CN221211325U

CN221211325U - Strong-fixity grinding wheel

Info

Publication number: CN221211325U
Application number: CN202323150817.0U
Authority: CN
Inventors: 李蒙
Original assignee: Zhengzhou Jiutian Industry And Trade Co ltd
Current assignee: Zhengzhou Jiutian Industry And Trade Co ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-25
Anticipated expiration: 2033-11-20

Abstract

The utility model discloses a grinding wheel with strong fixity, which relates to the technical field of grinding wheels and comprises a grinding wheel, wherein the circle center of the grinding wheel is provided with a central groove, the inner wall of the central groove is slidably connected with a central ring, the inner wall of the central ring is provided with threads, the outer surface of the central ring is provided with two through grooves, the interiors of the two through grooves are respectively communicated with the interiors of the central ring, the interiors of the two through grooves are respectively provided with a fixing component, the output end of an electric tool can extrude the arc-shaped surfaces of two connecting blocks to be contacted, the two connecting blocks are respectively rotated and extruded, and then the two connecting blocks can reversely move into the interiors of the two mounting grooves, so that the central ring and the grinding wheel are further connected into a whole through the connecting blocks, the fixing force between the central ring and the grinding wheel is enhanced through the connecting blocks, the grinding wheel is not easy to loose and fall off during use, and the fixity of the grinding wheel is stronger.

Description

Strong-fixity grinding wheel

Technical Field

The utility model relates to the technical field of grinding wheels, in particular to a grinding wheel with strong fixity.

Background

The grinding wheel is a most main type of grinding tool in grinding processing, which is a porous body made by adding a binding agent into an abrasive material and compacting, drying and roasting, has the functions of cutting and grinding, can be used for processing different kinds of materials such as steel, iron, aluminum, copper and the like, can also be used for polishing and grinding metal surfaces, and is a special form of a grinding wheel, and is commonly used in high-speed rotating tools and hand-held tools.

Most of the center rings at the circle centers of the existing grinding wheels are in traditional pressing connection with the grinding wheels, resin is coated on the center rings, and then the center rings and the grinding wheels are sintered at high temperature, so that the center rings and the grinding wheels are firmly bonded, and although the center rings can keep certain firmness in the mode, when the grinding wheels are used for a long time, the grinding wheels are in unstable bonding with the grinding wheels at a high rotating speed, and therefore the risk of loosening and falling of the center rings and the grinding wheels is easy to occur.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art, and provides a grinding wheel with strong fixity, which can solve the problem that the central ring can keep certain firmness, but when the grinding wheel is used for a long time, the situation that the central ring is not firmly adhered to the grinding wheel can occur under the condition of higher rotating speed, so that the risk of loosening and falling off of the central ring and the grinding wheel is easy to occur.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grinding wheel that fixity is strong, includes the grinding wheel, the centre of a circle of grinding wheel is in the centre of a circle of seting up the centre tank, and the inner wall sliding connection in centre tank has the centre ring, and the screw thread is seting up to the inner wall in centre ring, and two logical grooves have been seted up to the surface in centre ring, and the inside in two logical grooves communicates with the inside in centre ring respectively, and the inside in two logical grooves all is provided with fixed subassembly.

Preferably, the fixed subassembly includes two connecting blocks, and the surface of two connecting blocks respectively with the inner wall sliding connection of corresponding logical groove, the opposite end of two connecting blocks is the arcwall face and extends to the inside of center ring respectively.

Preferably, two limit grooves are formed in two sides of the inner wall of the through groove, limit blocks are slidably connected to the inner walls of the four limit grooves, and one ends of the four limit blocks, which are close to the corresponding connecting blocks, are fixedly connected with one ends of the corresponding connecting blocks respectively.

Preferably, the opposite ends of the four limiting blocks are fixedly connected with limiting springs, and the opposite ends of the four limiting springs are fixedly connected with the inner walls of the corresponding limiting grooves respectively.

Preferably, the inner wall mirror image of the central groove is provided with two mounting grooves, and both sides of the inner wall of the two mounting grooves are provided with positioning grooves.

Preferably, the outer surface of the center ring is fixedly connected with four positioning blocks, the four positioning blocks are respectively positioned at two sides of the two through grooves, and the outer surfaces of the four positioning blocks are respectively and slidably connected with the inner walls of the corresponding positioning grooves.

Compared with the prior art, the utility model has the beneficial effects that:

(1) This grinding wheel that fixity is strong, the arcwall face that can extrude two connecting blocks through electric tool's output contacts, and then rotates respectively and extrude two connecting blocks, then in two connecting blocks can the opposite movement to the inside of two mounting grooves, thereby can make center ring and grinding wheel further be connected into whole through the connecting block, thereby strengthen the fixed force between center ring and the grinding wheel through the connecting block, thereby make this grinding wheel difficult emergence become flexible and the problem that drops when using, thereby make the fixity of this grinding wheel stronger.

(2) This grinding wheel that fixity is strong, through the setting of locating piece and constant head tank, can make the inside that center ring accurately inserts the center groove, not only can make center ring realize preliminary location fixed in the grinding wheel, after center ring suppression is accomplished moreover, can assist through the groove can be relative with the mounting groove to the reinforcing of convenient follow-up grinding wheel when using is fixed, and is further that the practicality of this grinding wheel is stronger.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic perspective view of a grinding wheel with high fixity;

FIG. 2 is a schematic view of a center ring of the present utility model;

FIG. 3 is an enlarged view of the utility model at B in FIG. 2;

FIG. 4 is an enlarged view of the utility model at A in FIG. 1;

Fig. 5 is a plan view of a center slot of the present utility model.

Reference numerals: 1. grinding wheel; 2. a central slot; 3. a center ring; 4. a thread; 5. a through groove; 6. a connecting block; 7. a positioning block; 8. a mounting groove; 9. a positioning groove; 10. a limit groove; 11. a limiting block; 12. and a limit spring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a grinding wheel that fixity is strong, includes grinding wheel 1, and the centre of a circle of grinding wheel 1 is in and has seted up centre tank 2, and centre tank 2's inner wall sliding connection has centre ring 3, and screw thread 4 has been seted up to centre ring 3's inner wall, and two logical groove 5 have been seted up to centre ring 3's surface, and the inside of two logical groove 5 communicates with centre ring 3's inside respectively, and the inside of two logical groove 5 all is provided with fixed subassembly.

Further, fixed subassembly includes two connecting blocks 6, the surface of two connecting blocks 6 respectively with the inner wall sliding connection of logical groove 5 that corresponds, the opposite ends of two connecting blocks 6 are the arcwall face and extend to the inside of well center ring 3 respectively, spacing groove 10 has all been seted up to the both sides of two logical inslot walls, the equal sliding connection of inner wall of four spacing grooves 10 has stopper 11, the one end that four stopper 11 is close to the connecting block 6 that corresponds respectively and the one end fixed connection of connecting block 6 that corresponds, the equal fixedly connected with spacing spring 12 of the opposite ends of four stopper 11, the opposite ends of four spacing spring 12 respectively with the inner wall fixed connection of the spacing groove 10 that corresponds.

Further, two mounting grooves 8 are formed in the inner wall mirror image of the central groove 2, positioning grooves 9 are formed in two sides of the inner wall of the two mounting grooves 8, four positioning blocks 7 are fixedly connected to the outer surface of the central ring 3, the four positioning blocks 7 are located on two sides of the two through grooves 5 respectively, and the outer surfaces of the four positioning blocks 7 are connected with the inner walls of the corresponding positioning grooves 9 in a sliding mode respectively.

Further, when the worker needs to press and butt-joint the center ring 3, the positioning block 7 arranged on the outer surface of the center ring 3 is aligned with the inside of the positioning groove 9 and slides in, so that the center ring 3 forms preliminary positioning when being pressed in the grinding wheel 1, and then after the pressing of the center ring 3 in the grinding wheel 1 is finished, the two through grooves 5 formed on the outer surface of the center ring 3 are opposite to the two mounting grooves 8 formed on the inner wall of the grinding wheel 1 respectively.

Further, when current electric tool to centre ring 3 threaded connection, then electric tool's output can extrude the arcwall face of two connecting blocks 6 and contact, and then rotate respectively and extrude two connecting blocks 6, then two connecting blocks 6 can be opposite to remove to the inside of two mounting grooves 8 in to can make centre ring 3 and grinding wheel 1 further be connected into whole through connecting block 6, thereby strengthen the fixed force between centre ring 3 and the grinding wheel 1 through connecting block 6, thereby make this grinding wheel 1 difficult emergence not hard up and the problem that drops when using, thereby make the fixity of this grinding wheel 1 stronger.

Further, through the setting of locating piece 7 and constant head tank 9, can make the inside of center ring 3 accurate insertion center groove 2, not only can make center ring 3 can realize preliminary location fixed in grinding wheel 1, after center ring 3 suppression is accomplished moreover, can assist through groove 5 can be relative with mounting groove 8 to the reinforcing of convenient follow-up grinding wheel when using is fixed, and is further that the practicality of this grinding wheel 1 is stronger.

Working principle: when the staff needs to press the centering ring 3 to butt joint, the positioning block 7 arranged on the outer surface of the centering ring 3 is aligned with the inside of the positioning groove 9 and slides in, so that the centering ring 3 forms preliminary positioning when the grinding wheel 1 is pressed, then after the centering ring 3 is pressed inside the grinding wheel 1, two through grooves 5 formed on the outer surface of the centering ring 3 are opposite to two mounting grooves 8 formed on the inner wall of the grinding wheel 1 respectively, when the existing electric tool is connected with the centering ring 3 in a threaded mode, then the output end of the electric tool can extrude the arc-shaped surfaces of the two connecting blocks 6 to contact, and then the two connecting blocks 6 are respectively rotated to extrude the two connecting blocks 6, then the two connecting blocks 6 can be reversely moved into the inside of the two mounting grooves 8, and the centering ring 3 and the grinding wheel 1 can be further connected into a whole through the connecting blocks 6, so that the fixing force between the centering ring 3 and the grinding wheel 1 is reinforced through the connecting blocks 6, and the problem that looseness and falling of the grinding wheel 1 are difficult to occur when the grinding wheel 1 is used is solved, and the fixity of the grinding wheel 1 is stronger.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a grinding wheel that fixity is strong, includes grinding wheel (1), its characterized in that: the circle center of the grinding wheel (1) is provided with a central groove (2);

wherein, the inner wall of the central groove (2) is connected with a central ring (3) in a sliding way, and the inner wall of the central ring (3) is provided with a thread (4);

Wherein, two through grooves (5) are arranged on the outer surface of the center ring (3), and the inner parts of the two through grooves (5) are respectively communicated with the inner part of the center ring (3);

Wherein, the inside of two logical grooves (5) all is provided with fixed subassembly.

2. A strongly fixed grinding wheel as claimed in claim 1, wherein: the fixing assembly comprises two connecting blocks (6);

The outer surfaces of the two connecting blocks (6) are respectively connected with the inner walls of the corresponding through grooves (5) in a sliding mode, and the opposite ends of the two connecting blocks (6) are arc-shaped surfaces and respectively extend to the inside of the center ring (3).

3. A strongly fixed grinding wheel as claimed in claim 2, wherein: limiting grooves (10) are formed in two sides of the inner walls of the two through grooves (5);

The inner walls of the four limiting grooves (10) are respectively and slidably connected with limiting blocks (11), and one ends of the four limiting blocks (11) close to the corresponding connecting blocks (6) are fixedly connected with one ends of the corresponding connecting blocks (6) respectively.

4. A strongly fixed grinding wheel according to claim 3, characterized in that: the opposite ends of the four limiting blocks (11) are fixedly connected with limiting springs (12);

The opposite ends of the four limit springs (12) are fixedly connected with the inner walls of the corresponding limit grooves (10) respectively.

5. A strongly fixed grinding wheel as claimed in claim 1, wherein: two mounting grooves (8) are formed in the inner wall mirror image of the central groove (2), and positioning grooves (9) are formed in two sides of the inner wall of the two mounting grooves (8).

6. A highly fixed grinding wheel as defined in claim 5, wherein: four positioning blocks (7) are fixedly connected to the outer surface of the center ring (3);

The four positioning blocks (7) are respectively positioned at two sides of the two through grooves (5), and the outer surfaces of the four positioning blocks (7) are respectively connected with the inner walls of the corresponding positioning grooves (9) in a sliding manner.