CN217761772U

CN217761772U - Device for quickly disassembling conical surface coupler

Info

Publication number: CN217761772U
Application number: CN202221716951.5U
Authority: CN
Inventors: 王春宝; 李亚平
Original assignee: Longkou Longji Three Pumps Co ltd
Current assignee: Longkou Longji Three Pumps Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-08
Anticipated expiration: 2032-07-06

Abstract

The utility model belongs to the field of mechanical equipment, in particular to a device for quickly disassembling a conical surface coupler, which comprises a coupler body, a nut, a stop block and an elastic retainer ring, wherein the coupler body is hollow, and the elastic retainer ring for holes, a guide hole and a conical surface hole are sequentially arranged; the nut is in small clearance fit with the inner wall of the coupler body through the guide hole, and the nut freely slides in the coupler body along the axial direction; one end of the nut is arranged on the outer side of the elastic check ring, the other end of the nut penetrates through the elastic check ring and is located on one side of the guide hole, one end of the check block is located on the inner side of the elastic check ring, the other end of the check block is located on one side of the end, extending into the guide hole, of the nut, and the check block and the end, extending into the guide hole, of the nut form a limiting surface. The utility model discloses simple structure dismantles light fast, and the protection cooperation surface is not destroyed simultaneously, has very strong practicality.

Description

Device for quickly disassembling conical surface coupler

Technical Field

The utility model belongs to the mechanical equipment field, concretely relates to dismantle conical surface coupling device fast.

Background

In the design of a transmission structure, the conical interference connection structure is simple, the centering precision is good, the conical interference connection structure can bear torque and axial force, the conical interference connection structure works reliably, and the conical interference connection structure is applied more generally. In the occasion of needing to be disassembled for many times, more conical surfaces pressed by nuts are used for interference connection, when the taper of the matching surface is small, the required axial force is small, but the disassembly is not easy, the connecting piece needs to be knocked by a hammer for many times for disassembly, the containing piece is separated from the contained piece manually, the precision of the combining surface is reduced, the labor intensity is high, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides a dismantle conical surface shaft coupling device fast, simple structure can the high-speed joint moreover, dismantle and hold piece and by the containment piece, dismantles the process moreover and prevents that the conical surface from damaging, improves production efficiency, and it is convenient to use, reduces intensity of labour.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a dismantle conical surface coupling device fast, its special character lies in: the coupler comprises a coupler body 1, a nut 2, a stop block 3 and an elastic retainer ring 4, wherein the coupler body 1 is hollow, and the elastic retainer ring 4 for holes, a guide hole 6 and a conical hole 5 are sequentially arranged in the coupler body 1; the nut 2 is in small clearance fit with the inner wall of the coupler body 1 through the guide hole 6, and the nut 2 freely slides in the coupler body 1 along the axial direction; one end of the nut 2 is arranged on the outer side of the elastic check ring 4, the other end of the nut passes through the elastic check ring 4 and is positioned on one side of the guide hole 6, one end of the check block 3 is positioned on the inner side of the elastic check ring 4, the other end of the check block is positioned on one side of the end, extending into the guide hole 6, of the nut 2, and the check block 3 and the end, extending into the guide hole 6, of the nut 2 form a limiting surface 10.

Furthermore, the connection between the conical surface hole 5 and the guide hole 6 is a pressing surface 9, the size of the conical surface hole 5 is smaller than that of the guide hole 6, and the pressing surface 9 and the elastic retainer groove 8 are arranged.

Further, the inner wall of the coupler body 1 is symmetrically provided with stop block holes 7, and a stop block 3 is arranged in each stop block hole 7.

Furthermore, a retainer ring groove 8 is formed in the inner wall of the coupler body 1, and the elastic retainer ring 4 is installed in the retainer ring groove 8.

Further, the inner part of the conical surface hole 5 is a conical surface.

Compared with the prior art, the utility model, its useful part lies in:

during connection, the axial displacement of the coupler body and the crankshaft is generated through the nut and the pressing surface, and interference combination is obtained at the conical surface. When dismantling, because the conical surface is interference fit this moment, need the axial force to make both separations, use air wrench to loosen the nut, the nut axial displacement right forms spacing face through dog right-hand member face and hole circlip, and the axial force that the screw thread was right transmits shaft coupling body conical surface department, makes shaft coupling body and bent axle separation at once, the utility model discloses simple structure dismantles lightly fast, and the protection mating surface is not destroyed simultaneously, has very strong practicality.

Drawings

Fig. 1 is a schematic view of the structure of the main viewing direction of the present invention.

Description of the labeling: 1. the coupler comprises a coupler body, 2, a nut, 3, a stop block, 4, an elastic retainer ring, 5, a conical hole, 6, a guide hole, 7, a stop block hole, 8, a stop ring groove, 9, a pressing surface, 10, a limiting surface, 11 and a crankshaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.

Example 1

The device for quickly disassembling the conical surface coupler in the embodiment comprises a coupler body 1, a nut 2, a stop block 3 and a circlip 4 for a hole.

In the present embodiment, the directions explained with reference to the drawings, such as up, down, left, right, front, back, front, and back, are for convenience of description. The shaft coupling comprises a shaft coupling body 1, and is characterized in that a guide hole 6, a pressing surface 9 and a conical surface hole 5 are sequentially arranged in the shaft coupling body 1 from left to right, the shaft coupling body 1 is hollow, the aperture of the guide hole 6 is larger than that of the conical surface hole 5, the shape and size of the conical surface hole 5 are matched with those of a crankshaft to be mounted, the pressing surface 9 is formed at the joint of the guide hole 6 and the conical surface hole 5, and the conical surface is arranged inside the conical surface hole 5.

In the coupler body 1, the nut 2 is in small-clearance fit with the coupler body through the guide hole 6; the inner wall symmetry of the shaft coupling body 1 around the nut 2 is provided with a stop block hole 7, a stop block 3 is installed in each stop block hole 7, the left side of the stop block 3 is provided with an elastic check ring 4, the right side of the stop block is provided with the right end of the nut 2, the left end of the nut 2 is arranged on the left side of the elastic check ring 4, a limiting surface 10 is formed between the right ends of the stop block 3 and the nut 2, and the nut 2 can freely slide along the axial direction in the space between the stop block 3 and the pressing surface 9.

A retainer ring groove 8 is formed in the inner wall of the coupler body 1, and the elastic retainer ring 4 is installed in the retainer ring groove 8.

After assembly, the right end face of the stop block 3 forms a limiting face 10 by means of the elastic retainer ring 4.

During the use, install bent axle 11 in shaft coupling body 1, bent axle 11's left end is run through nut 2 and is located guiding hole 6, and the right-hand member stretches out conical surface hole 5.

During connection, the nut 2 is matched with the pressing surface 9, so that the coupling body 1 and the crankshaft 2 generate axial displacement, and the crankshaft 2 is in interference fit with the conical surface of the conical surface hole 5. When the device is disassembled, the conical surfaces are in interference fit, and the conical surfaces need axial force to separate the conical surfaces from the conical surfaces. The pneumatic wrench loosens the nut 2, the nut 2 axially moves rightwards, a limiting surface 10 is formed between the right end face of the stop dog 3 and the elastic check ring 4 for the hole, the right axial force of the thread is transmitted to the conical surface of the coupler body 1, the coupler body 1 is separated from a crankshaft immediately, the structure is simple, the disassembly is quick and convenient, the matching surface is protected from being damaged, and the practicability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes a separate embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole and the embodiments may be suitably combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. The utility model provides a dismantle conical surface coupling device fast which characterized in that:

the coupler comprises a coupler body (1), a nut (2), a stop block (3) and an elastic retainer ring (4), wherein the coupler body (1) is hollow, and the elastic retainer ring (4), a guide hole (6) and a conical hole (5) for holes are sequentially arranged in the coupler body; the nut (2) is in small clearance fit with the inner wall of the coupler body (1) through the guide hole (6), and the nut (2) freely slides in the coupler body (1) along the axial direction; one end of the nut (2) is arranged on the outer side of the elastic check ring (4), the other end of the nut passes through the elastic check ring (4) and is positioned on one side of the guide hole (6), a stop block (3) is arranged between the elastic check ring (4) and the nut (2), and the stop block (3) and the end of the nut (2) extending into the guide hole (6) form a limiting surface (10).

2. A quick release conical surface coupling device according to claim 1, wherein:

the connecting part between the conical surface hole (5) and the guide hole (6) is a pressing surface (9), and the size of the conical surface hole (5) is smaller than that of the guide hole (6).

3. A quick disconnect conical surface coupling device as defined in claim 2 wherein:

the inner wall of the coupler body (1) is symmetrically provided with stop block holes (7), and a stop block (3) is arranged in each stop block hole (7).

4. A quick release conical surface coupling device according to claim 3, wherein:

a retainer ring groove (8) is formed in the inner wall of the coupler body (1), and the elastic retainer ring (4) is installed in the retainer ring groove (8).

5. A quick disconnect conical surface coupling device as defined in claim 4 wherein:

the inner part of the conical surface hole (5) is a conical surface.