CN211998254U

CN211998254U - Double-open type safety chuck

Info

Publication number: CN211998254U
Application number: CN202020608400.1U
Authority: CN
Inventors: 高道德
Original assignee: Wuxi Yibo Machinery Technology Co ltd
Current assignee: Wuxi Yibo Machinery Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-24
Anticipated expiration: 2030-04-21

Abstract

The utility model belongs to the chuck field, in particular to a double-open type safety chuck, which comprises a flange plate, a shaft lever and a disc, wherein a square through hole is arranged in the center of the disc, one end of the shaft lever is sleeved in the square through hole of the disc, the end surface of the shaft lever is flush with the side surface of the disc far away from a flange seat, the other end of the shaft lever passes through the flange plate, a first limiting rubber ring and a second limiting rubber ring are arranged in the flange plate, and the first limiting rubber ring and the second limiting rubber ring are sleeved on the outer peripheral surface of the shaft lever; the port of the shaft lever in the disc is provided with a through groove, the disc is composed of a first elastic disc and a second elastic disc, the first elastic disc and the second elastic disc are both provided with an elastic column on a central axis, the lower end of the elastic column is connected below the shaft lever in the through groove, the two ends of the second elastic disc are respectively fixed on the outer surface of the side wall of the through groove through fixing pins, and the two ends of the first elastic disc are respectively sleeved on the fixing pins for fixing the second elastic disc.

Description

Double-open type safety chuck

Technical Field

The utility model belongs to the chuck field, concretely relates to double open type safety chuck.

Background

The safety chuck is a pre-designed solution to support the roll and transmit torque. The standard safety chuck provides an economical and easy to install design for the user, and provides quick, accurate, safe and easy connection, transmission and disconnection for frequent actions such as connection, transmission and disconnection. The inflatable shaft or the square steel can be connected. The installation mode has two kinds, and the installation mode is divided into a shaft seat type and a flange type.

The safety chuck may be classified into a spindle base type, a flange type, or a horizontal type and a vertical type according to its type. The modular safety chuck is simple, practical and easy to install and provides quick, safe, reliable and easy coupling and uncoupling operation for frequent operations such as coupling, transmission and uncoupling.

However, when the safety chuck is installed and uninstalled at present, the safety chuck needs to be rotated until the elastic disc of the safety chuck is suitable for being detached, and when the safety chuck is fixed on a large-sized machine for use, the rotation of the safety chuck is difficult.

SUMMERY OF THE UTILITY MODEL

To the problem in the prior art, the utility model provides a

In order to realize the technical purpose, the technical proposal of the utility model is that:

a double-open type safety chuck comprises a flange plate, a shaft lever and a disc, wherein a square through hole is arranged in the center of the disc, one end of the shaft lever is sleeved in the square through hole of the disc, the end face of the shaft lever is flush with the side face, away from a flange seat, of the disc, the other end of the shaft lever penetrates through the flange plate, a first limiting rubber ring and a second limiting rubber ring are arranged in the flange plate, and the first limiting rubber ring and the second limiting rubber ring are sleeved on the outer peripheral face of the shaft lever; the port that the axostylus axostyle is located the disc is provided with logical groove, the disc comprises first elastic disk and second elastic disk, first elastic disk and second elastic disk structure are the same, and the axis of first elastic disk and the axis of second elastic disk all are at the groove axial plane that leads to the groove, first elastic disk and second elastic disk all are provided with the elasticity post on the axis, and the connection of elasticity post lower extreme is located the below that leads to the groove at the axostylus axostyle, the both ends of second elastic disk are fixed respectively on the lateral wall surface that leads to the groove through the fixed pin, the both ends of first elastic disk cup joint respectively on the fixed pin of fixed second elastic disk.

Furthermore, be provided with the deep trouth in leading to the groove bottom, just the deep trouth is provided with the spring frame, spring frame upper surface is a little higher than leads to the groove bottom.

Still further, the spring frame includes the bearing plate, the bearing plate bottom is provided with the several spring post, and this spring post other end is fixed on the deep trouth bottom.

Furthermore, the edge of the upper surface of the bearing plate is provided with two paired oblique blocks, the inclined planes of the oblique blocks are just aligned to the center of the bearing plate, and each oblique block is located between two side walls of the through groove.

As can be seen from the above description, the present invention has the following advantages:

1. the utility model provides a current inconvenient problem of safe chuck dismouting, utilize the cooperation of fixed pin and first elastic disk and second elastic disk, can realize diversified installation, greatly reduced the dismouting degree of difficulty of large-scale machinery, improved efficiency.

2. The utility model discloses the mode that utilizes to lead to the inslot and set up the spring frame has realized the fixed effect of extrusion, utilizes the compressibility and the reverse acting force of spring, the effectual connection stability that has promoted, has also promoted safety chuck's fault-tolerant rate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a longitudinal sectional view of an embodiment of the invention;

fig. 3 is a schematic structural view of a spring frame according to an embodiment of the present invention.

Detailed Description

With reference to fig. 1 to 3, a specific embodiment of the present invention is described in detail, but the present invention is not limited to the claims.

As shown in fig. 1 to 3, the double-open type safety chuck comprises a flange plate 1, a shaft lever 2 and a disc 3, wherein a square through hole is arranged in the center of the disc 3, one end of the shaft lever 2 is sleeved in the square through hole of the disc 3, the end surface of the shaft lever is flush with the side surface of the disc 3, which is far away from a flange seat, the other end of the shaft lever passes through the flange plate 1, a first limiting rubber ring and a second limiting rubber ring are arranged in the flange plate 1, and the first limiting rubber ring 1-1 and the second limiting rubber ring 1-2 are sleeved on the outer peripheral surface of the shaft lever 2; a through groove 2-1 is arranged at the port of the shaft lever 2 positioned in the disc 3, the disc 3 consists of a first elastic disc 3-1 and a second elastic disc 3-2, the first elastic disc 3-1 and the second elastic disc 3-2 have the same structure, the central axis of the first elastic disc 3-1 and the central axis of the second elastic disc 3-2 are both arranged on the groove axial surface of the through groove 2-1, the first elastic disc 3-1 and the second elastic disc 3-2 are both provided with an elastic column 3-3 on the central axis, the lower ends of the elastic columns 3-3 are connected with the shaft lever 2 and positioned below the through groove 2-1, the two ends of the second elastic disc 3-2 are respectively fixed on the outer surface of the side wall of the through groove 2-1 through fixing pins 4, two ends of the first elastic disc 3-1 are respectively sleeved on a fixing pin 4 for fixing the second elastic disc 3-2; first elastic disk and second elastic disk homoenergetic can rotate along two fixed pins, will lead to groove one end and expose, make things convenient for the installation and the dismantlement in industry, and second elastic disk and first elastic disk can reach two orientations and dismantle, need not to rotate the safety chuck that loads, and the quotation automatic recovery of first elastic disk and second elastic disk can be ensured to the elasticity post of first elastic disk and second elastic disk, reaches the fixed effect of joint.

Furthermore, a deep groove 2-2 is arranged in the bottom of the through groove 2-1, the deep groove 2-2 is provided with a spring frame 2-3, and the upper surface of the spring frame 2-3 is slightly higher than the bottom of the through groove 2-1. The spring column can play a role in automatic recovery; when the spring frame is compressed to the bottom of the deep groove after being extruded, the spring column is stressed to form compression and generate reverse acting force, so that end extrusion acting force is formed, and a good extrusion fixing effect is achieved.

Still further, the spring frame 2-3 comprises a bearing plate 2-32, a plurality of spring columns 2-31 are arranged at the bottom of the bearing plate 2-32, and the other ends of the spring columns 2-31 are fixed at the bottom of the deep groove 2-2. The bearing plate can form good butt effect to the spring post, reaches the effect of stable connection.

Furthermore, the edges of the upper surfaces of the bearing plates 2 to 32 are provided with two paired inclined blocks 2 to 33, the inclined surfaces of the inclined blocks 2 to 33 are opposite to the center of the bearing plate, and each inclined block is positioned between the two side walls of the through groove 2-1; the paired oblique blocks can play a good blocking effect, and when the oblique blocks are extruded by the pressure bearing plate in the rotating process, the oblique blocks form fixation at two ends, so that a limiting effect is achieved, and the problem that the surface of the pressure bearing plate transversely moves and impacts a disc is solved.

To sum up, the utility model has the advantages of it is following:

It should be understood that the above detailed description of the present invention is only for illustrative purposes and is not limited to the technical solutions described in the embodiments of the present invention. It will be understood by those skilled in the art that the present invention may be modified and equivalents may be substituted to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A double open type safety chuck which is characterized in that: the flange comprises a flange plate, a shaft lever and a disc, wherein a square through hole is arranged in the center of the disc, one end of the shaft lever is sleeved in the square through hole of the disc, the end face of the shaft lever is flush with the side face, away from a flange seat, of the disc, the other end of the shaft lever penetrates through the flange plate, a first limiting rubber ring and a second limiting rubber ring are arranged in the flange plate, and the first limiting rubber ring and the second limiting rubber ring are sleeved on the outer peripheral face of the shaft lever; the port that the axostylus axostyle is located the disc is provided with logical groove, the disc comprises first elastic disk and second elastic disk, first elastic disk and second elastic disk structure are the same, and the axis of first elastic disk and the axis of second elastic disk all are at the groove axial plane that leads to the groove, first elastic disk and second elastic disk all are provided with the elasticity post on the axis, and the connection of elasticity post lower extreme is located the below that leads to the groove at the axostylus axostyle, the both ends of second elastic disk are fixed respectively on the lateral wall surface that leads to the groove through the fixed pin, the both ends of first elastic disk cup joint respectively on the fixed pin of fixed second elastic disk.

2. The dual opening safety chuck according to claim 1, wherein: be provided with the deep trouth in leading to the groove bottom, just the deep trouth is provided with the spring frame, the spring frame upper surface is a little higher than leads to the groove tank bottom.

3. The dual opening safety chuck according to claim 2, wherein: the spring frame comprises a bearing plate, a plurality of spring columns are arranged at the bottom of the bearing plate, and the other ends of the spring columns are fixed on the bottom of the deep groove.

4. The dual opening safety chuck according to claim 3, wherein: the edge of the upper surface of the bearing plate is provided with two paired oblique blocks, the inclined planes of the oblique blocks are just aligned to the center of the bearing plate, and each oblique block is located between two side walls of the through groove.