CN219576784U - Motor shaft with ladder structure - Google Patents

Abstract

The utility model relates to the technical field of motor shafts and discloses a motor shaft with a stepped structure. The motor shaft with the step structure comprises a motor shaft body, an abutting block and a jacking mechanism; the abutting block is hinged on the outer wall of the connecting end of the motor shaft body; the jacking mechanism comprises a slip ring and a support rod; the slip ring is slidably arranged on the outer wall of the motor shaft body; one end of the supporting rod is hinged with the slip ring, and the other end of the supporting rod is hinged with the supporting rod; when the slip ring moves along the direction close to the connecting end of the motor shaft body, the traction support rod deflects to jack up the abutting block to deflect along the outer side. By the aid of the device, the motor shaft body can be quickly disassembled on the premise of no assistance of instruments, the operation is simpler, and the disassembling speed of the motor shaft body is effectively improved.

Description

Motor shaft with ladder structure

Technical Field

The embodiments of the utility model belong to the technical field of motor shafts, and particularly relate to a motor shaft with a stepped structure.

Background

The strength and rigidity of the rotating shaft in the motor are guaranteed, and when the motor operates, the form of mechanical force and moment applied to the rotating shaft varies with the type of the motor and the different types of transmission mechanisms. The acting force mainly comprises the gravity of the rotor assembly, unidirectional magnetic pulling force caused by rotor eccentricity and centrifugal force of unbalanced weight. The shaft extension end is mechanically acted on the shaft by a transmission to carry the torque of the load and the like. The shaft of the motor should have enough strength at first to ensure that the motor does not generate residual deformation or damage in the working state and the processing center shaft; meanwhile, the rotating shaft has enough rigidity, namely, the deflection of the shaft must be within an allowable range when the rotating shaft works.

The prior patent application number CN202121599519.8 proposes a motor shaft, through being provided with the clamp splice for when dismantling the motor shaft, utilize the instrument to rotate the screw rod, under screw-thread fit effect, with traction movable block upwards remove, and then drive fixed block and clamp splice and carry out synchronous movement, realize the quick dismantlement of motor shaft. However, the device has certain defects, such as the need of auxiliary operation by means of tools, and when the motor shaft needs to be maintained or replaced in time, the disassembly can be completed only by searching for a specific tool, so that certain inconvenience is brought to the disassembly.

Accordingly, the present utility model proposes a motor shaft of a stepped structure to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the motor shaft with the ladder structure, so that the rapid disassembly of the motor shaft can be realized without the aid of instruments.

In order to solve the technical problems, the technical scheme of the motor shaft with the stepped structure provided by the embodiment of the utility model is as follows:

the motor shaft with the ladder structure comprises a motor shaft body, an abutting block and a jacking mechanism;

the abutting block is hinged to the outer wall of the connecting end of the motor shaft body;

the jacking mechanism comprises a slip ring and a support rod;

the slip ring is slidably arranged on the outer wall of the motor shaft body;

one end of the supporting rod is hinged with the slip ring, and the other end of the supporting rod is hinged with the supporting rod;

when the slip ring moves along the direction close to the connecting end of the motor shaft body, the support rod is pulled to deflect so as to jack up the abutting block to deflect along the outer side.

In a preferred embodiment of any of the foregoing aspects, the outer wall of the motor shaft body is provided with a groove;

the abutting block is rotatably arranged in the groove;

the supporting rod is positioned in the groove and below the abutting block;

when the slip ring moves along the direction close to the connecting end of the motor shaft body, the abutting block is exposed out of the groove.

In a preferred embodiment of any of the foregoing aspects, the jacking mechanism further includes an L-shaped connecting rod;

the L-shaped connecting rod is fixedly arranged on the inner wall of the slip ring, and one end of the L-shaped connecting rod extends through the groove and is hinged with the supporting rod.

In a preferred embodiment of any of the foregoing aspects, the jacking mechanism further comprises a threaded ring;

the thread ring is arranged on the outer wall of the motor shaft body in a threaded manner and is rotationally connected with the slip ring.

In a preferred embodiment of any of the foregoing aspects, a top wall of the groove is provided with a stepped groove, so that the abutment block abuts against the stepped groove when no external force is applied.

In a preferred embodiment of any of the foregoing, a sealing gasket is disposed within the stepped groove.

In a preferred embodiment of any of the foregoing aspects, the upper surface of the abutment block is provided with an arc shape, and the arc curvature is the same as the arc curvature of the connecting end of the motor shaft body.

Compared with the prior art, the motor shaft with the stepped structure has the following technical effects:

through setting up sliding ring, bracing piece and butt piece, when the sliding ring moves along being close to motor shaft body link, can deflect the butt piece with waiting to be connected with the connecting piece, reach the purpose of quick installation, and when need dismantling the motor shaft body, only need the manual work reverse to stir the sliding ring and can accomplish the motor shaft body and wait the quick separation of connecting piece, the operation is simpler to realize also can accomplish the motor shaft body and wait the quick dismantlement of connecting piece under the prerequisite of need not with the help of the apparatus.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and without limitation to the utility model. Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar components or component parts, and it should be understood by those skilled in the art that the drawings are not necessarily drawn to scale, in which:

FIG. 1 is a schematic view of a motor shaft with a stepped structure according to the present utility model in a normal state;

FIG. 2 is a schematic view of the motor shaft of the stair structure of the present utility model;

fig. 3 is a sectional view showing the structure of the motor shaft of the step structure of the present utility model when it is installed.

Reference numerals:

1. a motor shaft body; 2. an abutment block; 3. a jacking mechanism; 31. a slip ring; 32. a support rod; 33. an L-shaped connecting rod; 34. a threaded ring; 4. a groove; 41. a stepped groove.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. It is to be understood that the described embodiments are merely embodiments of a part of the utility model, not an entire part. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The motor shaft with the stepped structure according to the following embodiments of the present utility model will be described in detail as an example, but the present utility model is not limited to the scope of the present utility model.

Examples

As shown in fig. 1 to 3, an embodiment of the present utility model provides a motor shaft of a stepped structure, which includes a motor shaft body 1, an abutment block 2, and a jacking mechanism 3.

The abutting block 2 is hinged to the outer wall of the connecting end of the motor shaft body 1.

The jacking mechanism 3 comprises a slip ring 31 and a support rod 32; the slip ring 31 is slidably mounted on the outer wall of the motor shaft body 1; one end of the support rod 32 is hinged with the slip ring 31, and the other end is hinged with the support rod 32.

When the slip ring 31 moves in a direction approaching the connecting end of the motor shaft body 1, the support rod 32 is pulled to deflect so as to jack up the abutting block 2 to deflect along the outer side.

To sum up, this device is through the removal of sliding ring 31, the deflection of control bracing piece 32 to jack-up butt piece 2 is protruding along the outside, and then makes butt piece 2 joint in the inside of waiting the connecting piece, in order to realize quick mounting's function, when need dismantle motor shaft body 1, only need reverse stir can make butt piece 2 with wait the separation of connecting piece, make motor shaft body 1 under the prerequisite that need not the apparatus to assist, also can reach quick dismantlement's function.

Further, when the abutting block 2 is clamped inside the to-be-connected member, the slip ring 31 can be abutted against the outer wall of the to-be-connected member, and in order to further enhance the stability of connection, a magnet capable of being mutually attracted can be arranged between the slip ring 31 and the to-be-connected member so as to resist the transverse acting force generated on the slip ring 31 when the motor shaft body 1 is driven.

In order to enable the abutting block 2 to be smoothly disassembled into the inside of the to-be-connected piece, the outer wall of the motor shaft body 1 is provided with a groove 4; the abutting block 2 is rotatably arranged inside the groove 4; the support rod 32 is located inside the groove 4 and below the abutment block 2.

When the slip ring 31 moves along the direction close to the connecting end of the motor shaft body 1, the abutting block 2 is exposed to the outside of the groove 4, as shown in fig. 1, when the slip ring 31 is not subjected to external force, the slip ring 31 can be hidden in the groove 4, so that the slip ring can smoothly enter the inside of the to-be-connected piece with the connecting end of the motor shaft body 1.

Further, the upper surface of the abutting block 2 is arc-shaped, and the arc-shaped curvature is the same as the arc-shaped curvature of the connecting end of the motor shaft body 1, namely, the situation that the abutting block 2 is in a normal state and bulges and the like cannot occur is ensured, and the stability of the motor shaft body 1 and the to-be-connected piece in plug-in connection is further ensured.

In addition, the top wall of the groove 4 is provided with a stepped groove 41, so that the abutting block 2 abuts against the stepped groove 41 when not subjected to external force, namely, the groove 4 is sealed through the abutting block 2, so that dust or impurities are prevented from entering the groove 4, and interference is caused to the supporting rod 32.

Wherein a sealing gasket (not shown) is provided in the stepped groove 41.

In other embodiments, to ensure that the slip ring 31 can drive the support rod 32 inside the recess 4.

The jacking mechanism 3 further comprises an L-shaped connecting rod 33; the L-shaped connecting rod 33 is fixedly mounted on the inner wall of the slip ring 31, and one end of the L-shaped connecting rod extends through the groove 4 and is hinged with the support rod 32, i.e. the slip ring 31 and the support rod 32 are connected together so as to drive the abutting block 2 to deflect.

Furthermore, in other embodiments, the jacking mechanism 3 further comprises a threaded ring 34; the thread ring 34 is installed on the outer wall of the motor shaft body 1 in a threaded manner, and is rotationally connected with the slip ring 31, the slip ring 31 is driven to axially move by the rotation of the thread ring 34, and the self-locking performance exists when the thread ring 34 rotates, so that the clamping effect between the abutting block 2 and the to-be-connected piece can be further improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The motor shaft with the stepped structure is characterized by comprising a motor shaft body (1), an abutting block (2) and a jacking mechanism (3);

the abutting block (2) is hinged to the outer wall of the connecting end of the motor shaft body (1);

the jacking mechanism (3) comprises a slip ring (31) and a supporting rod (32);

the slip ring (31) is slidably arranged on the outer wall of the motor shaft body (1);

one end of the supporting rod (32) is hinged with the slip ring (31), and the other end of the supporting rod is hinged with the supporting rod (32);

when the slip ring (31) moves along the direction close to the connecting end of the motor shaft body (1), the support rod (32) is pulled to deflect so as to jack up the abutting block (2) to deflect along the outer side.

2. The motor shaft of claim 1, wherein: the outer wall of the motor shaft body (1) is provided with a groove (4);

the abutting block (2) is rotatably arranged in the groove (4);

the supporting rod (32) is positioned in the groove (4) and below the abutting block (2);

when the slip ring (31) moves along the direction close to the connecting end of the motor shaft body (1), the abutting block (2) is exposed out of the groove (4).

3. The motor shaft of claim 2, wherein: the jacking mechanism (3) further comprises an L-shaped connecting rod (33);

the L-shaped connecting rod (33) is fixedly arranged on the inner wall of the slip ring (31), and one end of the L-shaped connecting rod extends through the groove (4) and is hinged with the supporting rod (32).

4. A motor shaft of a stair construction according to claim 3, wherein: the jacking mechanism (3) further comprises a threaded ring (34);

the thread ring (34) is arranged on the outer wall of the motor shaft body (1) in a threaded manner and is rotationally connected with the slip ring (31).

5. The motor shaft of claim 2, wherein: the top wall of the groove (4) is provided with a stepped groove (41), so that the abutting block (2) abuts against the stepped groove (41) when no external force is applied.

6. The motor shaft of claim 5, wherein: a sealing gasket is arranged in the stepped groove (41).

7. The motor shaft of claim 1, wherein: the upper surface of the abutting block (2) is arc-shaped, and the arc-shaped curvature is the same as the arc-shaped curvature of the connecting end of the motor shaft body (1).