CN215659546U

CN215659546U - High handheld abrasive machine of security

Info

Publication number: CN215659546U
Application number: CN202121680409.4U
Authority: CN
Inventors: 王俊标
Original assignee: Shanghai Tianmiao Construction Engineering Co ltd
Current assignee: Shanghai Tianmiao Construction Engineering Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-28
Anticipated expiration: 2031-07-23

Abstract

The application relates to a high-safety handheld grinder which comprises a shell, wherein a holding handle is arranged at one end of the shell, a connecting rod is arranged at one end, away from the holding handle, of the shell, a grinding wheel is arranged at one end, away from the shell, of the connecting rod, and a grinding wheel shield is arranged at the outer wall of the grinding wheel; a dust blowing assembly is arranged at one end, close to the grinding wheel, of the machine shell and comprises a mounting seat, an air outlet is formed in the mounting seat, and the air outlet faces to the side wall of the grinding wheel; be provided with a plurality of fans of blowing in the mount pad, the lateral wall department of fan orientation emery wheel of blowing. The application has the effect of reducing the harm of dust to operating personnel health.

Description

High handheld abrasive machine of security

Technical Field

The application relates to the field of abrasive machine, especially relate to a high handheld abrasive machine of security.

Background

The grinder is a common device used for sharpening various props and tools, and can also cut some common workpieces.

Chinese patent No. CN202029006U discloses a hand-held grinder, which comprises a housing, a motor and a grinding wheel spindle with a grinding wheel are arranged in the housing, the motor is a dc motor, the grinding wheel is arranged at one end of the grinding wheel spindle, and the other end of the grinding wheel spindle is connected with the dc motor spindle through a coupling.

In view of the above-mentioned related technologies, the inventor believes that the grinding wheel generates much dust during grinding, the dust has a small mass and floats in the air, the dust easily floats near the mouth and nose of the operator, and the operator easily inhales the dust, thereby causing harm to the body of the operator.

SUMMERY OF THE UTILITY MODEL

The dust that produces floats to the phenomenon near operating personnel's mouth and nose in order to reduce handheld grinder when polishing, this application provides a high handheld grinder of security.

The application provides a handheld abrasive machine that security is high adopts following technical scheme:

a handheld grinder with high safety comprises a shell, wherein a holding handle is arranged at one end of the shell, a connecting rod is arranged at one end, away from the holding handle, of the shell, a grinding wheel is arranged at one end, away from the shell, of the connecting rod, and a grinding wheel shield is arranged at the outer wall of the grinding wheel; a dust blowing assembly is arranged at one end, close to the grinding wheel, of the machine shell and comprises a mounting seat, an air outlet is formed in the mounting seat, and the air outlet faces to the side wall of the grinding wheel; the installation seat is internally provided with a plurality of blowing fans, and the blowing fans face the side wall of the grinding wheel.

Through adopting above-mentioned technical scheme, be provided with in casing department and blow the dirt subassembly, when the emery wheel of polishing was polished the work piece, blow the dirt subassembly with the dust towards the one end of keeping away from the handle that grips and blow, reduced the dust and be close to with operating personnel for operating personnel mouth nose inhales the dust, causes the phenomenon of harm to operating personnel's health.

Optionally, the lateral wall department of mount pad is provided with filtering component, filtering component includes the filter screen, filtering component is located the air outlet department of mount pad for reduce the piece and get into make the phenomenon of blowing fan damage in the mount pad.

Through adopting above-mentioned technical scheme, filtering component's setting for when the emery wheel of polishing polished the work piece, the large granule of splash is met and is intercepted outside the air outlet after the filter screen, has reduced during the piece gets into the mount pad, thereby causes the phenomenon of damage to blowing the fan.

Optionally, the filter assembly further comprises a connecting frame, the side wall of the connecting frame is attached to the side wall of the end, provided with the air outlet, of the mounting seat, a plugging plate is arranged at the side wall of the connecting frame, a plugging groove for the plugging plate to be plugged is formed in the side wall of the mounting seat, and the side wall of the plugging plate is matched with the side wall of the plugging groove.

Through adopting above-mentioned technical scheme, insert the plugboard of connection frame and establish in the inserting groove, the plugboard offsets with the inserting groove to can install filtering component and mount pad, in order to realize being connected filtering component's dismantlement, so that follow-up fan to in the mount pad is maintained.

Optionally, a magnetic member is disposed on a side wall of the insertion plate, and an adsorption member magnetically attracted to the magnetic member is disposed on an inner wall of the insertion groove.

Through adopting above-mentioned technical scheme, when the inserting plate was inserted and is located the inserting groove, the magnetic part of inserting plate lateral wall and the absorption part magnetism of inserting groove inner wall attracted mutually to reduced the grinder during operation, the phenomenon that the connection frame rocked is made in the vibrations that produce, effectively promoted filter assembly's stability.

Optionally, one side of the connecting frame, which is attached to the mounting seat, is provided with a flexible fixing strip, the side wall of the mounting seat is provided with a connecting groove, the flexible fixing strip can be inserted into the connecting groove, and the flexible fixing strip is in interference fit with the connecting groove.

Through adopting above-mentioned technical scheme, with the splice frame with the mount pad laminating back, the extrusion splice frame for flexible fixed strip is inserted and is located the spread groove, and flexible fixed strip and spread groove interference fit have effectively promoted the connection compactness between splice frame and the mount pad, thereby have promoted the stability between splice frame and the mount pad.

Optionally, the mounting seat is detachably connected with the casing, a mounting plate is arranged at the upper end of the mounting seat, a locking bolt is inserted into the surface of the mounting plate along the thickness direction of the mounting plate, and the locking bolt is in threaded connection with the casing.

Through adopting above-mentioned technical scheme, connect the mounting panel in casing department through the locking bolt to can dismantle the dirt subassembly from the casing, so that follow-up deposit and the accomodating to the abrasive machine of the dirt subassembly of blowing.

Optionally, a yielding groove is formed in the surface, close to the mounting plate, of one side of the casing, and the inner side wall of the yielding groove is matched with the side wall of the mounting plate.

Through adopting above-mentioned technical scheme, offer of groove of stepping down can be so that when the installation blows the dirt subassembly, insert the mounting panel and establish to groove department of stepping down to fix a position the mounting panel fast with the groove of stepping down, so that to the installation of locking bolt, thereby be convenient for to blowing the holistic installation of dirt subassembly.

Optionally, the lower surface of the mounting seat is provided with a plurality of heat dissipation holes along the thickness direction.

Through adopting above-mentioned technical scheme, seting up of louvre when the fan of blowing rotates and produces big heat, can be so that the heat carries out the heat exchange through louvre and external gas fast to reduce the heat and remain in the mount pad, make the phenomenon of fan damage of blowing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a dust blowing assembly is arranged outside the shell, and under the action of a blowing fan, the dust blowing assembly blows dust generated by the grinding wheel to one end far away from the holding handle, so that the phenomenon that an operator sucks the dust through the mouth and the nose is effectively reduced;

2. the setting of filtering component has promoted the use durability of fan of blowing.

Drawings

Fig. 1 is a schematic view of a hand-held grinder with high safety according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of the connection relationship between the dust blowing assembly and the enclosure according to the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an exploded view of the embodiment of the present application, which mainly shows the positions of heat dissipation holes on the surface of the mounting seat.

Description of reference numerals:

1. a housing; 11. a grip handle; 12. a connecting rod; 13. grinding a grinding wheel; 14. a grinding wheel shield; 15. a yielding groove; 2. a dust blowing assembly; 21. a mounting seat; 211. mounting a plate; 212. locking the bolt; 213. an air outlet; 214. inserting grooves; 2141. an adsorbing member; 215. an air outlet; 216. heat dissipation holes; 217. connecting grooves; 22. a blower fan; 3. a filter assembly; 31. a filter screen; 32. a connecting frame; 321. a plugboard; 3211. a magnetic member; 322. a flexible fixation strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses handheld abrasive machine of security height. Referring to fig. 1, the high-safety handheld grinder comprises a casing 1, a holding handle 11 is fixedly connected to one end of the casing 1 through a screw, a connecting rod 12 is integrally formed at the other end of the casing 1, a grinding wheel 13 is connected to one end, far away from the holding handle 11, of the connecting rod 12 through a shaft pin, a semicircular grinding wheel shield 14 is arranged at the outer wall of the grinding wheel 13, and the grinding wheel shield 14 and the outer wall of the connecting rod 12 are fixed through screws.

Referring to fig. 2 and 3, a dust blowing assembly 2 is arranged at one end of the machine shell 1 close to the grinding wheel 13, the dust blowing assembly 2 comprises an installation seat 21 and a blowing fan 22, the dust blowing assembly 2 is located at the bottom wall of the machine shell 1, a abdicating groove 15 is formed in the bottom wall of the machine shell 1 along the length direction of the machine shell 1, an installation plate 211 is integrally formed at the top wall of the installation seat 21, and the projection area of the installation plate 211 is larger than that of the top wall of the installation seat 21; the lateral wall of mounting panel 211 and the inner wall laminating adaptation of groove 15 of stepping down, the surface of mounting panel 211 is followed its thickness direction and is run through to be inserted and be equipped with locking bolt 212, in this application embodiment, locking bolt 212 is provided with 4 altogether, and locking bolt 212 is located four apex angle departments of mounting panel 211, locking bolt 212 and casing 1 threaded connection to be convenient for dismantle mount pad 21, so that depositing and accomodating of handheld abrasive machine.

Referring to fig. 2 and 3, the mounting seat 21 is provided with the filter assembly 3 at the air outlet 213, the filter assembly 3 includes the filter screen 31 and the connection frame 32, the connection frame 32 is attached to the side wall of the end of the mounting seat 21 close to the grinding wheel 13, the inner wall of the connection frame 32 is fixed to the filter screen 31 by gluing, the arrangement of the filter assembly 3 reduces the large particle fragments generated when the grinder works and enter the mounting seat 21, and accordingly the blowing fan 22 is damaged.

Referring to fig. 2 and fig. 3, the connection frame 32 is detachably connected to the mounting seat 21, one side of the connection frame 32 close to the mounting seat 21 is integrally formed with two insertion plates 321, in this embodiment, the insertion plates 321 are rectangular plates inclined downward, the insertion plates 321 are provided with two parts, the two insertion plates 321 are located at two ends of the mounting frame in the length direction, the side wall of the mounting seat 21 is provided with insertion grooves 214 along the length direction of the insertion plates 321, the side wall of the insertion plates 321 is matched with the inner wall of the insertion grooves 214, after the connection frame 32 is attached to the mounting seat 21, the insertion plates 321 are inserted into the insertion grooves 214, and thus the connection frame 32 can be positioned.

Referring to fig. 2 and 3, a magnetic member 3211 is embedded in a side wall of the plug board 321, and an absorption member 2141 is embedded in an inner wall of the plug groove 214; in the embodiment of the present application, the magnetic member 3211 is a magnet, and the adsorbing member 2141 is an iron sheet; when the inserting plate 321 is inserted into the inserting groove 214, the magnetic member 3211 and the adsorbing member 2141 are attracted and attached to each other by a magnetic force, so that the connection stability between the connecting frame 32 and the mounting base 21 is improved.

Referring to fig. 1 and 4, an air outlet 213 is formed in a side wall of one side of the mounting seat 21, the air outlet 213 is located at a side of the mounting seat 21 close to the grinding wheel 13, and the air outlet 213 faces the grinding wheel 13; the air blowing fan 22 is arranged in the mounting seat 21, the air blowing fan 22 is fixedly connected with the bottom wall of the mounting seat 21 through a screw, and the air blowing fan 22 faces the air outlet 213; when the grinder works, the dust blowing component 2 is started, and the blowing fan 22 blows dust towards the grinding wheel 13, so that the phenomenon that the dust floats to one side of an operator is reduced, and the possibility of contact between the operator and the dust is effectively reduced.

Referring to fig. 3 and 4, a flexible fixing strip 322 is fixed on one surface of the connecting frame 32, which is attached to the mounting base 21, through glue, and the flexible fixing strip 322 is located at the upper end and the lower end of the connecting frame 32; the lateral wall department of dress seat 21 sets up and supplies flexible fixed strip 322 to insert the spread groove 215 of establishing, and after the carriage 32 and the laminating of mount pad 21, with the length direction of carriage 32 edge casing 1 to air outlet 213 department extrusion for flexible fixed strip 322 and spread groove 215 interference fit have effectively promoted the compactness of being connected between filter component 3 and the mount pad 21.

Referring to fig. 4, a plurality of heat dissipation holes 216 are formed in the lower wall of the mounting seat 21 along the thickness direction of the mounting seat, and after the blowing fan 22 rotates, heat is timely discharged along the heat dissipation holes 216, so that the phenomenon that the heat is difficult to timely discharge due to long working time of the blowing fan 22 is reduced, and the use durability of the blowing fan 22 is effectively improved.

The implementation principle of the handheld grinder with high safety in the embodiment of the application is as follows:

when operating personnel used handheld abrasive machine, start earlier and blow the fan 22 of blowing of dirt subassembly 2, fan 22 blows towards the emery wheel, afterwards, start the abrasive machine, the motor in the abrasive machine drives emery wheel 13 of polishing and rotates, afterwards, the work piece of polishing is treated to use the abrasive machine to process and polish, emery wheel 13 when polishing the work piece, because the friction can produce many dusts, the dust is when floating aloft, fan 22 of blowing rotates the wind-force that produces and makes the dust blow towards the one end of keeping away from grip handle 11, thereby it floats near operating personnel's mouth nose to have reduced the dust, operating personnel and dust contact have been reduced, thereby make operating personnel's health receive the phenomenon of damage.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high-safety handheld grinder comprises a shell (1), wherein a holding handle (11) is arranged at one end of the shell (1), a connecting rod (12) is arranged at one end, away from the holding handle (11), of the shell (1), a grinding wheel (13) is arranged at one end, away from the shell (1), of the connecting rod (12), and a grinding wheel shield (14) is arranged at the outer wall of the grinding wheel (13); the method is characterized in that: a dust blowing component (2) is arranged at one end, close to the grinding wheel (13), of the machine shell (1), the dust blowing component (2) comprises a mounting seat (21), an air outlet (213) is formed in the mounting seat (21), and the air outlet (213) faces to the side wall of the grinding wheel (13); the installation seat (21) is internally provided with a plurality of air blowing fans (22), and the air blowing fans (22) face the side wall of the grinding wheel (13).

2. A high safety hand-held grinder as claimed in claim 1, wherein: lateral wall department of mount pad (21) is provided with filtering component (3), filtering component (3) are including filter screen (31), filtering component (3) are located air outlet (213) department of mount pad (21) for reduce the piece and get into make in mount pad (21) phenomenon that fan (22) of blowing damaged.

3. A high safety hand-held grinder as claimed in claim 2, wherein: the filter assembly (3) further comprises a connecting frame (32), the side wall of the connecting frame (32) is attached to the side wall of one end, provided with the air outlet (213), of the mounting seat (21), a plug board (321) is arranged at the side wall of the connecting frame (32), a plug groove (214) for the plug board (321) to be inserted is formed in the side wall of the mounting seat (21), and the side wall of the plug board (321) is matched with the side wall of the plug groove (214) mutually.

4. A high safety hand-held grinder as set forth in claim 3, wherein: one side of the connecting frame (32) attached to the mounting seat (21) is provided with a flexible fixing strip (322), the side wall of the mounting seat (21) is provided with a connecting groove (215), the flexible fixing strip (322) can be inserted into the connecting groove (215), and the flexible fixing strip (322) is in interference fit with the connecting groove (215).

5. A high safety hand-held grinder as set forth in claim 3, wherein: the side wall of the plug board (321) is provided with a magnetic part (3211), and the inner wall of the plug groove (214) is provided with an adsorption part (2141) which is magnetically attracted with the magnetic part (3211).

6. A high safety hand-held grinder as claimed in claim 1, wherein: mount pad (21) can be dismantled with casing (1) and be connected, the upper end of mount pad (21) is provided with mounting panel (211), the thickness direction of mounting panel (211) is followed to the surface of mounting panel (211) is inserted and is equipped with locking bolt (212), locking bolt (212) and casing (1) threaded connection.

7. A high safety hand-held grinder as claimed in claim 6, wherein: the side surface that casing (1) is close to mounting panel (211) has seted up the groove of stepping down (15), the inside wall in the groove of stepping down (15) and the lateral wall adaptation of mounting panel (211).

8. A high safety hand-held grinder as claimed in claim 1, wherein: the lower surface of the mounting seat (21) is provided with a plurality of heat dissipation holes (216) along the thickness direction.