CN217619766U

CN217619766U - Protective cover limiting mechanism of handheld angle grinder

Info

Publication number: CN217619766U
Application number: CN202221547944.7U
Authority: CN
Inventors: 曹关锦; 陈雪祥; 许照
Original assignee: Hangzhou Tianxiang Dazhong Industrial Co ltd
Current assignee: Hangzhou Tianxiang Dazhong Industrial Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-21
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to an angle mill technical field especially relates to a protection casing stop gear of hand-held type angle mill, including angle mill body and the dish of polishing, the lower tip at the angle mill body is installed in the rotation of the dish of polishing, be equipped with the diaphragm mechanism that is convenient for carry out spacing regulation to the protection casing on the angle mill body, diaphragm mechanism includes fixed lantern ring one, fixed lantern ring two and protection casing, the side tip at the angle mill body is established to fixed lantern ring one activity cover, fixed lantern ring two is located one side of fixed lantern ring one, the side tip fixed mounting of fixed lantern ring one has rectangle piece one, thread groove one has been run through to the side tip of rectangle piece one. The utility model discloses a set up spacing bumping post and the first cooperation in cylindrical groove, carried out spacing adjustment to the protection casing, it is more convenient to compare in ordinary adjustment mode, easy operation has improved user's work efficiency, and the practicality is higher.

Description

Protective cover limiting mechanism of handheld angle grinder

Technical Field

The utility model relates to an angle mill technical field especially relates to a protection casing stop gear of hand-held type angle mill.

Background

An angle grinder, also called a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics. An angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal, stone and the like.

The existing angle grinder protective cover has the following defects that the existing protective cover is single in installation mode, inflexible in use and fixed by threads generally, when a user needs to adjust the position of the protective cover, the position of the protective cover can be adjusted only by disassembling a threaded screw, and the operation is complex and difficult.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a protective cover limiting mechanism of a handheld angle grinder.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a protection casing stop gear of hand-held type angle mill, includes angle mill body and the mill of polishing, the lower tip at the angle mill body is installed in the rotation of the mill of polishing dish, be equipped with the diaphragm mechanism that is convenient for carry out spacing regulation to the protection casing on the angle mill body, diaphragm mechanism includes fixed lantern ring one, fixed lantern ring two and protection casing, the side tip at the angle mill body is established to fixed lantern ring one activity cover, fixed lantern ring two is located one side of fixed lantern ring one, the side tip fixed mounting of fixed lantern ring one has rectangular block one, the side tip of rectangular block one runs through and has seted up thread groove one, the side tip fixed mounting of fixed lantern ring one and thread groove two has rectangular block two, the side tip of rectangular block two runs through and has seted up thread groove two, the threaded rod is all rotated to the inside wall of thread groove one and thread groove two and installs, the side tip fixed mounting of fixed lantern ring one has rubber pad one, the side tip fixed mounting of fixed lantern ring two has rubber pad two, the upper end of fixed lantern ring two runs through and has seted up the ring groove one, the upper end of ring groove just is located one side of ring groove and has seted up a plurality of equidistance, the protection casing rotates the lower tip at fixed lantern ring two, the last fixed mounting has L shape baffle.

As an optimal technical scheme of the utility model, L shape baffle is located the ring channel, the upper end of L shape baffle runs through and has seted up the post groove two, the inside wall slidable mounting of L shape baffle has spacing bumping post.

As a preferred technical scheme of the utility model, spacing bumping post is located the columnar order inslot, fixed mounting has the spring between spacing bumping post and the L shape baffle.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. this device is through having set up the protection casing that can rotate in a flexible way, and the user can adjust the position of protection casing as required for the protection casing is applicable to polishing of different grade type, and the flexibility is higher, and it is convenient to use.

2. This device cooperatees through having set up spacing bumping post and post groove one, carries out spacing adjustment to the protection casing, and it is more convenient to compare in ordinary adjustment mode, and easy operation has improved user's work efficiency, and the practicality is higher.

Drawings

FIG. 1 is a schematic structural view of the angle grinder body of the present invention;

FIG. 2 is a schematic structural view of a second rubber pad of the present invention;

fig. 3 is a schematic structural view of a first fixing sleeve ring of the present invention;

fig. 4 is a schematic structural view of a second fixing sleeve ring of the present invention;

FIG. 5 is a schematic view of the protective cover of the present invention

Wherein: 1. an angle grinder body; 11. grinding disc; 2. a first fixed lantern ring; 21. a first rubber pad; 22. a first rectangular block; 23. a first thread groove; 24. a threaded rod; 3. a second fixed lantern ring; 31. a second rectangular block; 32. a second thread groove; 33. a second rubber pad; 34. an annular groove; 35. a cylindrical groove I; 4. a protective cover; 41. an L-shaped baffle plate; 42. a cylindrical groove II; 43. a spring; 44. and limiting stop posts.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

As shown in fig. 1, 2, 3, 4 and 5, a shield limiting mechanism of a hand-held angle grinder, which comprises an angle grinder body 1 and a polishing disc 11, wherein the polishing disc 11 is rotatably installed at the lower end part of the angle grinder body 1, a transverse plate mechanism convenient for limiting and adjusting the shield is arranged on the angle grinder body 1, the transverse plate mechanism comprises a first fixed lantern ring 2, a second fixed lantern ring 3 and a shield 4, the first fixed lantern ring 2 is movably sleeved at the side end part of the angle grinder body 1, the second fixed lantern ring 3 is positioned at one side of the first fixed lantern ring 2, the side end part of the first fixed lantern ring 2 is fixedly provided with a first rectangular block 22, the side end part of the first rectangular block 22 is provided with a first threaded groove 23 in a penetrating manner, the side end part of the second fixed lantern ring 3 is fixedly provided with a second rectangular block 31, the side end part of the second rectangular block 31 is provided with a second threaded groove 32 in a penetrating manner, the inner side end parts of the first threaded groove 23 and the second threaded groove 32 are both rotatably provided with a threaded rod 24, the first fixed lantern ring 2 is fixedly provided with a first rubber pad 21, the first rubber pad 21 and the second rectangular block 31 are made of softer materials and have certain friction force, so as to ensure that the first fixed lantern ring 2 and the second fixed lantern ring 3 are more firmly fixed,

a rubber pad II 33 is fixedly installed at the side end part of the fixed lantern ring II 3, an annular groove 34 is formed in the upper end part of the fixed lantern ring II 3 in a penetrating mode, a plurality of equidistant cylindrical grooves I35 are formed in the upper end part of the annular groove 34 and located on one side of the annular groove 34, the protective cover 4 is rotatably installed at the lower end part of the fixed lantern ring II 3, an L-shaped baffle 41 is fixedly installed on the protective cover 4, the L-shaped baffle 41 is located in the annular groove 34, a cylindrical groove II 42 is formed in the upper end part of the L-shaped baffle 41 in a penetrating mode, a limiting baffle column 44 is installed on the inner side wall of the L-shaped baffle 41 in a sliding mode, the limiting baffle column 44 is located in the cylindrical groove I35, a spring 43 is fixedly installed between the limiting baffle column 44 and the L-shaped baffle 41, when a user needs to adjust the angle of the protective cover 4, the user can pull the limiting baffle column 44 upwards, the limiting baffle column 44 moves upwards to be pulled to be deformed to be pulled to be upwards, the limiting baffle column 44 gradually separated from the cylindrical groove I35 upwards, the limiting baffle column 44 is matched with the protective cover 4, and the protective cover is convenient and convenient to be compared with a common adjusting mode, the operation is simple, the work efficiency of the user is improved, and the practicability is higher;

when the limit stop post 44 completely leaves the first cylindrical groove 35, the rotatable limit stop post 44 is used, the limit stop post 44 rotates to drive the L-shaped baffle plate 41 to rotate through the second cylindrical groove 42, the L-shaped baffle plate 41 rotates to drive the protective cover 4 to rotate at the lower end part of the second fixed lantern ring 3, and when a user adjusts the protective cover 4 to a proper angle, the user can loosen the limit stop post 44 at the moment.

The working principle is as follows:

when a user polishes, the user usually uses the polishing disc 11 to polish a workpiece, usually, the protective cover 4 protects chips, when special polishing is performed, the user needs to adjust the angle of the protective cover 4, the user can upwards pull the limiting blocking post 44, the limiting blocking post 44 upwards moves to be pulled into the spring 43 to deform, the limiting blocking post 44 upwards moves to gradually leave the first cylindrical groove 35, when the limiting blocking post 44 completely leaves the first cylindrical groove 35, the rotatable limiting blocking post 44 is used, the limiting blocking post 44 rotates to drive the L-shaped baffle 41 to rotate through the second cylindrical groove 42, the L-shaped baffle 41 rotates to drive the protective cover 4 to rotate at the lower end part of the second fixed sleeve ring 3, when the user adjusts the protective cover 4 to a proper angle, the user can loosen the limiting blocking post 44 at the moment, the spring 43 does not rebound due to tensile force, the spring 43 rebounds to pull the limiting blocking post 44 to downwards, the limiting blocking post 44 downwards moves to slide in the second cylindrical groove 42 and reenters the first cylindrical groove 35, at the moment, the protective cover 4 is fixed under the matching of the first cylindrical groove 44, the first limiting blocking post 44 and can be polished, the protective cover 4 can be used in an inflexible manner, and the conventional protective cover 4 can be used for protecting the user, and the user can be prevented from being damaged in a single angle. Use the thread tightening usually, when the user need adjust the position of protection casing 4, still need to dismantle the screw thread screw rod and just can adjust the position of protection casing 4, complex operation is difficult, this device is through having set up can nimble pivoted protection casing 4, the user can adjust the position of protection casing 4 as required, make the protection casing 4 be applicable to polishing of different grade type, the flexibility is higher, it is convenient to use, and this device cooperatees through having set up spacing bumping post 44 and post groove 35, carry out spacing adjustment to protection casing 4, it is more convenient to compare in ordinary adjustment mode, and the operation is thus simple, the work efficiency of the user is improved, and the practicability is higher.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, and the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A protective cover limiting mechanism of a handheld angle grinder comprises an angle grinder body (1) and a grinding disc (11), wherein the grinding disc (11) is rotatably installed at the lower end part of the angle grinder body (1), and is characterized in that a transverse plate mechanism convenient for limiting and adjusting a protective cover is arranged on the angle grinder body (1);

the diaphragm mechanism includes fixed lantern ring one (2), two (3) of fixed lantern ring and protection casing (4), the side end at angle mill body (1) is established to fixed lantern ring one (2) activity cover, fixed lantern ring two (3) are located one side of fixed lantern ring one (2), the side end fixed mounting of fixed lantern ring one (2) has rectangle piece one (22), the side end of rectangle piece one (22) runs through and has seted up thread groove one (23), the side end fixed mounting of fixed lantern ring two (3) has rectangle piece two (31), the side end of rectangle piece two (31) runs through and has seted up thread groove two (32), the inside wall of thread groove one (23) and thread groove two (32) all rotates and installs threaded rod (24).

2. The protective cover limiting mechanism of the hand-held angle grinder as claimed in claim 1, wherein a first rubber pad (21) is fixedly mounted at the side end of the first fixed sleeve ring (2), and a second rubber pad (33) is fixedly mounted at the side end of the second fixed sleeve ring (3).

3. The protective cover limiting mechanism of the handheld angle grinder is characterized in that an annular groove (34) is formed in the upper end of the second fixing sleeve ring (3) in a penetrating mode, and a plurality of equidistant cylindrical grooves (35) are formed in the upper end of the annular groove (34) and located on one side of the annular groove (34).

4. The protective cover limiting mechanism of the handheld angle grinder as claimed in claim 3, wherein the protective cover (4) is rotatably mounted at the lower end of the second fixed sleeve ring (3), and an L-shaped baffle (41) is fixedly mounted on the protective cover (4).

5. The protective cover limiting mechanism of the handheld angle grinder is characterized in that the L-shaped baffle (41) is located in the annular groove (34), a cylindrical groove II (42) is formed in the upper end portion of the L-shaped baffle (41) in a penetrating mode, and a limiting stop pillar (44) is slidably mounted on the inner side wall of the L-shaped baffle (41).

6. The protective cover limiting mechanism of the handheld angle grinder is characterized in that the limiting stop pillar (44) is located in the first cylindrical groove (35), and a spring (43) is fixedly installed between the limiting stop pillar (44) and the L-shaped baffle plate (41).