CN220510898U - Positioning type motor rotating shaft - Google Patents

Abstract

The utility model discloses a positioning motor rotating shaft, which comprises a rotor iron core, wherein a through hole which is arranged in a penetrating way is formed in the rotor iron core, a rotating shaft body is arranged in the through hole, the diameter of the rotating shaft body is matched with the diameter of the through hole, a plurality of grooves are formed in the rotating shaft body, a first spring is fixedly connected to the side wall of each groove, one end of each first spring is fixedly connected with a clamping block, a clamping hole which is arranged in a penetrating way is formed in the clamping block, a plurality of clamping grooves are formed in the through hole, a plurality of inserting rods are connected to the rotor iron core in a sliding way, each inserting rod is arranged in a T shape, and each inserting rod penetrates through the side wall between the rotor iron core and the clamping groove. The utility model improves the positioning convenience of the rotating shaft body and further reduces the weight of the rotating shaft body.

Description

Positioning type motor rotating shaft

Technical Field

The utility model relates to the technical field of motors, in particular to a positioning type motor rotating shaft.

Background

The motor is a device with very wide application in daily life, and the rotating shaft is a common component of which the output end of the motor is connected with other transmission components.

For example, chinese patent application No. 201721053493.0 discloses a positioning motor rotating shaft, which belongs to the motor field and comprises a rotating shaft body, a rotor core, a positioning ring, a positioning groove, a positioning hole, a mounting hole, a fixing hole and a step end face, wherein the rotor core and the positioning ring are arranged on the side face of the rotating shaft body, the positioning groove is further arranged on the side face of the rotating shaft body, the positioning hole and the mounting hole are arranged on the positioning ring, the step end face is arranged on the side face of the rotor core, and the fixing hole is arranged on the step end face. The positioning groove is formed in the rotating shaft body, the positioning ring is additionally arranged in the positioning groove to replace the traditional positioning step to complete the axial positioning of the rotor core, so that the positioning precision of the rotor core is ensured, the quality of the rotating shaft body is reduced, the material consumption is reduced, the production cost is correspondingly reduced, and the practicability is good;

in the scheme, the rotor core and the positioning ring are fixedly connected together through the screws, a plurality of screws are required to be twisted in sequence, and the positioning motor rotating shaft is inconvenient and aims to solve the problems.

Disclosure of Invention

The utility model provides a positioning type motor rotating shaft to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a positioning motor rotating shaft, includes rotor core, the last through-hole that runs through the setting that has offered of rotor core, be equipped with the pivot body in the through-hole, the diameter size of pivot body with the diameter size looks adaptation of through-hole, a plurality of recesses have been seted up on the pivot body, every equal fixedly connected with first spring on the lateral wall of recess, the one end fixedly connected with joint piece of first spring, the joint piece, the joint hole that runs through the setting has been seted up on the joint piece, a plurality of joint grooves have been seted up on the through-hole, sliding connection has a plurality of plug bars on the rotor core, every the plug bar all is T shape setting, every the plug bar all runs through rotor core with lateral wall between the joint groove, every all the cover is equipped with the second spring on the plug bar, the one end fixedly connected with of second spring is in on the lateral wall of plug bar, the other end fixedly connected with of second spring is in on the lateral wall of rotor core.

As a further improvement scheme of the technical scheme: the number of the clamping grooves, the number of the grooves and the number of the plugging-in rods are 4.

As a further improvement scheme of the technical scheme: a cavity is formed in the rotating shaft body.

As a further improvement scheme of the technical scheme: a plurality of reinforcing rods are fixedly connected to the side wall of the cavity, and the longitudinal sections of the reinforcing rods are triangular. .

As a further improvement scheme of the technical scheme: wherein every two plug-in rods are connected together through a connecting rod.

As a further improvement scheme of the technical scheme: the cross section of the clamping block is obliquely arranged.

As a further improvement scheme of the technical scheme: the cross section shape of the clamping block is the same as that of the groove.

Compared with the prior art, the utility model has the beneficial effects that:

can fix a position the pivot body through first recess, first spring, joint piece and joint groove, can fix the joint piece through joint hole, plug rod and second spring, can alleviate the weight of pivot body through the cavity, can strengthen firmly inside the pivot body through the stiffener, and this device has improved the location convenience of pivot body, has further reduced the weight of pivot body.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a front cross-sectional structure of a positioning motor shaft according to the present utility model;

FIG. 2 is a schematic side sectional view of a positioning motor shaft according to the present utility model;

FIG. 3 is a schematic side view of a positioning motor according to the present utility model;

fig. 4 is an enlarged view of a partial structure of a in fig. 1.

In the drawings, the list of components represented by the various numbers is as follows:

1. a rotor core; 2. a through hole; 3. a rotating shaft body; 4. a groove; 5. a first spring; 6. a clamping block; 7. a clamping hole; 8. a clamping groove; 9. inserting a connecting rod; 10. a second spring; 11. a connecting rod; 12. a cavity; 13. and a reinforcing rod.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, in an embodiment of the present utility model, a positioning motor shaft includes a rotor core 1, a through hole 2 is provided on the rotor core 1, a shaft body 3 is provided in the through hole 2, the diameter of the shaft body 3 is adapted to the diameter of the through hole 2, a plurality of grooves 4 are provided on the shaft body 3, a first spring 5 is fixedly connected to a side wall of each groove 4, one end of the first spring 5 is fixedly connected with a clamping block 6, a plurality of clamping grooves 8 are provided on the through hole 2, a plurality of inserting rods 9 are slidably connected to the rotor core 1, each inserting rod 9 is provided in a T-shape, each inserting rod 9 extends through a side wall between the rotor core 1 and the corresponding clamping groove 8, a second spring 10 is sleeved on each inserting rod 9, one end of each second spring 10 is fixedly connected to a side wall of each inserting rod 9, and the other end of each second spring 10 is fixedly connected to a side wall of the rotor core 1.

Referring to fig. 1, the number of the plurality of clamping grooves 8, the number of the plurality of grooves 4 and the number of the plurality of plugging rods 9 are all 4, so that the operation is convenient, and meanwhile, the plurality of fixed plugging rods 9, the plurality of grooves 4 and the plurality of clamping grooves 8 are increased, so that the fixing effect is improved.

Referring to fig. 4, a cavity 12 is formed in the shaft body 3 to reduce the weight of the shaft body 3.

Referring to fig. 1, a plurality of reinforcing rods 13 are fixedly connected to the side walls of the cavity 12, and the longitudinal sections of the reinforcing rods 13 are all triangular, so that the reinforcing rods 13 can increase the firmness of the rotating shaft body 3, and the most stable triangle is achieved.

Referring to fig. 3, two plugging rods 9 are connected together by a connecting rod 11, and the two plugging rods 9 can be moved outwards at a time by the connecting rod 11.

Referring to fig. 4, the cross section of the clamping block 6 is inclined, and the inclined surface acts as a guiding surface to more conveniently squeeze the clamping block 6 into the groove 4.

Referring to fig. 4, the cross-sectional shape of the clamping block 6 is the same as the cross-sectional shape of the groove 4, and the clamping block 6 is limited, so that the clamping block 6 can only move upwards or downwards.

The working principle of the utility model is as follows: when the rotary shaft is used, the positions of the inserting rods 9 at the positions of the clamping blocks 6 are corresponding, one end of the rotary shaft body 3, which is far away from the groove 4, passes through the end, which is provided with the inserting rods 9, of the rotor core 1, the inclined surface of the clamping block 6 moves into the groove 4 under the extrusion force, the first springs 5 are compressed under the force, when the rotary shaft is moved to the positions of the corresponding clamping grooves 8, the inserting rods 9 move into the clamping grooves 8 under the action of the elastic force of the first springs 5 and simultaneously abut against the inserting rods 9, the clamping blocks 6 are completely moved into the clamping grooves 8, the pulling force of the inserting rods 9 is released, the inserting rods 9 are inserted into the clamping holes 7 under the elastic force of the second springs 10, the clamping blocks 6 are fixed, the rotary shaft body 3 and the rotor core 1 are fixed, the inserting rods 9 are removed from the clamping holes 7 in the same way, and then the rotary shaft body 3 is pushed to the right continuously, so that the rotary shaft body 3 and the rotor core 1 are separated, and the main components are distinguished.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims (7)

1. The utility model provides a locate mode motor shaft, includes rotor core (1), its characterized in that, set up on rotor core (1) and be through-hole (2) that run through the setting, be equipped with pivot body (3) in through-hole (2), the diameter size of pivot body (3) with the diameter size looks adaptation of through-hole (2), a plurality of recesses (4) have been seted up on pivot body (3), every equal fixedly connected with first spring (5) on the lateral wall of recess (4), the one end fixedly connected with joint piece (6) of first spring (5), joint piece (6) have been seted up on joint piece (6) and have been through-hole (7) that set up, a plurality of joint grooves (8) have been seted up on through-hole (2), sliding connection has a plurality of plug rod (9) on rotor core (1), every plug rod (9) all are T shape setting, every plug rod (9) all run through rotor core (1) with joint groove (8) between the lateral wall (10) are in the second lateral wall (10) is in the fixed connection of second side wall (10).

2. A positioning motor spindle according to claim 1, characterized in that the number of the clamping grooves (8), the number of the grooves (4) and the number of the plugging rods (9) are 4.

3. A positioning motor spindle according to claim 1, characterized in that the spindle body (3) is provided with a cavity (12).

4. A positioning motor spindle according to claim 3, characterized in that a plurality of reinforcing bars (13) are fixedly connected to the side wall of the cavity (12), and the longitudinal sections of the reinforcing bars (13) are all triangular.

5. A positioning motor spindle according to claim 1, wherein each two of the plugging rods (9) are connected together by means of a connecting rod (11).

6. A positioning motor spindle according to claim 1, characterized in that the cross section of the clamping block (6) is arranged in an inclined manner.

7. A positioning motor spindle according to claim 1, characterized in that the cross-sectional shape of the snap-fit block (6) is the same size as the cross-sectional shape of the recess (4).