CN212717674U

CN212717674U - Mechanical shaft connecting device

Info

Publication number: CN212717674U
Application number: CN202021423687.7U
Authority: CN
Inventors: 王笑天
Original assignee: Nantong Zeyun Machinery Co Ltd
Current assignee: Nantong Zeyun Machinery Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-16
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a mechanical shaft connecting device, which comprises a fixed ring, a snap ring and a connecting key, wherein the fixed ring penetrates through the snap ring, the bottom of the snap ring is provided with a screw hole, the screw hole is in threaded connection with the end head of a bidirectional screw rod, the middle part of the bidirectional screw rod penetrates through the axis of a gear fixedly connected, the gear is in meshed connection with the bottom of a rotating handle, the rotating handle penetrates through a protective shell from a through hole, the middle part of the protective shell is provided with a key hole, the connecting key penetrates through the key hole, the radial direction of the end part is larger than that of the middle part, the two ends of the bidirectional screw rod can bear pressure and can be prevented from loosening, the connecting key can react with the fixed ring, the fixed ring and the snap ring can be more tightly connected and can be prevented from loosening, the mechanical shaft can be fastened, the loosening is avoided, the potential safety hazard caused, the use is more flexible.

Description

Mechanical shaft connecting device

Technical Field

The utility model relates to a mechanical connection technical field specifically is a mechanical shaft connecting device.

Background

The mechanical shaft connecting device is a power transmission auxiliary component commonly used by industrial mechanical equipment, and the conventional device for transmitting the rotating torque of a shaft is provided with a rigid coupling and a flexible coupling, wherein various mechanical shaft connecting devices are generally adopted to connect two shafts or the shaft and a rotating part, and the two shafts or the shaft and the rotating part rotate together in the process of transmitting motion and power and do not separate under normal conditions.

And the existing connecting device is usually large in radial dimension, needs a large space, causes inconvenience in installation, is easily influenced by mechanical vibration, enables a bolt to be loose, and has potential safety hazards, so that a mechanical shaft connecting device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical shaft connecting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical shaft connecting device, includes solid fixed ring, snap ring and connecting key, gu fixed ring runs through the snap ring, the snap ring bottom is equipped with the screw, screw and two-way screw rod end screw thread connection, two-way screw rod middle part runs through gear axle center fixed connection, the gear is connected with the meshing of turning handle bottom, the protective housing is passed from the through-hole to the turning handle, the protective housing middle part is equipped with the keyhole, there is the connecting key to run through in the keyhole.

Preferably, the outer side of the fixing ring is provided with a 1:10 taper, and the radial direction of the end part is larger than that of the middle part.

Preferably, the inner side of the snap ring is provided with a 1:10 taper, and the radial direction of the end part is smaller than that of the bottom part.

Preferably, the bottom of the rotating handle is provided with teeth.

Preferably, the end face of the protective shell is provided with an inlet.

Preferably, the end face of the fixing ring is provided with four openings, and the openings are symmetrically arranged.

Preferably, the number of the clamping rings is two, and the clamping rings are symmetrically arranged.

Preferably, the two ends of the bidirectional screw are opposite in thread direction.

Compared with the prior art, the beneficial effects of the utility model are that: can two-way screw rod both ends bear pressure can prevent not hard up, and the connecting key can make solid fixed ring and buckle connection inseparabler to solid fixed ring reaction force, can prevent to become flexible, has dual locking structure that moves, can fasten the mechanical axis, avoids taking place not hard up, eliminates because of the not hard up potential safety hazard of production of mechanical axis connection, moreover the utility model discloses radial dimension is less, can accomplish laminating mechanical axis basically, and the installation space of needs is littleer, uses more in a flexible way.

Drawings

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

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

fig. 3 is a schematic structural view of the protective casing of the present invention.

In the figure: 1. a protective shell; 2. a snap ring; 3. a screw hole; 4. a fixing ring; 5. a bidirectional screw; 6. a handle is rotated; 7. a connecting bond; 8. a gear; 9. an opening; 10. a keyhole; 11. a through hole; 12. and (4) an inlet.

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. 1-3, the present invention provides a technical solution: a mechanical shaft connecting device comprises a fixing ring 4, a clamping ring 2 and a connecting key 7, wherein the fixing ring 4 penetrates through the clamping ring 2, a screw hole 3 is formed in the bottom of the clamping ring 2 and is in threaded connection with the end of a bidirectional screw 5 through the screw hole 3, and the clamping ring 2 can be driven to move by the rotation of a double-headed screw 3;

the middle part of the bidirectional screw 5 penetrates through the axis of a gear 8 and is fixedly connected with the bottom of a rotating handle 6 in a meshed mode through the gear 8, the rotating handle 6 drives the gear 8 to rotate, the rotating handle 6 penetrates through the protective shell 1 from the through hole 11, the protective shell 1 can play a role of a protection device and prevent impurities and water from entering the device, a key hole 10 is formed in the middle part of the protective shell 1, and a connecting key 7 penetrates through the key hole 10;

the outer side of the fixing ring 4 is provided with a 1:10 taper, the radial direction of the end part is larger than that of the middle part, and the fixing ring 4 can be clamped when the clamping ring 2 moves towards the end of the fixing ring;

the inner side of the clamping ring 2 is provided with a 1:10 taper, the radial direction of the end part is smaller than the radial direction of the bottom part, and the bottom part of the rotating handle 6 is provided with teeth which can be meshed with the outer teeth at the edge of the gear 8;

an inlet 12 is formed in the end face of the protective shell 1, and a mechanical shaft can enter the connecting device from the inlet 12;

four openings 9 are symmetrically arranged on the end face of the fixing ring 4, so that the fixing ring 4 can be locked under the action of the clamping ring 2;

utilize the symmetry to set up two snap rings 2, can 4 both ends of chucking solid fixed ring, utilize 5 both ends screw thread opposite directions of two-way screw rod, can drive snap ring 2 outwards or inwards move simultaneously through the screw 3 of snap ring 2 bottom.

The working principle is as follows: the utility model discloses during operation, at first insert the mechanical axis link that needs to connect from opening 12 of protective housing 1, get into solid fixed ring 4 inside, then rotate turning handle 6, through gear 8 and turning handle 6 bottom meshing connection, two-way screw rod 5 middle part runs through 8 axle centers of gear fixed connection, utilize two-way screw rod 5 both ends screw thread opposite direction, can drive snap ring 2 outwards or inwards move simultaneously through screw 3 of snap ring 2 bottom, can block solid fixed ring 4 when snap ring 2 outwards moves, two-way screw rod 5 both ends support the snap ring, both ends are stressed and are made it difficult to become flexible;

utilize 4 terminal surfaces of solid fixed ring to be equipped with the title and be provided with four openings 9, gu fixed ring 4 can tightly block on the mechanical axis, key hole 11 from the protective housing 1 above inserts the connecting key 1, insert in the epaxial keyway of machinery, when connecting key 7 inserts, the power of production can make the outside skew of mechanical axis, and produce radial outside power to solid fixed ring 4, thereby it is inseparabler to make solid fixed ring 4 and snap ring 2 connect, can firmly fix the mechanical axis, prevent that it from producing not hard up, and can bear powerful torsional force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanical shaft connecting device, includes solid fixed ring (4), snap ring (2) and connecting key (7), its characterized in that: the fixing ring (4) penetrates through the clamping ring (2), the bottom of the clamping ring (2) is provided with a screw hole (3), the screw hole (3) is in threaded connection with the end of the two-way screw rod (5), the middle of the two-way screw rod (5) penetrates through the axle center of the gear (8), the gear (8) is meshed with the bottom of the rotating handle (6), the rotating handle (6) penetrates through the protective shell (1) from the through hole (11), the middle of the protective shell (1) is provided with a key hole (10), and the key hole (10) is internally provided with a connecting key (7) which penetrates through the key hole.

2. A mechanical shaft connection device according to claim 1, characterised in that: the outer side of the fixing ring (4) is provided with a 1:10 taper, and the radial direction of the end part is larger than that of the middle part.

3. A mechanical shaft connection device according to claim 1, characterised in that: the inner side of the snap ring (2) is provided with a 1:10 taper, and the radial direction of the end part is smaller than that of the bottom part.

4. A mechanical shaft connection device according to claim 1, characterised in that: the bottom of the rotating handle (6) is provided with teeth.

5. A mechanical shaft connection device according to claim 1, characterised in that: the end face of the protective shell (1) is provided with an inlet (12).

6. A mechanical shaft connection device according to claim 1, characterised in that: the end face of the fixing ring (4) is provided with four openings (9), and the openings (9) are symmetrically arranged.

7. A mechanical shaft connection device according to claim 1, characterised in that: the number of the clamping rings (2) is two, and the clamping rings (2) are symmetrically arranged.

8. A mechanical shaft connection device according to claim 1, characterised in that: the two ends of the bidirectional screw (5) have opposite thread directions.