CN210499664U

CN210499664U - Safe efficient angle mill

Info

Publication number: CN210499664U
Application number: CN201920946069.1U
Authority: CN
Inventors: 王亮
Original assignee: Ningbo Liangye Electric Appliances Co ltd
Current assignee: Ningbo Liangye Electric Appliances Co ltd
Priority date: 2019-06-23
Filing date: 2019-06-23
Publication date: 2020-05-12
Anticipated expiration: 2029-06-23

Abstract

The utility model discloses a safe efficient angle mill, its structure includes the shell, the power wire, control switch, fixed frame, the grab handle, the protection casing, the polishing piece, the fixed block, including a motor, an end cap, a controller, and a cover plate, the stationary blade, the locking axle sleeve, starting mechanism and anti-disengaging mechanism, this safe efficient angle mill, through set up starting mechanism on the shell upper end, hold the shell with the hand, then down end pressure clamp plate, make the briquetting press control switch, thereby the starter motor carries out work, when the angle mill drops, because the clamp plate upper end loses pressure, first torsion spring is through the elastic potential energy who resumes deformation, push up the clamp plate, make the briquetting remove the pressure of control switch and move, thereby cut off the power supply to the motor, make motor stop work, reached and to have made the angle mill stop operation when taking off hand, increase the advantage of safety in utilization.

Description

Safe efficient angle mill

Technical Field

The utility model relates to an angle mill technical field, concretely relates to safe efficient angle mill.

Background

The angle grinder is a grinding tool with wide application, the current angle grinder is divided into an electric angle grinder and a pneumatic angle grinder, wherein the electric angle grinder is divided into a large device and a small device, the small angle grinder is widely applied to the fields of marble plate modeling processing, indoor decoration and the like, but in the using process of the angle grinder, the angle grinder can not be firmly held due to the fact that the grinding angle is not good and difficult to exert force, accidental hand release is caused, meanwhile, the angle grinder after hand release can still be in a high-speed running state, injuries which are difficult to compensate for on the human body and the spirit are easily caused, and huge economic losses are caused.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, a safe and efficient angle grinder is provided, and the problems that in the use process of the angle grinder, the angle grinder cannot be firmly held due to the fact that the grinding angle is not good and hard to exert force, accidental hand release is caused, meanwhile, the angle grinder after hand release still can be in a high-speed running state, harm which is difficult to compensate for on the human body and spirit is easily caused, and huge economic loss is caused are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a safe and efficient angle grinder, which comprises a shell, a power supply lead, a control switch, a fixed frame, a grab handle, a protective cover, a grinding sheet, a fixed block, a motor, a fixed sheet, a locking shaft sleeve, a starting mechanism and an anti-falling mechanism, wherein the right end of the shell is provided with the power supply lead, the right end of the top of the shell is provided with the starting mechanism, the protective cover is spirally connected with the right end of the top of the fixed frame through a screw, the cavity in the middle of the fixed block is provided with the anti-falling mechanism, the starting mechanism comprises a pressing plate, a rotating shaft, a chute, a pressing block, a roller, a swinging rod, an installation frame, a first rotating rod, a first torsion spring, a second rotating rod, a limiting rod and a second torsion spring, the pressing plate is movably connected with the right end of the top of the shell, swing arm one end is through pivot and gyro wheel middle part swing joint to the swing arm other end time delay to the installing frame inside and through first bull stick and the inside right side lower extreme swing joint of installing frame, first bull stick is through first torque spring and the inside right-hand member elastic connection of installing frame, the gag lever post passes through second bull stick and the inside left end swing joint of installing frame to the second bull stick passes through second torque spring and the inside left end elastic connection of installing frame.

Further, the vertical grab handle that is provided with of fixed frame front end, the fixed block bonds in the lower extreme on the shell right side, the motor passes through stationary blade and fixed frame inside cavity upper end bolted connection to motor and stationary blade right-hand member fixed connection, motor output and locking axle sleeve middle part fixed connection to the locking axle sleeve nests in the piece middle part of polishing, the motor is connected with the control switch electricity, control switch is connected with the power wire electricity.

Further, anti-disengaging mechanism includes that first bandage, fixed knot, elasticity collude thorn layer, first drive shaft, second drive shaft and second bandage, first bandage passes through first drive shaft and is connected with the inside rotation of fixed block left end, fixed knot and the interior swing joint of first bandage left end cavity, first bandage and elasticity collude thorn layer top and sew up mutually, second bandage passes through the inside rotation of second drive shaft and fixed block right-hand member and is connected.

Furthermore, the top of the pressing plate is provided with strip-shaped anti-skid grains which are uniformly distributed along the outer surface of the pressing plate.

Furthermore, a clamping groove is formed in the lower side of the left end of the oscillating rod.

Furthermore, the limiting rod is buckled with a clamping groove at the left end of the swinging rod.

Further, the pressure plate is inclined by 40 degrees.

Further, a flexible fiber layer is arranged at the bottom of the second binding band.

Furthermore, the first torsion spring and the second torsion spring are made of spring steel, and the elastic potential energy is excellent.

Furthermore, the rotating shaft is made of 45 # steel, so that the rotating shaft is high in hardness and strong in corrosion resistance.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) for solving the angle mill in the in-process that uses, probably because the angle of polishing is difficult to hard up well, cause the angle mill can't be grabbed firmly, lead to the problem of unexpected hired joint, through set up anti-disengaging mechanism at the shell lower extreme, pass the second bandage fixed knot, then with the reverse pulling of second bandage, adjust to suitable width after, make the flexible fiber layer behind the second bandage glue each other with the elasticity collude thorn layer of first bandage upper end and glue together, can stretch into first bandage and second bandage inside with the hand afterwards, thereby fix the hand, make the angle mill can be better by the steady advantage of grabbing.

2) For solving the angle mill after taking off the hand still can be in a high-speed moving state, lead to causing the injury that is difficult to remedy in the aspect of easily to human body and spirit, and huge economic loss's problem, through set up actuating mechanism on the shell upper end, hold the shell with the hand, then down the end pressure clamp plate, make the briquetting press control switch, thereby the starter motor carries out work, when the angle mill drops, because the clamp plate upper end loses pressure, first torsion spring is through the elastic potential energy who resumes deformation, push up the clamp plate, make the briquetting remove the pressure of control switch, thereby cut off the power supply to the motor, make motor stop work, reached and to have made the angle mill stop operation when taking off the hand, increase the advantage of safety in utilization.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the angle grinder of the present invention;

fig. 3 is a schematic side view of the motor of the present invention;

fig. 4 is a schematic view of a front view structure of the motor of the present invention;

FIG. 5 is a schematic cross-sectional view of the starting mechanism of the present invention;

fig. 6 is a schematic side view of the anti-disengagement mechanism of the present invention.

In the figure: a shell-1, a power wire-2, a starting mechanism-3, a control switch-4, a fixed frame-5, a grab handle-6, a protective cover-7, a polishing piece-8, a fixed block-9, an anti-dropping mechanism-10, a motor-11, a fixed piece-12, a locking shaft sleeve-13, a pressure plate-31, a rotating shaft-32, a chute-33, a pressure block-34, a roller-35, a swinging rod-36, a mounting frame-37, a first rotating rod-38, a first torsion spring-39, a second rotating rod-310, a limiting rod-311, a second torsion spring-312, a first binding belt-101, a fixed buckle-102, an elastic burling layer-103, a first driving shaft-104, a second driving shaft-105, a second binding belt-106, a first fixing belt-34, a second fixing belt-, Flexible fabric layer-1061.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4, 5 and 6, the present invention provides a safe and efficient angle grinder: the anti-falling device comprises a shell 1, a power supply lead 2, a control switch 4, a fixed frame 5, a grab handle 6, a protective cover 7, a polishing disc 8, a fixed block 9, a motor 11, a fixed plate 12, a locking shaft sleeve 13, a starting mechanism 3 and an anti-falling mechanism 10, wherein the power supply lead 2 is arranged at the right end of the shell 1, the starting mechanism 3 is arranged at the right end of the top of the shell 1, the protective cover 7 is spirally connected to the right end of the top of the fixed frame 5 through screws, the anti-falling mechanism 10 is arranged in a cavity in the middle of the fixed block 9, the starting mechanism 3 comprises a pressing plate 31, a rotating shaft 32, a sliding groove 33, a pressing block 34, a roller 35, a swinging rod 36, an installation frame 37, a first rotating rod 38, a first torsion spring 39, a second rotating rod 310, a limiting rod 311 and a second torsion spring 312, the, the gyro wheel 35 slides along spout 33, swing arm 36 one end is through pivot and gyro wheel 35 middle part swing joint to the swing arm 36 other end time delay to inside and through first bull stick 38 and the inside right lower extreme swing joint of installing frame 37, first bull stick 38 is through first torsion spring 39 and the inside right-hand member elastic connection of installing frame 37, gag lever post 311 is through the inside left end swing joint of second bull stick 310 and installing frame 37, and second bull stick 310 is through the inside left end elastic connection of second torsion spring 312 and installing frame 37.

Wherein, the vertical grab handle 6 that is provided with of 5 front ends of fixed frame, fixed block 9 bonds in 1 right lower extreme of shell, motor 11 passes through

stationary blade

12 and 5 inside cavity upper end bolted connection of fixed frame to

motor

11 and 12 right-hand members fixed connection of stationary blade, motor 11 output and 13 middle part fixed connection of locking axle sleeve to locking axle sleeve 13 nests in 8 middle parts of the polishing piece, motor 11 is connected with control switch 4 electricity, control switch 4 is connected with 2 electricity of power wire.

The anti-falling mechanism 10 comprises a first bandage 101, a fixing buckle 102, an elastic barbed layer 103, a first driving shaft 104, a second driving shaft 105 and a second bandage 106, wherein the first bandage 101 is rotatably connected with the inside of the left end of the fixing block 9 through the first driving shaft 104, the fixing buckle 102 is movably connected with the inside of a cavity of the left end of the first bandage 101, the top of the first bandage 101 is sewn with the top of the elastic barbed layer 103, and the second bandage 106 is rotatably connected with the inside of the right end of the fixing block 9 through the second driving shaft 105.

Wherein, the clamp plate 31 top is provided with bar antiskid line to antiskid line is along clamp plate 31 surface evenly distributed, does benefit to and plays the effect of carrying on antiskid.

A clamping groove is formed in the lower side of the left end of the swing rod 36, and therefore the swing rod 36 is limited.

The limiting rod 311 is fastened to the clamping groove at the left end of the swing rod 36, so that the swing rod 36 is limited.

The pressure plate 31 is inclined by 40 degrees, of course, the inclination angle of the pressure plate 31 can be larger, and the specific inclination angle is designed according to the actual use condition.

The bottom of the second strap 106 is provided with a flexible fiber layer 1061, which is beneficial to adhering with the elastic hook layer 103.

The first torsion spring 39 and the second torsion spring 312 are made of spring steel, and have excellent elastic potential energy.

The rotating shaft 32 is made of 45 # steel, and is high in hardness and strong in corrosion resistance.

The first torsion spring 39 and the second torsion spring 312 described in this patent are a mechanical force storage structure, and are mainly used for ancient crossbow guns and other crossbows, and the torsion springs store force by twisting or rotating elastic materials with soft materials and high toughness, so that the launched object has certain mechanical energy; the rotation axis 32 is due to the fact that when the object rotates, each point of the object makes a circular motion, and the centers of the circles are on the same straight line.

The working principle is as follows: when in use, in the first step, an external power supply is connected through a power supply lead 2 to provide power for the angle grinder; secondly, the second binding belt 106 passes through the fixing buckle 102, then the second binding belt 106 is pulled reversely, after the width is adjusted to a proper width, the flexible fiber layer 1061 behind the second binding belt 106 and the elastic hook layer 103 at the upper end of the first binding belt 101 are adhered together, then a hand can be inserted into the first binding belt 101 and the second binding belt 106, so as to fix the hand, so that the angle grinder can be well gripped, the swing rod 36 is pushed forward, the limiting rod 311 is separated from the limiting of the swing rod 36, the limiting rod 311 is tightly attached to the mounting frame 37 under the action of the second torsion spring 312, so as not to influence the movement of the swing rod 36, then the swing rod 31 is pressed downwards by the lower end, so that the roller 35 at the upper end of the swing rod 36 slides on the inner side of the chute 33, the swing rod 36 is guided, and the swing rod 36 drives the first torsion spring 39 to deform through the first rotation rod 38, then, the pressing block 34 presses the control switch 4, so that the motor 11 is started to work, the motor 11 is electrified to work, the rotor arranged at the front end drives the locking shaft sleeve 13 to rotate, and the locking shaft sleeve 13 drives the polishing disc 8 to rotate, so that polishing is carried out; when the angle grinder falls off, because the upper end of the pressure plate 31 loses pressure, the first torsion spring 39 pushes the pressure plate 31 upwards by restoring the deformed elastic potential energy, so that the pressure plate 31 is restored to the original position, the pressure block 34 releases the pressure action on the control switch 4, the power of the motor 11 is cut off, and the motor 11 stops working.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A safe and efficient angle grinder comprises a shell (1), a power supply lead (2), a control switch (4), a fixing frame (5), a grab handle (6), a protective cover (7), a grinding disc (8), a fixing block (9), a motor (11), a fixing plate (12) and a locking shaft sleeve (13), wherein the power supply lead (2) is arranged at the right end of the shell (1), a starting mechanism (3) is installed at the right end of the top of the shell (1), the protective cover (7) is spirally connected to the right end of the top of the fixing frame (5) through a screw, and an anti-falling mechanism (10) is arranged in a cavity in the middle of the fixing block;

the method is characterized in that: the anti-falling device is characterized by further comprising a starting mechanism (3) and an anti-falling mechanism (10), wherein the starting mechanism (3) comprises a pressing plate (31), a rotating shaft (32), a sliding groove (33), a pressing block (34), a roller (35), a swinging rod (36), an installation frame (37), a first rotating rod (38), a first torsion spring (39), a second rotating rod (310), a limiting rod (311) and a second torsion spring (312), the pressing plate (31) is movably connected with the right end of the top of the shell (1) through the rotating shaft (32), the pressing plate (31) is bonded with the upper end of the pressing block (34), the sliding groove (33) is formed in a cavity at the left lower end of the pressing plate (31), the roller (35) slides along the sliding groove (33), one end of the swinging rod (36) is movably connected with the middle of the roller (35) through the rotating shaft, the other end of the swinging rod (36) is delayed to the inside of the installation frame (37) and is movably connected with the right, the first rotating rod (38) is elastically connected with the inner right end of the installation frame (37) through a first torsion spring (39), the limiting rod (311) is movably connected with the inner left end of the installation frame (37) through a second rotating rod (310), and the second rotating rod (310) is elastically connected with the inner left end of the installation frame (37) through a second torsion spring (312).

2. A safe and efficient angle grinder as claimed in claim 1, wherein: fixed frame (5) front end is vertical to be provided with grab handle (6), fixed block (9) bond in shell (1) right side lower extreme, motor (11) are through stationary blade (12) and fixed frame (5) inside cavity upper end bolted connection to motor (11) and stationary blade (12) right-hand member fixed connection, motor (11) output and locking axle sleeve (13) middle part fixed connection to locking axle sleeve (13) nestification is in polishing piece (8) middle part, motor (11) are connected with control switch (4) electricity, control switch (4) are connected with power wire (2) electricity.

3. A safe and efficient angle grinder as claimed in claim 1, wherein: anti-disengaging mechanism (10) include first bandage (101), fixed knot (102), elasticity collude thorn layer (103), first drive shaft (104), second drive shaft (105) and second bandage (106), first bandage (101) are connected through first drive shaft (104) and fixed block (9) left end internal rotation, fixed knot (102) and first bandage (101) left end cavity internal swing joint, first bandage (101) are sewed up with elasticity colludes thorn layer (103) top mutually, second bandage (106) are connected through second drive shaft (105) and fixed block (9) right-hand member internal rotation.

4. A safe and efficient angle grinder as claimed in claim 1, wherein: the top of the pressing plate (31) is provided with strip-shaped anti-slip lines which are uniformly distributed along the outer surface of the pressing plate (31).

5. A safe and efficient angle grinder as claimed in claim 1, wherein: a clamping groove is formed in the lower side of the left end of the swinging rod (36).

6. A safe and efficient angle grinder as claimed in claim 1, wherein: the limiting rod (311) is buckled with the clamping groove at the left end of the swinging rod (36).

7. A safe and efficient angle grinder as claimed in claim 1, wherein: the pressure plate (31) is inclined by 40 degrees.

8. A safe and efficient angle grinder as claimed in claim 3, wherein: the bottom of the second binding band (106) is provided with a flexible fiber layer (1061).