CN219255136U

CN219255136U - Portable angle grinder

Info

Publication number: CN219255136U
Application number: CN202320436311.7U
Authority: CN
Inventors: 陈兴春
Original assignee: Wuyi Langjian Electric Tools Co ltd
Current assignee: Zhejiang Langjian Tools Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-06-27
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses a portable angle grinder, comprising: the lithium battery handle comprises a handle part, wherein a transmission part is fixedly arranged at one end of the handle part, a protective cover part is rotatably arranged at the top end of the transmission part, a cutting piece is arranged in the protective cover part, and a lithium power battery is magnetically connected to the other end of the handle part. According to the portable angle grinder, the cutting pieces are protected through the rotary protective cover and the positioning protective cover, the positions of the positioning protective cover are correspondingly rotated and adjusted according to the positions of the cutting pieces required to be used in cutting, and then the exposed cutting pieces meet the operation requirements, so that the whole device is convenient to use; the rotary protective cover can be rotated, so that the size of the exposed part of the cutting piece is reduced; when not using the cutting piece, rotate the protection casing to rotating, make and rotate the protection casing and cover the cutting piece completely with the location protection casing, protect comprehensively to the cutting piece, avoid cutting piece 5 to carry the transportation in-process at the device, appear damaging.

Description

Portable angle grinder

Technical Field

The utility model relates to the technical field of angle grinders, in particular to a portable angle grinder.

Background

In the prior art, angle grinders, also known as grinders or disc grinders, are one type of grinding tool used for cutting and grinding glass reinforced plastics. The angle grinder is a portable electric tool for cutting and polishing glass fibre reinforced plastic, and is mainly used for cutting, grinding and brushing metal and stone material.

The existing angle grinder is small and exquisite in size and convenient to carry, and is used by installing a battery according to the use requirement and also used by being directly connected with a household circuit.

Through searching, the patent with the Chinese patent application number of 202122563947.1 discloses a portable angle grinder, which comprises: the motor comprises a shell, wherein an installation part is arranged on one side of the shell, an outer rotor driving motor is arranged in the shell, a speed reducing mechanism is arranged on one side, opposite to the installation part, of the shell, an output shaft of the outer rotor driving motor is connected with the speed reducing mechanism, the speed reducing mechanism is connected with a working head, an installation surface is arranged on the installation part, an included angle between the installation surface and the axis of the shell main body is 15-90 degrees, and the installation surface is used for detachably installing a power supply module. The portable angle grinder is simple in structure, and good in user grasping experience and dynamic balance of tools during cutting operation.

The above patent suffers from the following disadvantages: the device is arranged at the two ends of the cutting piece and the battery to balance the weight of the whole device, so that the whole device is convenient to use; however, the protection casing of cutting piece is fixed connection with the connection work head, and the cutting piece can expose very big part when not using, and the cutting piece itself needs to protect, avoids cutting edge to receive the damage, leads to unable use, and the protection of this protection casing is not comprehensive enough, and can't adjust, and promptly, the cutting piece is in the course of the work, and the user can only use the operation cutting piece from an angle to work, uses inconvenient.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a portable angle grinder.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a portable angle grinder, comprising:

the lithium battery handle comprises a handle part, wherein a transmission part is fixedly arranged at one end of the handle part, a protective cover part is rotatably arranged at the top end of the transmission part, a cutting piece is arranged in the protective cover part, and a lithium power battery is magnetically connected to the other end of the handle part;

the protection casing portion is including rotating the protection casing, the inside rotation of rotating the protection casing is provided with the location protection casing, the part of cutting piece is covered to the location protection casing, the complete cage cutting piece of rotation protection casing cooperation location protection casing carries out comprehensive protection to the cutting piece.

As still further aspects of the utility model: the bottom fixedly connected with connecting sleeve of location protection casing, connecting bearing is fixed mounting in connecting sleeve's inside.

As still further aspects of the utility model: the outer wall of the connecting sleeve is rotationally sleeved with a rotating sleeve, and the rotating sleeve is fixedly connected with the rotating protective cover.

As still further aspects of the utility model: the positioning protection cover is characterized in that the first elastic clamping arm is fixedly connected to the bottom of one side of the front face of the positioning protection cover, and the second elastic clamping arm is fixedly connected to the bottom of one side of the front face of the rotating protection cover.

As still further aspects of the utility model: the transmission part comprises a second positioning plate, one side of the second positioning plate is fixedly connected with a connecting shell, and the top end of the connecting shell is fixedly connected with a connecting seat.

As still further aspects of the utility model: the top of connecting seat fixed mounting has spacing ring gear, just the top fixedly connected with spacing seat of connecting seat.

As still further aspects of the utility model: the top of the limit seat is rotationally provided with an installation rotating shaft, a top thread of the installation rotating shaft is provided with a fixing pin, and the bottom of the outer wall of the installation rotating shaft is fixedly connected with a positioning seat.

As still further aspects of the utility model: the grab handle portion is including connecting the holding rod, the one end fixedly connected with magnetism of connecting the holding rod inhale the base.

As still further aspects of the utility model: the driving motor is fixedly arranged at the other end of the connecting holding rod, the first locating plate is fixedly connected with the outer wall of the other end of the connecting holding rod, and a plurality of limiting pins are fixedly connected to the side of the first locating plate.

Compared with the prior art, the utility model provides a portable angle grinder, which has the following beneficial effects:

this portable angle mill protects the cutting piece through rotating protection casing and location protection casing, and the cutting piece position that needs to use when according to the cutting corresponds the position of rotation adjustment location protection casing, makes naked cutting piece accord with the operation needs then, makes whole device convenient to use.

The portable angle grinder can also rotate the rotary protective cover to reduce the size of the exposed part of the cutting piece; when not using the cutting piece, rotate the protection casing to rotating, make and rotate the protection casing and cover the cutting piece completely with the location protection casing, protect comprehensively to the cutting piece, avoid cutting piece 5 to carry the transportation in-process at the device, appear damaging.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.

Drawings

FIG. 1 is a schematic view of the overall assembly of the present utility model;

FIG. 2 is a schematic view of the structure of the grip portion of the present utility model;

FIG. 3 is a schematic diagram of a transmission part of the present utility model;

fig. 4 is a schematic structural view of the protective cover of the present utility model.

In the figure: 1. a grip portion; 11. connecting a holding rod; 12. a magnetic base; 13. a first positioning plate; 14. a limiting pin; 15. a driving motor; 2. a lithium power battery; 3. a transmission part; 31. a positioning plate II; 32. a connection housing; 33. a connecting seat; 34. a limiting toothed ring; 35. a limit seat; 36. a positioning seat; 37. installing a rotating shaft; 38. fixing pins; 4. a shield part; 41. rotating the protective cover; 42. positioning a protective cover; 43. a connecting sleeve; 44. connecting a bearing; 45. rotating the sleeve; 46. an elastic clamping arm I; 47. an elastic clamping arm II; 5. cutting the sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

A portable angle grinder, as shown in fig. 1-4, comprising:

the handle part 1, its one end fixed mounting has drive division 3, and the top of drive division 3 rotates and installs protection casing portion 4, and the inside of protection casing portion 4 is provided with cutting piece 5, and the other end magnetism of handle part 1 is connected with lithium power battery 2.

The handle part 1 comprises a connecting holding rod 11, a magnetic attraction base 12 is fixedly connected with one end of the connecting holding rod 11, a slot is formed in one end, close to the magnetic attraction base 12, of the connecting holding rod 11, the lithium power battery 2 is arranged to be cylindrical and is directly inserted into the slot, and the magnetic attraction base 12 is fixedly connected with a shell of the lithium power battery 2 through magnetic attraction.

The lithium power battery 2 can be replaced by a power plug and is directly connected with an indoor power supply, and the lithium power battery 2 can be not used when the device is used indoors; the lithium power battery 2 is used as a power source which is inconvenient to be connected with an indoor power supply, so that the device is convenient to adapt to various different working environments.

The other end of the connecting holding rod 11 is fixedly provided with a driving motor 15, the style of the driving motor 15 can be selected according to the requirement, an inner rotor type can be adopted, and an outer rotor type can also be adopted; and the outer wall of the other end is integrally formed with a first positioning plate 13, and four corners of one side of the first positioning plate 13 are integrally formed with a plurality of limiting pins 14.

The transmission part 3 comprises a second positioning plate 31, the second positioning plate 31 is fixedly connected with a first positioning plate 13 through bolts, the limiting pin 14 is inserted into the second positioning plate 31, one side of the second positioning plate 31 is fixedly connected with a connecting shell 32, the connecting shell 32 is provided with a transmission assembly, the input end of the transmission assembly is fixedly inserted with the output shaft of the driving motor 15, and the top end of the connecting shell 32 is integrally formed with a connecting seat 33.

The top of connecting seat 33 fixed mounting has spacing ring gear 34, and the tooth has been seted up to spacing ring gear 34's upper surface, and the top of connecting seat 33 passes through bolt fixed mounting and has spacing seat 35.

The top of spacing seat 35 is rotated through the bearing and is installed installation pivot 37, and the bottom of installation pivot 37 runs through spacing seat 35 and extends to inside the coupling housing 32, and the extension end of installation pivot 37 and drive assembly's output fixed connection, drive assembly can set up as bevel gear pair, also can set up as universal joint.

The top end of the installation rotating shaft 37 is provided with a fixed pin 38 in a threaded manner, and the bottom of the outer wall of the installation rotating shaft 37 is fixedly connected with a positioning seat 36; the cutting blade 5 is clamped in the middle of the installation rotating shaft 37, and the fixing pin 38 and the positioning seat 36 fix the cutting blade 5.

The shield portion 4 includes a rotary shield 41, a positioning shield 42 is rotatably provided inside the rotary shield 41, the positioning shield 42 shields a part of the cutting blade 5, and the rotary shield 41 is matched with the positioning shield 42 to completely shield the cutting blade 5, thereby comprehensively protecting the cutting blade 5.

The bottom integrated into one piece of location protection casing 42 has connecting sleeve 43, and connecting sleeve 43's inside fixed mounting has connecting bearing 44, and connecting bearing 44's inner circle is fixed cup joints at the outer wall of spacing seat 35.

The outer wall of the connecting sleeve 43 is rotatably sleeved with a rotating sleeve 45, the rotating sleeve 45 and the rotating protective cover 41 can rotate relatively freely, and the rotating sleeve 45 and the rotating protective cover 41 are integrally formed.

An elastic clamping arm I46 is welded at the bottom of one side of the front surface of the positioning protective cover 42, and an elastic clamping arm II 47 is welded at the bottom of one side of the front surface of the rotating protective cover 41; the bottom ends of the first elastic clamping arm 46 and the second elastic clamping arm 47 are respectively clamped at the top end of the limiting gear ring 34, so that the positioning protection cover 42 and the rotating protection cover 41 can rotate freely under the action of external force.

Working principle:

referring to fig. 1 to 4, the present device is assembled as shown in fig. 1;

in the use process, the driving motor 15 is started through a button (not shown) of the handle part 1, the driving motor 15 drives the installation rotating shaft 37 to rotate through a transmission component inside the connecting shell 32, the installation rotating shaft 37 drives the cutting blade 5 to rotate at a high speed, and a user holds the connecting handle 11 to control the cutting blade 5 to cut.

The initial positions of the rotary guard 41 and the positioning guard 42 are shown in fig. 1, and the positions of the positioning guard 42 are adjusted correspondingly according to the positions of the cutting blades 5 required to be used in cutting, and the rotary guard 41 and the positioning guard 42 are combined as shown in fig. 1.

The rotary protective cover 41 can be rotated to reduce the size of the exposed part of the cutting blade 5; when the cutting blade 5 is not used, the rotary protective cover 41 is rotated, so that the cutting blade 5 is completely covered by the rotary protective cover 41 and the positioning protective cover 42, the cutting blade 5 is comprehensively protected, and the cutting blade 5 is prevented from being damaged in the carrying and transporting process of the device.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A portable angle grinder, comprising:

the lithium battery pack comprises a handle part (1), wherein a transmission part (3) is fixedly arranged at one end of the handle part (1), a protective cover part (4) is rotatably arranged at the top end of the transmission part (3), a cutting piece (5) is arranged in the protective cover part (4), and a lithium power battery (2) is magnetically connected to the other end of the handle part (1);

the protection casing portion (4) is including rotating protection casing (41), the inside rotation of rotating protection casing (41) is provided with location protection casing (42), the part of cutting piece (5) is covered to location protection casing (42), the complete cage cutting piece (5) of rotation protection casing (41) cooperation location protection casing (42), carries out comprehensive protection to cutting piece (5).

2. A portable angle grinder as claimed in claim 1, wherein: the bottom end of the positioning protection cover (42) is fixedly connected with a connecting sleeve (43), and a connecting bearing (44) is fixedly installed in the connecting sleeve (43).

3. A portable angle grinder as claimed in claim 2, wherein: the outer wall of the connecting sleeve (43) is rotatably sleeved with a rotating sleeve (45), and the rotating sleeve (45) is fixedly connected with the rotating protective cover (41).

4. A portable angle grinder as claimed in claim 1, wherein: an elastic clamping arm I (46) is fixedly connected to the bottom of one side of the front face of the positioning protection cover (42), and an elastic clamping arm II (47) is fixedly connected to the bottom of one side of the front face of the rotating protection cover (41).

5. A portable angle grinder as claimed in claim 1, wherein: the transmission part (3) comprises a second positioning plate (31), one side of the second positioning plate (31) is fixedly connected with a connecting shell (32), and the top end of the connecting shell (32) is fixedly connected with a connecting seat (33).

6. A portable angle grinder as defined in claim 5, wherein: the top of connecting seat (33) is fixedly connected with spacing ring gear (34), just the top fixedly connected with spacing seat (35) of connecting seat (33).

7. A portable angle grinder as defined in claim 6, wherein: the top of the limiting seat (35) is rotatably provided with a mounting rotating shaft (37), the top of the mounting rotating shaft (37) is provided with a fixing pin (38) in a threaded manner, and the bottom of the outer wall of the mounting rotating shaft (37) is fixedly connected with a positioning seat (36).

8. A portable angle grinder as claimed in claim 1, wherein: the grab handle portion (1) comprises a connecting grab bar (11), and one end of the connecting grab bar (11) is fixedly connected with a magnetic attraction base (12).

9. A portable angle grinder as defined in claim 8, wherein: the driving motor (15) is fixedly arranged at the other end of the connecting holding rod (11), the first locating plate (13) is fixedly connected to the outer wall of the other end, and a plurality of limiting pins (14) are fixedly connected to the side of the first locating plate (13).