CN213004205U

CN213004205U - Grinding handle

Info

Publication number: CN213004205U
Application number: CN202021597265.1U
Authority: CN
Inventors: 黄茗洋; 孙扬峻; 洪大为
Original assignee: Shanghai Shangan Precision Mould Co ltd
Current assignee: Shanghai Shangan Precision Mould Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-04-20
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a grinding handle, including first grinding handle, first recess and second recess, the inner chamber has been seted up to the inside of first grinding handle, the spacing groove has been seted up to the avris of second grinding handle, the avris of handle is connected with the one end of spring, first recess is reserved in the bottom of second grinding handle, and the internally mounted of first recess has the one end of grinding head to the other end of grinding head is located the outside of second grinding handle, the tip of grinding head is seted up to the second recess, and the internally mounted of second recess has the one end of lead screw to the other end of lead screw runs through in the outside of first grinding handle. This grinding handle, the first grinding handle of being convenient for and accomodating of second grinding handle, and can polish the grinding to the hole of equidimension not, avoided the integrated design of grinding handle to need not a grinding handle and correspond a grinding head, and then reduced grinding handle production quantity, thereby reduced the input of cost.

Description

Grinding handle

Technical Field

The utility model relates to a grind technical field, specifically be a grind handle.

Background

Since the grinding shank is used by being attached to a pneumatic grinder and can polish and grind polygonal holes such as square holes and hexagonal holes, the grinding shank is widely used.

However, the existing grinding handle is designed in an integrated manner and does not have a telescopic function, so that the grinding handle is too long to be stored conveniently, holes of different sizes are polished and ground, the whole grinding handle needs to be detached, the use is inconvenient, and meanwhile, one grinding head needs one grinding handle, so that the waste of the grinding handle is caused. In order to solve the problems, innovative design is urgently needed on the basis of the original grinding handle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grind handle to solve above-mentioned background art and propose current grinding handle and all be the integrated design, do not have flexible function, thereby lead to grinding handle overlength not convenient to accomodate, and polish to the hole of equidimension not and grind, need dismantle whole grinding handle, thereby inconvenient use, a grinding head needs a grinding handle simultaneously, thereby lead to the problem of the waste of grinding handle.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding handle comprises a first grinding handle, a first groove and a second groove, wherein an inner cavity is formed in the first grinding handle, a second grinding handle is arranged in the inner cavity, a limit groove is arranged at the side of the second grinding handle, one end of a limit rod is arranged in the limit groove, the other end of the limiting rod penetrates through the inside of the first grinding handle and is connected with the middle part of the handle, the side of the handle is connected with one end of a spring, the other end of the spring is fixed on the outer wall of the first grinding handle, the first groove is reserved at the bottom of the second grinding handle, and one end of the grinding head is arranged in the first groove, and the other end of the grinding head is positioned outside the second grinding handle, the second groove is arranged at the end part of the grinding head, and one end of a screw rod is arranged in the second groove, and the other end of the screw rod penetrates through the outer part of the first grinding handle.

Preferably, the outer wall of the second grinding handle is attached to the inner side of the inner cavity, the second grinding handle and the first grinding handle form a sliding structure through the inner cavity, and the first grinding handle and the second grinding handle are both made of high-speed steel.

Preferably, the limiting grooves are distributed on the second grinding handle at equal intervals, and the limiting grooves are connected with the limiting rod in a clamping manner.

Preferably, the limiting rod and the handle are combined into a T-shaped structure, and the limiting rod and the handle form a telescopic structure with the first grinding handle through a spring.

Preferably, the polishing head is designed to be a T-shaped structure, the polishing head forms a sliding type clamping structure with the second polishing handle through the first groove, and the polishing head is made of polishing oilstone.

Preferably, the outer wall of the screw rod is designed to be of a thread-shaped structure, the screw rod is in threaded connection with the second grinding handle, the screw rod is connected with the second groove in a clamping mode, and the number of the screw rods is 2.

Compared with the prior art, the beneficial effects of the utility model are that: the grinding handle is convenient for accommodating the first grinding handle and the second grinding handle, and can be used for polishing and grinding holes with different sizes, so that the integrated design of the grinding handle is avoided, one grinding handle is not needed to correspond to one grinding head, the production quantity of the grinding handles is reduced, and the cost input is reduced;

1. the second grinding handle can stretch out and draw back in the first grinding handle, so that when the first grinding handle and the second grinding handle are not used, the second grinding handle can be stored in the first grinding handle, the occupied area of the first grinding handle and the occupied area of the second grinding handle are reduced, and the first grinding handle and the second grinding handle can be conveniently stored;

2. the grinding head can be dismantled and install with the second grinding handle to can install not the grinding head of equidimension, and then can polish the grinding to the hole of equidimension not, avoid the integrated design of grinding the handle, thereby need not a grinding handle and correspond a grinding head, and then reduced grinding handle production quantity, thereby reduced the input of cost.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the mounting structure of the polishing head of the present invention.

In the figure: 1. a first grinding shank; 2. an inner cavity; 3. a second grinding shank; 4. a limiting groove; 5. a limiting rod; 6. a handle; 7. a spring; 8. a first groove; 9. a grinding head; 10. a second groove; 11. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a grinding handle comprises a first grinding handle 1, an inner cavity 2, a second grinding handle 3, a limiting groove 4, a limiting rod 5, a handle 6, a spring 7, a first groove 8, a grinding head 9, a second groove 10 and a screw rod 11, wherein the inner cavity 2 is formed in the first grinding handle 1, the second grinding handle 3 is arranged in the inner cavity 2, the limiting groove 4 is formed in the side of the second grinding handle 3, one end of the limiting rod 5 is arranged in the limiting groove 4, the other end of the limiting rod 5 penetrates through the inner part of the first grinding handle 1 and is mutually connected with the middle part of the handle 6, one end of the spring 7 is connected with the side of the handle 6, the other end of the spring 7 is fixed on the outer wall of the first grinding handle 1, the first groove 8 is reserved at the bottom of the second grinding handle 3, one end of the grinding head 9 is arranged in the first groove 8, and the other end of the grinding head 9 is positioned outside the second grinding handle 3, the second groove 10 is arranged at the end of the grinding head 9, one end of a screw rod 11 is arranged in the second groove 10, and the other end of the screw rod 11 penetrates through the outer part of the first grinding handle 1;

the outer wall of the second grinding handle 3 is attached to the inner side of the inner cavity 2, the second grinding handle 3 and the first grinding handle 1 form a sliding structure through the inner cavity 2, the first grinding handle 1 and the second grinding handle 3 are made of high-speed steel, and the second grinding handle 3 can stretch in the first grinding handle 1 through the inner cavity 2, so that the second grinding handle 3 can be accommodated;

the limiting grooves 4 are distributed on the second grinding handle 3 at equal intervals, the limiting grooves 4 are connected with the limiting rod 5 in a clamping mode, the limiting rod 5 and the handle 6 are combined into a T-shaped structure, the limiting rod 5 and the handle 6 form a telescopic structure with the first grinding handle 1 through the spring 7, and the limiting rod 5 is guaranteed to be capable of stretching under the action of the handle 6 and the spring 7, so that the end part of the limiting rod 5 can be installed inside the limiting grooves 4 at different positions, the position of the second grinding handle 3 can be fixed, and further, when the first grinding handle 1 rotates, the second grinding handle 3 can also rotate together;

grinding head 9 designs for "T" style of calligraphy structure, and grinding head 9 constitutes the block structure of slidingtype through first recess 8 and second grinding handle 3, and grinding head 9's material is the design of the outer wall of grinding oilstone lead screw 11 for screw thread column structure, and lead screw 11 is threaded connection with second grinding handle 3, and lead screw 11 is connected with the block of second recess 10, lead screw 11 is provided with 2 simultaneously, it can dismantle and install with second grinding handle 3 to have guaranteed that grinding head 9, thereby can change grinding head 9, and then can make second grinding handle 3 can install grinding head 9 of equidimension not, thereby can polish the hole of equidimension not polishing.

The working principle is as follows: when the grinding handle is used, firstly, the handle 6 is pulled, then the handle 6 pulls the limiting rod 5 to move in the groove formed in the first grinding handle 1, meanwhile, the end part of the limiting rod 5 is separated from the limiting groove 4, meanwhile, the spring 7 is stretched, then, the second grinding handle 3 is pulled out from the inner cavity 2, then, the handle 6 is loosened, at the moment, the spring 7 generates elastic force, so that the limiting rod 5 is clamped with the limiting groove 4 at the other position, thereby the total length of the first grinding handle 1 and the second grinding handle 3 is prolonged, similarly, the second grinding handle 3 can be accommodated in the inner cavity 2, thereby the total length of the first grinding handle 1 and the second grinding handle 3 is shortened, further, the first grinding handle 1 and the second grinding handle 3 can be accommodated conveniently, the screw rod 11 is rotated, and as the screw rod 11 is in threaded connection with the second grinding handle 3, the screw rod 11 can be separated from the second groove 10, thereby, the grinding head 9 can be taken out from the inside of the first groove 8, and then grinding heads 9 with different sizes can be installed in the inside of the first groove 8, so that holes with different sizes can be polished and ground.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Grinding shank comprising a first grinding shank (1), a first groove (8) and a second groove (10), characterized in that: an inner cavity (2) is formed in the first grinding handle (1), a second grinding handle (3) is arranged in the inner cavity (2), a limiting groove (4) is formed in the side of the second grinding handle (3), one end of a limiting rod (5) is arranged in the limiting groove (4), the other end of the limiting rod (5) penetrates through the inner portion of the first grinding handle (1) and the middle portion of a handle (6) to be connected, one end of a spring (7) is connected to the side of the handle (6), the other end of the spring (7) is fixed to the outer wall of the first grinding handle (1), a first groove (8) is reserved at the bottom of the second grinding handle (3), one end of a grinding head (9) is arranged in the first groove (8), the other end of the grinding head (9) is located outside the second grinding handle (3), and a second groove (10) is formed in the end portion of the grinding head (9), and one end of a screw rod (11) is arranged in the second groove (10), and the other end of the screw rod (11) penetrates through the outer part of the first grinding handle (1).

2. An abrasive shank according to claim 1 wherein: the outer wall of the second grinding handle (3) is attached to the inner side of the inner cavity (2), the second grinding handle (3) and the first grinding handle (1) form a sliding structure through the inner cavity (2), and the first grinding handle (1) and the second grinding handle (3) are made of high-speed steel.

3. An abrasive shank according to claim 1 wherein: the limiting grooves (4) are distributed on the second grinding handle (3) at equal intervals, and the limiting grooves (4) are connected with the limiting rods (5) in a clamping mode.

4. An abrasive shank according to claim 1 wherein: the limiting rod (5) and the handle (6) are combined into a T-shaped structure, and the limiting rod (5) and the handle (6) form a telescopic structure with the first grinding handle (1) through a spring (7).

5. An abrasive shank according to claim 1 wherein: the grinding head (9) is designed to be of a T-shaped structure, the grinding head (9) and the second grinding handle (3) form a sliding clamping structure through the first groove (8), and the grinding head (9) is made of grinding oilstone.

6. An abrasive shank according to claim 1 wherein: the outer wall of the screw rod (11) is designed to be of a thread-shaped structure, the screw rod (11) is in threaded connection with the second grinding handle (3), the screw rod (11) is connected with the second groove (10) in a clamping mode, and 2 screw rods (11) are arranged.