阅读说明：本技术 一种电动金属剪钳 (Electric metal cutting nippers ) 是由 蓝月 王子玉 李颜真 于 2020-12-29 设计创作，主要内容包括：本发明公开一种电动金属剪钳,其包括外壳、安装于外壳上端的支架、安装于支架上端的第一、第二刀片以及用于驱动第一、第二刀片张开或闭合的电动驱动装置、用于驱动电动驱动装置工作的扳机,第一刀片内侧末端设有多个第一钳齿,且第二刀片内侧末端设有多个用于与第一钳齿配合夹紧外物的第二钳齿；第二刀片中部设有用于配合第一刀片剪切金属的第二刀刃。本发明采用电动驱动装置驱动第一、第二刀片张开或闭合以剪切金属,其无需人工用力,操作起来极为方便,且省力,使用起来极为方便,且第一、第二刀片内侧末端分别设有多个用于配合夹紧外物的第一钳齿和第二钳齿,其起到电动钳子的功能,以满足不同的使用要求。(The invention discloses electric metal cutting nippers, which comprise a shell, a bracket, a first blade, a second blade, an electric driving device and a trigger, wherein the bracket is arranged at the upper end of the shell, the first blade and the second blade are arranged at the upper end of the bracket, the electric driving device is used for driving the first blade and the second blade to open or close, the trigger is used for driving the electric driving device to work, a plurality of first nipper teeth are arranged at the tail end of the inner side of the first blade, and a plurality of second nipper teeth which are used for being matched with the first nipper teeth to clamp foreign objects are; the middle part of the second blade is provided with a second blade edge used for being matched with the first blade to shear metal. The electric driving device is adopted to drive the first blade and the second blade to open or close so as to shear metal, manual force is not needed, the operation is very convenient, labor is saved, and the use is very convenient.)

1. The utility model provides an electronic metal cutting nippers which characterized in that: the cutting tool comprises a shell (1), a support (2) arranged at the upper end of the shell (1), a first blade (3) and a second blade (4) which are arranged at the upper end of the support (2) and can be mutually opened or closed, an electric driving device for driving the first blade (3) and the second blade (4) to be opened or closed, and a trigger (5) for driving the electric driving device to work, wherein a plurality of first clamp teeth (31) are arranged at the tail end of the inner side of the first blade (3), and a plurality of second clamp teeth (41) which are matched with the first clamp teeth (31) to clamp foreign objects are arranged at the tail end of the inner side of the second blade (4); and a second cutting edge (42) used for being matched with the first blade (3) to cut metal is arranged in the middle of the second blade (4).

2. An electrically powered metal shearing pliers as defined in claim 1 further comprising: the middle part of the first blade (3) is provided with a separation-preventing groove (33) for accommodating the rod-shaped metal and preventing the rod-shaped metal from separating; the middle part of the second blade (4) is provided with an anti-falling groove (40), the bottom of the anti-falling groove (40) is provided with a second cutting edge (42), and the cross section of the second cutting edge (42) is V-shaped.

3. An electric metal shearing pliers as defined in claim 2 wherein: the first blade (3) comprises a main blade (301) fixed at the upper end of the support (2) and an auxiliary blade (302) fixed on the side surface of the main blade (301), the main blade (301) and the auxiliary blade (302) are respectively provided with the first clamp teeth (31), the first clamp teeth (31) on the main blade (301), the first clamp teeth (31) on the auxiliary blade (302) and the second clamp teeth (41) on the second blade (4) are distributed in a triangular shape, and a cutter accommodating groove (30) for the second blade (4) to be embedded is formed between the main blade (301) and the auxiliary blade (302).

4. An electric metal shearing pliers as defined in claim 3 wherein: a convex seat (303) is formed on the surface of the auxiliary blade (302) butted with the main blade (301), and the knife containing groove (30) is formed among the convex seat (303), the inner side surface of the auxiliary blade (302) and the inner side surface of the main blade (301); the boss (303) is provided with at least two first positioning holes (304) and at least one threaded hole (305); the main blade (301) is provided with a second positioning hole (306) corresponding to the first positioning hole (304) and a through hole (307) corresponding to the threaded hole (305), a screw (308) penetrates through the through hole (307) of the main blade (301) and is spirally fixed in the threaded hole (305), and a positioning column (309) is clamped and fixed in the first positioning hole (304) and the second positioning hole (306), so that the auxiliary blade (302) and the main blade (301) are fixed together; the auxiliary blade (302) and the main blade (301) are both provided with the anti-falling groove (33).

5. An electric metal shears according to any one of claims 1-4 wherein: the second blade (4) is rotatably mounted on the bracket (2); the electric driving device comprises a swing tooth (6) which is arranged at the upper end of the bracket (2) and used for driving the second blade (4) to rotate, an anti-jumping tooth driving mechanism (7) used for driving the swing tooth (6) to swing, a motor component (8) driving the anti-jumping tooth driving mechanism (7) to work and a battery (9) used for supplying power.

6. An electrically powered metal shears according to claim 5 wherein: the utility model discloses a support, including support (2), pivot (21), first blade (3), second blade (4) and pendulum tooth (6), support (2) are improved level and are worn to be equipped with round pin axle (21), and this round pin axle (21) tip spiral is fixed with nut (22), first blade (3), second blade (4) and pendulum tooth (6) are provided with the first perforation, second perforation and the third perforation that supply round pin axle (21) to pass respectively, and pendulum tooth (6) upper end is fixed with the linkage through first pin (61) with second blade (4), and first blade (3) lower extreme passes through second pin and support (2) fixed connection.

7. An electrically powered metal shears according to claim 5 wherein: the anti-jumping tooth driving mechanism (7) comprises a driving shaft (72) arranged on the bracket (2) through a bearing (71), a big fluted disc (73) arranged at the end part of the driving shaft (72) and a locknut (74) screwed on the driving shaft (72) and used for limiting the big fluted disc (73) on the driving shaft (72), wherein the big fluted disc (3) is meshed with a bevel gear (81) on the motor assembly (8); the end part of the driving shaft (72) is provided with a regular thread section (721) and a reverse thread section (722) positioned at the end part of the regular thread section (721), and the diameter of the reverse thread section (722) is smaller than that of the regular thread section (721); a positive threaded hole (731) matched with the positive threaded section (721) is formed in the center of the big fluted disc (73), the locknut (74) is provided with a reverse threaded hole (740) matched with the reverse threaded section (722), the big fluted disc (73) is spirally fixed with the positive threaded section (721) through the positive threaded hole (731), and the locknut (74) is spirally fixed with the reverse threaded section (722) through the reverse threaded hole (740), so that the big fluted disc (73) is fixedly connected with the driving shaft (72); the other end of the driving shaft (72) opposite to the formed regular thread section (721) is integrally formed with a driving gear (723), and the driving gear (723) is meshed with the swing tooth (6).

8. An electrically powered metal shearing pliers as defined in claim 7 wherein: a gasket (741) is integrally connected to the inner side of the anti-loosening nut (74), and the gasket (741) is in contact with the outer side face of the big fluted disc (73).

9. An electrically powered metal shearing pliers as defined in claim 8 wherein: a plurality of anti-skid convex teeth are formed on the inner side surface of the gasket (741), and the anti-skid convex teeth are in contact with the outer side surface of the large fluted disc (73); the outer side surface of the big fluted disc (73) is provided with a convex ring part (731), and the anti-skidding convex teeth are abutted against the convex ring part (731).

10. An electrically powered metal shears according to claim 5 wherein: the motor component (8) comprises a cylinder body (82), a reduction gear set arranged in the cylinder body (82), a bevel gear (81) arranged at the upper end of the reduction gear set and linked with the reduction gear set, and an outer rotor motor (84) arranged at the lower end of the reduction gear set and used for driving the reduction gear set to work, wherein blades (801) distributed according to the circumference are arranged on the periphery of the end part of a shell (841) in the outer rotor motor (84), an air guide groove (802) is formed between the blades (801), the air guide groove (802) penetrates through the end part of the shell (841), after the outer rotor motor (84) works, the shell (841) rotates, and the blades (801) generate air flow in the rotation process to dissipate heat.

The technical field is as follows:

the invention relates to the technical field of metal cutting nipper products, in particular to an electric metal cutting nipper.

Background art:

the metal shears are a mechanical tool, which is a tool for rapidly cutting off metal materials such as steel bars, steel wire ropes, cables and the like, and are widely applied to various industries.

However, the existing metal shears are manual, large effort is needed when the metal shears shear metal materials, the labor intensity is high, the metal with large diameter cannot be sheared, and the existing metal shears only have a shearing function and a single function, and cannot meet the use requirements of consumers.

In view of the above, the present inventors propose the following.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provides electric metal cutting nippers.

In order to solve the technical problems, the invention adopts the following technical scheme: the electric metal cutting nippers comprise a shell, a bracket, a first blade, a second blade, an electric driving device and a trigger, wherein the bracket is arranged at the upper end of the shell, the first blade and the second blade are arranged at the upper end of the bracket and can be mutually opened or closed, the electric driving device is used for driving the first blade and the second blade to be opened or closed, and the trigger is used for driving the electric driving device to work; and a second blade edge used for shearing metal in cooperation with the first blade is arranged in the middle of the second blade.

Further, in the above technical solution, the middle of the first blade is provided with a separation-preventing groove for accommodating the rod-shaped metal and preventing the rod-shaped metal from separating; the middle part of the second blade is provided with an anti-falling groove, the bottom of the anti-falling groove is provided with the second cutting edge, and the cross section of the second cutting edge is V-shaped.

Further, in the above technical solution, the first blade includes a main blade fixed to the upper end of the bracket and an auxiliary blade fixed to a side surface of the main blade, the main blade and the auxiliary blade are formed with the first pincer teeth, the first pincer teeth on the main blade, the first pincer teeth on the auxiliary blade, and the second pincer teeth on the second blade are distributed in a delta shape, and a knife receiving slot for the second blade to be inserted is formed between the main blade and the auxiliary blade.

Further, in the above technical solution, a convex seat is formed on a surface where the auxiliary blade and the main blade are butted, and the knife containing groove is formed between the convex seat and an inner side surface of the auxiliary blade and an inner side surface of the main blade; the convex seat is provided with at least two first positioning holes and at least one threaded hole; the main blade is provided with a second positioning hole corresponding to the first positioning hole and a through hole corresponding to the threaded hole, a screw penetrates through the through hole of the main blade and is spirally fixed in the threaded hole, and the positioning column is fixedly clamped in the first positioning hole and the second positioning hole, so that the auxiliary blade and the main blade are fixed together; the auxiliary blade and the main blade are both provided with the anti-falling grooves.

Further, in the above technical solution, the second blade is rotatably mounted on the bracket; the electric driving device comprises a swing tooth which is arranged at the upper end of the bracket and used for driving the second blade to rotate, an anti-jumping tooth driving mechanism used for driving the swing tooth to swing, a motor component used for driving the anti-jumping tooth driving mechanism to work and a battery used for supplying power.

Furthermore, in the above technical scheme, a pin shaft horizontally penetrates through the support, a nut is spirally fixed at the end of the pin shaft, the first blade, the second blade and the swing tooth are respectively provided with a first through hole, a second through hole and a third through hole for the pin shaft to pass through, the upper end of the swing tooth and the second blade are fixed through the first pin for linkage, and the lower end of the first blade is fixedly connected with the support through the second pin.

Furthermore, in the above technical solution, the anti-jumping tooth driving mechanism includes a driving shaft mounted on the bracket through a bearing, a large toothed disc mounted on an end portion of the driving shaft, and a locknut screwed on the driving shaft and used for limiting the large toothed disc on the driving shaft, wherein the large toothed disc is engaged with a bevel gear on the motor assembly; the end part of the driving shaft is provided with a regular thread section and a reverse thread section positioned at the end part of the regular thread section, and the diameter of the reverse thread section is smaller than that of the regular thread section; the center of the large toothed disc is provided with a positive threaded hole matched with the positive threaded section, the locknut is provided with a negative threaded hole matched with the negative threaded section, the large toothed disc is spirally fixed with the positive threaded section through the positive threaded hole, and the locknut is spirally fixed with the negative threaded section through the negative threaded hole, so that the large toothed disc is fixedly connected with the driving shaft; the other end of the driving shaft, which is relatively formed with the regular thread section, is integrally formed with a driving gear, and the driving gear is meshed with the swing teeth.

Further, in the above technical scheme, the inner side of the locknut is integrally connected with a gasket, and the gasket is in contact with the outer side face of the large fluted disc.

Furthermore, in the above technical solution, a plurality of anti-slip convex teeth are formed on the inner side surface of the gasket, and the anti-slip convex teeth are in contact with the outer side surface of the large fluted disc; the big fluted disc lateral surface shaping has the bulge loop portion, anti-skidding dogtooth is contradicted with the bulge loop portion.

Furthermore, in the above technical solution, the motor assembly includes a cylinder, a reduction gear set installed in the cylinder, a bevel gear installed at an upper end of the reduction gear set and linked with the reduction gear set, and an outer rotor motor installed at a lower end of the reduction gear set and used for driving the reduction gear set to operate, wherein blades distributed circumferentially are disposed on a periphery of an end portion of a casing in the outer rotor motor, air guide grooves are formed between the blades, the air guide grooves penetrate through the end portion of the casing, after the outer rotor motor operates, the casing rotates, and the blades generate air flow in a rotating process to dissipate heat.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: the electric driving device is adopted to drive the first blade and the second blade to open or close so as to shear metal, manual force is not needed, the operation is very convenient, labor is saved, and the use is very convenient.

Description of the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a partial internal block diagram of the present invention;

FIG. 3 is an internal block diagram of another perspective of the present invention;

FIG. 4 is a perspective view of the anti-skip tooth drive mechanism of the present invention;

FIG. 5 is an exploded perspective view of the anti-skip tooth drive mechanism of the present invention;

FIG. 6 is an exploded perspective view of a first blade of the present invention;

FIG. 7 is a perspective view of a second blade of the present invention;

fig. 8 is a perspective view of an outer rotor motor in the present invention;

fig. 9 is a perspective view of the outer rotor motor of the present invention.

The specific implementation mode is as follows:

the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.

As shown in fig. 1-9, the electric metal cutting nippers are characterized in that: the cutting device comprises a shell 1, a bracket 2 arranged at the upper end of the shell 1, a first blade 3 and a second blade 4 which are arranged at the upper end of the bracket 2 and can be mutually opened or closed, an electric driving device for driving the first blade 3 and the second blade 4 to be opened or closed, and a trigger 5 for driving the electric driving device to work, wherein a plurality of first clamp teeth 31 are arranged at the tail end of the inner side of the first blade 3, and a plurality of second clamp teeth 41 which are matched with the first clamp teeth 31 and used for clamping foreign matters are arranged at the tail end of the inner side of the second blade 4; the second blade 4 is provided with a first blade edge 32 and a second blade edge 42 in the middle for shearing metal in cooperation with the first blade 3. The electric driving device is adopted to drive the first blade 3 and the second blade 4 to open or close so as to shear metal, manual force is not needed, the operation is very convenient, labor is saved, and the use is very convenient, and the tail end of the inner side of the first blade 3 and the tail end of the inner side of the second blade 4 are respectively provided with the first clamp tooth 31 and the second clamp tooth 41 which are used for being matched with and clamping foreign objects, so that the electric pliers have the functions of electric pliers so as to meet different use requirements, and the electric cutting machine has strong market competitiveness.

The middle part of the first blade 3 is provided with a separation-preventing groove 33 for containing bar-shaped metal and preventing the bar-shaped metal from separating; the middle part of the second blade 4 is provided with an anti-separation groove 40, the bottom of the anti-separation groove 40 is provided with the second cutting edge 42, and the cross section of the second cutting edge 42 is in a V shape. When the first blade 32 and the second blade 72 in this shape cut the bar-shaped metal, the anti-separation groove 33 in the middle of the first blade 3 and the anti-separation groove 40 in the middle of the second blade 4 wrap the bar-shaped metal, so that the bar-shaped metal can be effectively prevented from separating, the bar-shaped metal can be better cut, the bar-shaped metal can be cut, and the use is very convenient.

The first blade 3 comprises a main blade 301 fixed at the upper end of the bracket 2 and an auxiliary blade 302 fixed at the side of the main blade 301, the main blade 301 and the auxiliary blade 302 are both formed with the first pincer teeth 31, the first pincer teeth 31 on the main blade 301, the first pincer teeth 31 on the auxiliary blade 302 and the second pincer teeth 41 on the second blade 4 are distributed in a delta shape, so as to better hold a product and to better realize the function of the electric pliers, and a knife accommodating groove 30 for the second blade 4 to be inserted is formed between the main blade 301 and the auxiliary blade 302, so that when the first blade 3 and the second blade 4 are mutually closed to cut a bar-shaped metal, the second blade 4 is inserted into the knife accommodating groove 30, the knife accommodating groove 30 plays a guiding role and can prevent the second blade 4 from deviating relative to the first blade 3, so as to wrap the first blade 3 and the second blade 4 and be stably closed, the shearing force is more stable, and the bar-shaped metal can be better sheared.

A convex seat 303 is formed on the surface of the auxiliary blade 302, which is butted with the main blade 301, and the knife containing groove 30 is formed between the convex seat 303 and the inner side surface of the auxiliary blade 302 as well as the inner side surface of the main blade 301; the boss 303 is provided with at least two first positioning holes 304 and at least one threaded hole 305; the main blade 301 is provided with a second positioning hole 306 corresponding to the first positioning hole 304 and a through hole 307 corresponding to the threaded hole 305, a screw 308 is screwed into the threaded hole 305 through the through hole 307 of the main blade 301, and a positioning post 309 is inserted into and fixed in the first positioning hole 304 and the second positioning hole 306, so that the secondary blade 302 and the main blade 301 are fixed together, and the structure is very stable. The auxiliary blade 302 and the main blade 301 are both provided with the anti-falling groove 33.

The first blade 3 is fixed on the bracket 2, and the second blade 4 is rotatably arranged on the bracket 2; the electric driving device comprises a swing tooth 6 which is arranged at the upper end of the bracket 2 and is used for driving the second blade 4 to rotate, an anti-jumping tooth driving mechanism 7 which is used for driving the swing tooth 6 to swing, a motor component 8 which drives the anti-jumping tooth driving mechanism 7 to work, and a battery 9 which is used for supplying power.

The motor assembly 8 includes a cylinder 82, a reduction gear set installed in the cylinder 82, a bevel gear 81 installed at the upper end of the reduction gear set and linked with the reduction gear set, and an outer rotor motor 84 installed at the lower end of the reduction gear set and used for driving the reduction gear set to work, the outer rotor motor 84 is located in the cylinder 82, blades 801 distributed circumferentially are arranged on the periphery of the end portion of a casing 841 in the outer rotor motor 84, air guide grooves 802 are formed between the blades 801, the air guide grooves 802 penetrate through the end portion of the casing 841, after the outer rotor motor 84 works, the casing 841 rotates, and the blades 801 generate air flow in the rotation process to dissipate heat. The outer rotor motor 84 has a simple structure, and the blades 801 distributed circumferentially are arranged on the periphery of the end of the housing 841, and the blades 801 generate axial airflow through the air guide grooves 802 during rotation to dissipate heat.

The support 2 is horizontally provided with a pin shaft 21 in a penetrating mode, a nut 22 is spirally fixed at the end portion of the pin shaft 21, the first blade 3, the second blade 4 and the swing tooth 6 are respectively provided with a first through hole, a second through hole and a third through hole for the pin shaft 21 to penetrate through, the upper end of the swing tooth 6 and the second blade 4 are fixed through a first pin 61 to be linked, and the lower end of the first blade 3 is fixedly connected with the support 2 through a second pin.

The anti-jumping tooth driving mechanism 7 comprises a driving shaft 72 which is arranged on the bracket 2 through a bearing 71, a large toothed disc 73 which is arranged at the end part of the driving shaft 72, and a locknut 74 which is screwed on the driving shaft 72 and is used for limiting the large toothed disc 73 on the driving shaft 72, wherein the large toothed disc 3 is meshed with a bevel gear 81 on the motor assembly 8; the end of the driving shaft 72 is provided with a regular thread section 721 and a reverse thread section 722 positioned at the end of the regular thread section 721, and the diameter of the reverse thread section 722 is smaller than that of the regular thread section 721; the center of the big fluted disc 73 is provided with a positive threaded hole 731 matched with the positive threaded section 721, the locknut 74 is provided with a negative threaded hole 740 matched with the negative threaded section 722, the big fluted disc 73 is fixed with the positive threaded section 721 through the positive threaded hole 731 in a spiral way, and the locknut 74 is fixed with the negative threaded section 722 in a spiral way through the negative threaded hole 740, so that the big fluted disc 73 is fixedly connected with the driving shaft 72; the other end of the driving shaft 72 opposite to the regular thread section 721 is integrally formed with a driving gear 723, and the driving gear 723 is engaged with the swing tooth 6.

The invention is provided with a regular thread section 721 and a reverse thread section 722 at the end of the regular thread section 721 at the end of the driving shaft 72, and the diameter of the reverse thread section 722 is smaller than that of the regular thread section 721, so that the big fluted disc 73 is fixed with the regular thread section 721 through a regular thread hole 731, and the locknut 74 is fixed with the reverse thread section 722 through a reverse thread hole 740, so that the big fluted disc 73 is fixedly connected with the driving shaft 72, that is, the big fluted disc and the locknut 74 are fixed on the driving shaft 72 in a regular and reverse thread way, even if the big fluted disc and the locknut 74 rotate in the regular and/or reverse direction for a long time, the locknut 74 is screwed continuously to prevent the big fluted disc from loosening, thereby ensuring that the big fluted disc 73 is stably installed on the driving shaft 72, and the fit clearance between the big fluted disc 73 and the bevel gear 81 is not increased, thereby achieving the effect of preventing the tooth jumping, and the locknut 4 can not be accidentally disengaged, so that the invention has strong market competitiveness.

A washer 741 is integrally connected to the inner side of the locknut 74, and the washer 741 is in contact with the outer side surface of the large fluted disc 73. The locknut 74 is enabled to form a certain limiting effect on the large fluted disc 73, and the large fluted disc 73 is prevented from loosening. Further, a plurality of anti-slip teeth (not shown) are formed on an inner side surface of the spacer 741, and the anti-slip teeth contact with an outer side surface of the large fluted disc 73, so that the spacer 741 can prevent the large fluted disc 73 from rotating.

The outer side surface of the big fluted disc 73 is provided with a convex ring part 731, and the anti-skidding convex teeth are abutted against the convex ring part 731, so that the wear-resisting effect can be improved.

In summary, the present invention employs the electric driving device to drive the first blade 3 and the second blade 4 to open or close to shear the metal, which does not require manual force, and is very convenient and labor-saving to operate, and very convenient to use, and the inner end of the first blade 3 and the inner end of the second blade 4 are respectively provided with the first pincer teeth 31 and the second pincer teeth 41 for matching and clamping the foreign objects, which function as electric pincers to meet different use requirements, so that the present invention has strong market competitiveness.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.