shell be in cap 3 and the protective space of inner shell 1, and 1 joint of inner shell is inside and hug closely in angle mill stator 7 side in angle mill casing (not mark), lets inner shell 1 carry out spacing fixed to stator 7 through the cooperation of screw rod with screw 121.
1 side of inner shell is provided with slot 11 more than two, and all is provided with the chamber of a net 13 that is used for connecting filter screen 4 between two adjacent slots 11, buckle formula cooperation is connected between slot 11 and the picture peg 31 for can carry out the dismouting through the cooperation of picture peg 31 with slot 11 between cap 3 and the inner shell 1, and the below of cap 3 central authorities filter screen 4 then is located chamber of a net 13, filter screen 4 is L type structure, and 1 surface in chamber of a net 13 department is provided with the double-layered groove (not mark) that is used for filter screen 4 edge to put into, and filter screen 4 and double-layered clearance fit between the groove.
The side of picture peg 31 is provided with the board 32 that supports that links to each other with the cap 3, support the board 32 and be provided with more than two and contact with inner shell 1, support the board 32 and contact with the surface of inner shell 1, control the installation depth of cap 3 through the board 32 that supports in the cap 3 outside, avoid the cap 3 to imbed inside the inner shell 1 and appear the problem of extrusion fan 2 working space.
The internal surface of core hole 35 is provided with card strip 34, and the draw-in groove 231 in stem 23 central authorities is connected with interference fit between the card strip 34 for stem 23 in the fan 2 can be embedded into in the core hole 35, and let the inboard card strip 34 joint of core hole 35 be used for carrying out axial and radial spacing with stem 23 in the draw-in groove 231 of stem 23 surface, make things convenient for fan 2 to carry out rotary motion's stability at the central authorities of inner shell 1 and cap 3.
The air cooling protection structure of the angle grinder installs the inner shell 1 in the shell of the angle grinder and is abutted against the stator 7, the rotor (not marked) in the center of the stator 7 in the angle grinder penetrates through the inner shell 1, then the fan 2 is installed on the rotating shaft 5 and is positioned in the center of the inner shell 1, meanwhile, the shell cover 3 is connected to the side of the inner shell 1 through the clamping of the inserting plates 31 and the inserting grooves 11, the filter screen 4 connected between two adjacent inserting plates 31 on the surface of the shell cover 3 is embedded into the net cavity 13 on the surface of the inner shell 1, meanwhile, the core column 23 in the center of the fan 2 is embedded into the core hole 35 in the center of the shell cover 3, so that the core hole 35 of the shell cover 3 and the core column 23 of the fan 2 are movably connected through the clamping strips 34 and the clamping grooves 231, the fan 2 can be stably rotated between the shell cover 3 and the inner shell 1, and the air driven by the fan 2 is filtered and screened through the filter screen 4, so that the inner shell 1 and the shell cover 3 are matched and connected to form a fan cavity for protecting the fan 2, the rotating shaft 6 in the center of the rotor penetrates through the inner shell 1 and the shell cover 3, the bearing 5 movably connected with the rotating shaft 6 is arranged on the outer side of the shell cover 3, the bearing 5 is located in the cavity 33 in the center of the shell cover 3 and used for limiting the shell cover 3 and the inner shell 1, the cavity 33 is convenient for limiting the installation position of the bearing 5, the stability of a manufacturer for stably installing the protection structure in the shell of the angle grinder is improved, the lock sleeve 12 connected to the side of the inner shell 1 enables the manufacturer to fixedly connect the bolt through the screw hole 121 in the center of the lock sleeve 12, the firmness of the protection structure after installation and connection is further improved, the stator 7 in the angle grinder can be limited, and the stator 7, the rotor, the rotating shaft 6 and the bearing 5 are conventional structures used for the angle grinder in the production and assembly process by technicians in the field.
The utility model has the advantages that: the utility model discloses with the cooperation interconnect through picture peg and slot between inner shell and the cap, make things convenient for inner shell and cap to form the fan cavity and be used for protecting the angle mill fan, and the stem joint in the fan is in the core hole of cap central authorities, let the draw-in groove on stem surface and the mutual joint of the card strip of core hole internal surface promptly, let the fan can carry out the rotation activity under the restriction of cap, let the user can stabilize rotatory operation after installing the fan, not only made things convenient for the producer to install the fan in inner shell and cap, also effectively ensured the operational environment of fan; and be connected with the filter screen between two adjacent picture pegs of cap, and the filter screen is pegged graft in the vestibule on inner shell surface, setting up through the filter screen keeps apart the filtration with fan driven wind-force, the possibility that external dust granule enters into the motor inside through the fan has effectively been prevented, the problem of large-scale particulate matter continuous striking fan has been avoided, the result of use of fan has been protected, the service life of fan has been prolonged, and the winding electric wire of the stator and rotor of motor often exposes outside, particulate matter such as iron fillings dust enters into the motor inside and causes the motor short circuit more easily, then effectively ensured the result of use of motor in complicated environment through setting up of filter screen, the life of motor has been ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. The utility model provides an angle mill forced air cooling protection architecture which characterized in that: including the inner shell, and can dismantle the cooperation and connect the cap in the inner shell outside, and swing joint is at the fan of inner shell central authorities, the central authorities of inner shell are provided with the fan chamber that is used for placing the fan, and the side of inner shell is provided with slot and netowrk, the central authorities of cap are provided with the cavity, and the central authorities of cavity are provided with the core hole that runs through the cap, the central authorities of fan are connected with the stem, and the central authorities of stem joint in the core hole, the side of cap is connected with picture peg and filter screen, can dismantle the cooperation between picture peg and the slot and be connected, the filter screen is located between two adjacent picture pegs, and the filter screen opposite side is connected in the netowrk of inner shell side.
2. The angle grinder air-cooling protection structure of claim 1, wherein: the inner shell is characterized in that one side of the inner shell is clamped with the shell cover through the matching of the inserting groove and the inserting plate, the other side of the inner shell is connected with a lock sleeve, and a screw hole is formed in the center of the lock sleeve.
3. The angle grinder air-cooling protection structure of claim 1, wherein: the inner shell side is provided with more than two slots, and all is provided with the chamber with a net that is used for connecting the filter screen between two adjacent slots, buckle formula cooperation is connected between slot and the picture peg.
4. The angle grinder air-cooling protection structure of claim 1, wherein: and more than two abutting plates connected with the shell cover are arranged on the lateral side of the inserting plate and are in contact with the inner shell.
5. The angle grinder air-cooling protection structure of claim 1, wherein: the fan comprises a fan cover, fan blades connected to the side of the fan cover and a core column connected to the center of the fan cover, a through hole for the rotating shaft to pass through is formed in the center of the core column, a clamping groove used for clamping the core hole is formed in the outer surface of the core column, and ribs are connected between the fan cover and the core column.
6. The angle grinder air-cooling protection structure of claim 5, wherein: the inner surface of the core hole is provided with a clamping strip, and the clamping groove in the center of the core column is connected with the clamping strip in an interference fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120806264.1U CN215147859U (en) | 2021-04-16 | 2021-04-16 | Air cooling protection structure of angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120806264.1U CN215147859U (en) | 2021-04-16 | 2021-04-16 | Air cooling protection structure of angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215147859U true CN215147859U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120806264.1U Active CN215147859U (en) | 2021-04-16 | 2021-04-16 | Air cooling protection structure of angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215147859U (en) |
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2021
- 2021-04-16 CN CN202120806264.1U patent/CN215147859U/en active Active
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