CN217328182U

CN217328182U - Shaft coupling

Info

Publication number: CN217328182U
Application number: CN202220834622.4U
Authority: CN
Inventors: 朱仲
Original assignee: Chongqing Jinrui Technology Co ltd
Current assignee: Chongqing Jinrui Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-30
Anticipated expiration: 2032-04-12

Abstract

The utility model belongs to the technical field of the shaft coupling, concretely relates to shaft coupling, including shaft coupling body and friction disc, the shaft coupling body is provided with two, two this body contact of shaft coupling, every fixedly connected with connecting plate on the shaft coupling body, two the connecting plate contact, the outside slip of connecting plate has cup jointed the lock sleeve, sliding connection has locking screw in the lock sleeve, locking screw and connecting plate sliding connection, the spacing groove has been seted up to locking screw's inside, first circular slot has been seted up to the inside of connecting plate, the inner wall fixedly connected with guide ring of first circular slot, sliding connection has the gag lever post in the guide ring. This scheme uses through locking screw, lock nut's cooperation, can consolidate the locking to the lock sleeve to improve the locking effect of shaft coupling body counter shaft spare, and under the effect of spring, gag lever post, spacing groove, avoid locking screw's not hard up problem.

Description

Shaft coupling

Technical Field

The utility model belongs to the technical field of the shaft coupling, concretely relates to shaft coupling.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not disengaging under normal conditions, and is sometimes used as a safety device for preventing the connected machine member from bearing excessive load, thereby playing the role of overload protection.

To a perpendicular installation shaft coupling that patent grant publication number is proposed in CN209385520U, it only adopts the cooperation of locking external member, recess isotructure to use, locks first half-coupling, second half-coupling, and it is certain defect like this, does not have good stop gear cooperation locking screw, lock nut's use to guarantee the locking effect of shaft coupling body, more do not have the setting of friction disc, lead to the friction effect of shaft coupling body inner wall not good, and the friction disc loss is difficult for changing.

Disclosure of Invention

An object of the utility model is to provide a coupler has solved current coupler, does not have good stop gear cooperation locking screw, lock nut's use to guarantee that the coupler body possesses good locking effect, and solved the setting that does not have the friction disc, the friction effect that leads to coupler body inner wall is not good, and the difficult problem of changing of friction disc loss.

In order to achieve the above purpose, the utility model provides a coupler, which comprises a coupler body and a friction plate, wherein the coupler body is provided with two coupler body contacts, each coupler body is fixedly connected with a connecting plate, two connecting plates contact, a locking sleeve is slidably sleeved on the outer side of the connecting plate, a locking screw rod is slidably connected in the locking sleeve, the locking screw rod is slidably connected with the connecting plates, a limiting groove is arranged in the locking screw rod, a first circular groove is arranged in the connecting plate, a guide ring is fixedly connected to the inner wall of the first circular groove, a limiting rod is slidably connected in the guide ring, the limiting rod is clamped with the limiting groove, a mounting plate is fixedly sleeved on the outer side of the limiting rod, the mounting plate contacts with the connecting plates, a spring is arranged on the outer side of the limiting rod, and the friction plate contacts with the coupler body, fixedly connected with installation pole on the friction disc, installation pole and shaft coupling body sliding connection, the second circular slot has been seted up to the inside of shaft coupling body, sliding connection has the shift ring in the second circular slot, fixedly connected with kelly in the shift ring, kelly and installation pole joint, the outside of kelly is provided with elastic air bag.

The principle of the utility model lies in: the two coupling bodies are pushed to contact to drive the connecting plate to contact and enable the friction plates to be tightly attached to the shaft piece, the locking sleeve is pushed to contact with the connecting plate, the limiting rod is pulled to move towards the direction away from the locking screw rod, the limiting rod drives the mounting plate to be separated from the connecting plate, the spring is stressed and deformed, the clamping end of the limiting rod is immersed into the connecting plate, then the locking screw rod is pushed to penetrate through the locking sleeve and the connecting plate, the locking nut is screwed to tightly press the locking sleeve, the limiting rod is loosened, the spring is restored to deform to pull the limiting rod to clamp the limiting groove, the limiting treatment of the locking screw rod is completed, the shaking problem of the locking screw rod is avoided, when the friction plates need to be replaced, the two coupling bodies can be detached firstly, the clamping rod is pulled to move towards the direction away from the mounting rod, the shifting ring atress slides along second circular slot inner wall, and elasticity gasbag atress deformation finally makes the joint end of kelly submerge the second circular slot, can pull the friction disc and break away from the shaft coupling body to drive the installation pole and break away from the shaft coupling body, can change the friction disc of damage.

The beneficial effects of the utility model reside in that: this scheme is through locking screw, lock nut's cooperation is used, can consolidate the locking to the lock sleeve, in order to improve the locking effect of shaft coupling body counter shaft spare, and at the spring, the gag lever post, under the effect of spacing groove, avoid locking screw's not hard up problem, through the setting of friction disc, in order to improve the frictional behavior of shaft coupling body inner wall, move to the direction of keeping away from the installation pole through the pulling kelly, elasticity gasbag atress deformation, make the kelly break away from the installation pole, the people of being convenient for demolish, change the use to the friction disc of wearing and tearing.

Furthermore, the locking screw is connected with a locking nut through threads, the locking nut is in contact with the connecting plate, and the locking sleeve can be reinforced through the arrangement of the locking nut.

Furthermore, the spacing groove is provided with a plurality ofly, and is a plurality of the spacing groove is annular array and arranges on locking screw for the joint of cooperation gag lever post is used through the setting of spacing groove.

Further, fixedly connected with hoop on the gag lever post, through the setting of hoop, the people of being convenient for pull the gag lever post and remove.

Further, the one end and the mounting panel welding of spring, the other end and the guide ring welding of spring, through the setting of spring, can promote the gag lever post and be in the joint state.

Further, a plurality of bumps are fixedly connected to the clamping rod, the bumps are arranged on the clamping rod in an annular array mode, and the clamping rod is convenient to pull by people to move through the arrangement of the bumps.

Further, the one end and the shift ring fixed connection of elasticity gasbag, the other end and the second circular slot fixed connection of elasticity gasbag through the setting of elasticity gasbag, can promote the kelly and be in the joint state.

Drawings

FIG. 1 is a schematic view of a coupling according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1 of the coupling of the present embodiment;

fig. 3 is an enlarged view at B of fig. 1 of the coupling according to the embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the coupling comprises a coupling body 1, a friction plate 2, a connecting plate 3, a locking sleeve 4, a locking screw 5, a locking nut 6, a limiting groove 7, a first circular groove 8, a guide ring 9, a limiting rod 10, an installation plate 11, a spring 12, an installation rod 13, a second circular groove 14, a moving ring 15, a clamping rod 16 and an elastic air bag 17.

As shown in fig. 1-2, the present embodiment provides a coupler, which includes a coupler body 1 and friction plates 2, the coupler body 1 has two parts, two coupler bodies 1 are in contact, each coupler body 1 is fixedly connected with a connecting plate 3, the two connecting plates 3 are in contact, a locking sleeve 4 is slidably sleeved on the outer side of the connecting plate 3, a locking screw 5 is slidably connected in the locking sleeve 4, the locking screw 5 is slidably connected with the connecting plate 3, the locking screw 5 is connected with a locking nut 6 through a thread, the locking nut 6 is in contact with the connecting plate 3, through the arrangement of the locking nut 6, the locking sleeve 4 can be reinforced, the inside of the locking screw 5 is provided with a plurality of limiting grooves 7, and a plurality of spacing grooves 7 are arranged on the locking screw 5 in an annular array, and are used for being matched with the limiting rod 10 for clamping and connecting through the spacing grooves 7.

As shown in fig. 1-2, a first circular groove 8 is formed inside the connecting plate 3, a guide ring 9 is fixedly connected to the inner wall of the first circular groove 8, a limiting rod 10 is slidably connected to the guide ring 9, an iron ring is fixedly connected to the limiting rod 10, the limiting rod 10 is convenient to pull by people to move through the arrangement of the iron ring, the limiting rod 10 is connected with the limiting groove 7 in a clamped mode, a mounting plate 11 is fixedly sleeved outside the limiting rod 10, the mounting plate 11 is in contact with the connecting plate 3, a spring 12 is arranged outside the limiting rod 10, one end of the spring 12 is welded to the mounting plate 11, the other end of the spring 12 is welded to the guide ring 9, and the limiting rod 10 can be pushed to be in a clamped mode through the arrangement of the spring 12.

As shown in fig. 1 and 3, friction disc 2 and the contact of shaft coupling body 1, fixedly connected with installation pole 13 on the friction disc 2, installation pole 13 and shaft coupling body 1 sliding connection, second circular slot 14 has been seted up to shaft coupling body 1's inside, sliding connection has shift ring 15 in the second circular slot 14, fixedly connected with kelly 16 in the shift ring 15, a plurality of bumps of fixedly connected with on the kelly 16, and a plurality of bumps are annular array and arrange on kelly 16, setting through the bump, be convenient for people's pulling kelly 16 to remove, kelly 16 and installation pole 13 joint, the outside of kelly 16 is provided with elasticity gasbag 17, the one end and the shift ring 15 fixed connection of elasticity gasbag 17, the other end and the second circular slot 14 fixed connection of elasticity gasbag 17, setting through elasticity gasbag 17, can promote kelly 16 and be in the joint state.

The utility model discloses the concrete implementation process as follows: the two coupling bodies 1 are pushed to contact with each other to drive the connecting plate 3 to contact with each other, the friction plates 2 are tightly attached to the shaft piece, the locking sleeve 4 is pushed to contact with the connecting plate 3, the limiting rod 10 is pulled to move towards the direction far away from the locking screw 5, the limiting rod 10 drives the mounting plate 11 to be separated from the connecting plate 3, the spring 12 is stressed and deformed, the clamping end of the limiting rod 10 is immersed into the connecting plate 3, the locking screw 5 is pushed to penetrate through the locking sleeve 4 and the connecting plate 3 to fix the locking screw 6 in a threaded manner, so that the locking screw 6 compresses the locking sleeve 4, the limiting rod 10 is loosened, the spring 12 is restored to deform, the limiting groove 7 is pulled to be clamped by the limiting rod 10, the limiting processing on the locking screw 5 is completed, the shaking problem of the locking screw 5 is avoided, when the friction plates 2 need to be replaced, the two coupling bodies 1 can be detached first, through pulling kelly 16 to the direction removal of keeping away from installation pole 13, shift ring 15 atress slides along the 14 inner walls of second circular slot, and elasticity gasbag 17 atress deformation finally makes the joint end of kelly 16 to submerge second circular slot 14, can pull friction disc 2 and break away from shaft coupling body 1 to drive installation pole 13 and break away from shaft coupling body 1, can change the friction disc 2 of damage.

This scheme is through locking screw 5, lock nut 6's cooperation is used, can consolidate the locking to lock sleeve 4, in order to improve the locking effect of 1 counter shaft spares of shaft coupling body, and at spring 12, gag lever post 10, under the effect of spacing groove 7, avoid locking screw 5's not hard up problem, setting through friction disc 2, in order to improve the frictional property of 1 inner wall of shaft coupling body, move to the direction of keeping away from installation pole 13 through pulling kelly 16, elasticity gasbag 17 atress deformation, make kelly 16 break away from installation pole 13, the people of being convenient for demolish wearing and tearing friction disc 2, change the use.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a coupler, includes shaft coupling body and friction disc, its characterized in that: the coupler comprises two coupler bodies which are in contact, each coupler body is fixedly connected with a connecting plate, the two connecting plates are in contact, the outer sides of the connecting plates are slidably sleeved with a locking sleeve, a locking screw is slidably connected in the locking sleeve and is slidably connected with the connecting plates, a limiting groove is formed in the locking screw, a first circular groove is formed in the connecting plates, the inner wall of the first circular groove is fixedly connected with a guide ring, a limiting rod is slidably connected in the guide ring and is clamped with the limiting groove, a mounting plate is fixedly sleeved on the outer side of the limiting rod and is in contact with the connecting plates, a spring is arranged on the outer side of the limiting rod, the friction plate is in contact with the coupler bodies, a mounting rod is fixedly connected on the friction plate and is slidably connected with the coupler bodies, the coupling comprises a coupling body and is characterized in that a second circular groove is formed in the coupling body, a moving ring is connected in the second circular groove in a sliding mode, a clamping rod is fixedly connected in the moving ring and connected with an installation rod in a clamping mode, and an elastic air bag is arranged on the outer side of the clamping rod.

2. The coupling of claim 1, wherein: the locking screw is connected with a locking nut through threads, and the locking nut is in contact with the connecting plate.

3. The coupling of claim 1, wherein: the limiting groove is provided with a plurality of, and is a plurality of the limiting groove is arranged on locking screw rod and is the annular array.

4. The coupling of claim 1, wherein: and the limiting rod is fixedly connected with an iron ring.

5. The coupling of claim 1, wherein: one end of the spring is welded with the mounting plate, and the other end of the spring is welded with the guide ring.

6. The coupling of claim 1, wherein: the clamping rod is fixedly connected with a plurality of salient points, and the salient points are arranged on the clamping rod in an annular array.

7. The coupling of claim 1, wherein: one end of the elastic air bag is fixedly connected with the moving ring, and the other end of the elastic air bag is fixedly connected with the second circular groove.