CN216530922U - Motor rotating shaft - Google Patents

Abstract

The utility model provides a motor rotating shaft which comprises a shaft rod, wherein one end of the shaft rod is fixedly connected with a connecting disc, a plurality of gaps for inserting connecting bolts are formed in the annular side surface of the connecting disc, nuts are connected to the connecting bolts in a threaded mode, a limiting strip for limiting the positions of the connecting bolts in the gaps is arranged on one side, facing the nuts, of the gaps, two ends of the limiting strip are respectively inserted into a first limiting groove and a second limiting groove, the first limiting groove and the second limiting groove are symmetrically formed in two parallel side surfaces in the gaps, a jacking piece for preventing the nuts from loosening is installed on one surface, facing the nuts, of the limiting strip, the dismounting efficiency is improved, and the nuts do not need to be completely unscrewed from the connecting bolts.

Description

Motor rotating shaft

Technical Field

The utility model discloses a motor rotating shaft, and belongs to the field of motor accessories.

Background

The motor is a device which is widely applied in daily life, the rotating shaft is a common component for connecting the output end of the motor with other transmission components, a disc body with a belt hole is usually fixed at one end of the rotating shaft, and the disc body is arranged at a required position by utilizing a mode of matching nuts and bolts. Chinese utility model patent with publication number CN207910604U discloses a brushless motor's rotor shaft, and it is described, and the one end of pivot is equipped with the pivot disc, and the equipartition has a plurality of through-hole on the pivot disc, and the through-hole includes two countersunk head bolt holes, four bolt holes and two round holes, and its through-hole is in the encapsulated situation, passes the through-hole with the bolt and nut threaded connection back, when separation nut and bolt, need be completely followed the bolt with the nut and unscrewed, cost more dismantlement time.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the motor rotating shaft to solve the problems in the prior art, and the utility model improves the dismounting efficiency without completely unscrewing the nut from the connecting bolt.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a motor rotating shaft, includes the axostylus axostyle, axostylus axostyle one end fixedly connected with connection pad, set up a plurality of breachs that are used for alternate connecting bolt on the connection pad annular side, threaded connection has the nut on the connecting bolt, the breach is equipped with the spacing strip that is used for restricting connecting bolt position in the breach towards one side of nut, the both ends of spacing strip are inserted respectively in first spacing groove, second spacing inslot, first spacing groove, second spacing groove symmetry are seted up on two parallel sides in the breach, spacing strip is installed towards the one side of nut and is used for the not hard up roof pressure spare of prevention nut.

Further, the jacking part comprises a jacking column, the jacking column is inserted into the guide hole, one end of the jacking column is located on the outer side of the guide hole, the guide hole is formed in the middle of one side of the limiting strip facing the nut, a barrel sleeve fixedly connected with the limiting strip is arranged on one side, deviating from the nut, of the guide hole, one end, far away from the guide hole, of the barrel sleeve is in a closed shape, a spring is arranged in the barrel sleeve, and the other end of the spring is connected with the jacking column.

Furthermore, an internal thread is machined on the inner surface of the barrel sleeve, a threaded column head used for limiting the end position of the spring is connected to the internal thread of the barrel sleeve, and a hexagon socket hole used for being matched with a hexagon socket wrench is formed in the middle of one surface of the threaded column head, which is far away from the spring.

Further, one face, deviating from the hexagon socket, of the threaded column cap is fixedly connected with a ring, and one end, far away from the top pressing column, of the spring extends into the ring.

Furthermore, a storage hole is formed in one surface, facing the spring, of the top pressing column, the storage hole is arranged along the length direction of the top pressing column, and one end, far away from the ring, of the spring extends into the storage hole.

Furthermore, the surface of one end of the barrel sleeve close to the limiting strip is symmetrically and fixedly connected with two reinforcing ribs, and the reinforcing ribs are fixedly connected with the limiting strip.

Furthermore, the first limiting groove and the second limiting groove have the same specification.

The utility model has the beneficial effects that:

1. when the connecting disc is disassembled, the connecting bolt and the nut can be taken out from the notch together after the nut is unscrewed, the nut does not need to be completely unscrewed from the connecting bolt, the disassembling time is shortened, and the disassembling efficiency is improved.

2. When inserting connecting bolt in the breach and screwing up the nut, with the both ends of spacing respectively insert in first spacing groove, second spacing inslot, accomplish the grafting of spacing and connection pad, under the stopping of spacing, prevent that connecting bolt from droing in the breach at will, improve the reliability of installation.

3. Under the effect of spring resilience, prevent that the nut from taking place from passing, improve the stability that nut and connecting bolt are connected.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a motor shaft according to the present invention;

FIG. 2 is a schematic view of an assembly of a connecting disc and a shaft lever in a motor shaft according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a perspective view of a spacing bar in a motor shaft according to the present invention;

FIG. 6 is a schematic view of an assembly of a top pressing column, a spring, a sleeve and a limiting strip in a motor rotating shaft according to the present invention;

FIG. 7 is a perspective view of a threaded stud in a motor shaft according to the present invention;

FIG. 8 is a perspective view of a sleeve in a motor shaft according to the present invention;

in the figure: 1-shaft rod, 2-connecting disc, 3-nut, 4-connecting bolt, 5-notch, 6-first limiting groove, 7-second limiting groove, 8-limiting strip, 9-barrel sleeve, 10-top pressing column, 11-guide hole, 12-storage hole, 13-spring, 14-ring, 15-thread column head and 16-hexagon socket hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a motor shaft, including axostylus axostyle 1, 1 one end fixedly connected with connection pad 2 of axostylus axostyle, set up a plurality of breachs 5 that are used for interlude connecting bolt 4 on the 2 annular side of connection pad, threaded connection has nut 3 on connecting bolt 4, utilize connecting bolt 4 and nut 3 matched with mode to install connection pad 2 when required position department, set up connecting bolt 4 in breach 5, when dismantling connection pad 2, can take out connecting bolt 4 and nut 3 together from breach 5 after unscrewing nut 3, need not unscrew nut 3 from connecting bolt 4 completely, the time of reduction dismantlement, the efficiency of dismantlement is improved.

Referring to fig. 2-4, a limiting strip 8 for limiting the position of the connecting bolt 4 in the notch 5 is arranged on one side of the notch 5 facing the nut 3, two ends of the limiting strip 8 are respectively inserted into the first limiting groove 6 and the second limiting groove 7, the first limiting groove 6 and the second limiting groove 7 are symmetrically arranged on two parallel side surfaces in the notch 5, the first limiting groove 6 and the second limiting groove 7 are identical in specification, when the connecting bolt 4 is inserted into the notch 5 and the nut 3 is screwed, two ends of the limiting strip 8 are respectively inserted into the first limiting groove 6 and the second limiting groove 7, the insertion of the limiting strip 8 and the connecting disc 2 is completed, after the nut 3 is screwed, the position of the limiting strip 8 is limited, at the moment, the connecting bolt 4 is prevented from falling from the notch 5 under the blocking of the limiting strip 8, and the installation reliability is improved.

Referring to fig. 4-6, a top pressing column 10 for preventing the nut 3 from loosening is installed on one side of the limiting strip 8 facing the nut 3, the top pressing column 10 is inserted into the guide hole 11, one end of the top pressing column 10 is located on the outer side of the guide hole 11, the guide hole 11 is formed in the middle position of one side of the limiting strip 8 facing the nut 3, a sleeve 9 fixedly connected with the limiting strip 8 is arranged on one side of the guide hole 11 away from the nut 3, two reinforcing ribs are symmetrically and fixedly connected to the outer surface of one end of the sleeve 9 close to the limiting strip 8, the reinforcing ribs are fixedly connected with the limiting strip 8, the reinforcing ribs improve the mechanical strength of the connection between the sleeve 9 and the limiting strip 8, one end of the sleeve 9 far away from the guide hole 11 is closed, a spring 13 is arranged in the sleeve 9, the other end of the spring 13 is connected with the top pressing column 10, after the nut 3 is screwed, the top pressing column 10 retracts into the guide hole 11 under the extrusion of the nut 3, at the moment, the spring 13 is extruded by the top pressing column 10 to make the spring 13 generate elastic deformation, under the effect of the resilience force of the spring 13, the nut 3 is prevented from transmitting by itself, and the connection stability of the nut 3 and the connecting bolt 4 is improved.

Referring to fig. 6-8, an internal thread is formed on the inner surface of the sleeve 9, a threaded stud 15 for limiting the end position of the spring 13 is connected to the internal thread of the sleeve 9, an internal hexagonal hole 16 for matching with an internal hexagonal wrench is formed in the middle of one surface of the threaded stud 15 facing away from the spring 13, a ring 14 is fixedly connected to one surface of the threaded stud 15 facing away from the internal hexagonal hole 16, one end of the spring 13 away from the plunger 10 extends into the ring 14, the ring 14 limits the position of one end of the spring 13, so that the relative positions of the spring 13 and the threaded stud 15 are kept unchanged, the internal hexagonal wrench is inserted into the internal hexagonal hole 16, then the position of the threaded stud 15 in the sleeve 9 is adjusted by the internal hexagonal wrench, and further, the distance between the threaded stud 15 and the guide hole 11 is increased or decreased, on one hand, the spring 13 with different lengths is conveniently installed in the sleeve 9, and on the other hand, the size of the amount of the extruded shape of the spring 13 is conveniently adjusted, i.e. to adjust the magnitude of the return force of the spring 13.

Referring to fig. 6, a storage hole 12 is formed in a surface of the pressing column 10 facing the spring 13, the storage hole 12 is disposed along a length direction of the pressing column 10, one end of the spring 13, which is far away from the ring 14, extends into the storage hole 12, and one end of the spring 13 extends into the storage hole 12, so as to prevent the spring 13 from being damaged by excessive pressing.

The specific implementation mode is as follows: when the connecting bolt 4 is inserted into the gap 5 and the nut 3 is screwed down, the two ends of the limiting strip 8 are respectively inserted into the first limiting groove 6 and the second limiting groove 7 to complete the insertion of the limiting strip 8 and the connecting disc 2, the connecting bolt 4 is arranged in the gap 5, when the connecting disc 2 is disassembled, the connecting bolt 4 and the nut 3 can be taken out from the gap 5 together after the nut 3 is unscrewed, the nut 3 is not required to be completely unscrewed from the connecting bolt 4, after the nut 3 is screwed down, the top pressing column 10 is retracted into the guide hole 11 under the extrusion of the nut 3, the top pressing column 10 extrudes the spring 13 to enable the spring 13 to generate elastic deformation, the nut 3 is prevented from being transmitted by self under the action of the resilience force of the spring 13, the inner hexagonal wrench is inserted into the inner hexagonal hole 16 before the limiting strip 8 is installed, the position of the threaded column cap 15 in the barrel sleeve 9 is adjusted by the inner hexagonal wrench, and further, the distance between the threaded column cap 15 and the guide hole 11 is increased or reduced, on one hand, the spring 13 with different lengths can be conveniently installed in the barrel sleeve 9, and on the other hand, the size of the extruded deformation quantity of the spring 13, namely the size of the resilience force of the spring 13, can be conveniently adjusted.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims (7)

1. An electric machine shaft comprising a shaft rod (1), characterized in that: the connecting disc (2) is fixedly connected to one end of the shaft rod (1), a plurality of notches (5) used for penetrating the connecting bolts (4) are formed in the annular side face of the connecting disc (2), nuts (3) are connected to the connecting bolts (4) in a threaded mode, limiting strips (8) used for limiting the positions of the connecting bolts (4) in the notches (5) are arranged on one sides of the notches (5) facing the nuts (3), the two ends of each limiting strip (8) are inserted into a first limiting groove (6) and a second limiting groove (7) respectively, the first limiting grooves (6) and the second limiting grooves (7) are symmetrically formed in the two parallel side faces of the notches (5), and jacking pieces used for preventing the nuts (3) from loosening are installed on one faces of the limiting strips (8) facing the nuts (3).

2. A motor shaft according to claim 1, wherein: the jacking piece includes jacking post (10), jacking post (10) are inserted in guiding hole (11) and jacking post (10) one end is in the guiding hole (11) outside, guiding hole (11) are seted up in spacing (8) towards the one side middle part position of nut (3), one side that guiding hole (11) deviate from nut (3) is equipped with barrel casing (9) with spacing (8) fixed connection, the one end that guiding hole (11) were kept away from in barrel casing (9) is for sealing the form, be equipped with spring (13) in barrel casing (9), jacking post (10) is connected to spring (13) other end.

3. A motor shaft according to claim 2, wherein: the inner surface of the barrel sleeve (9) is provided with an internal thread, the internal thread of the barrel sleeve (9) is connected with a thread column cap (15) used for limiting the end position of the spring (13), and a hexagon socket hole (16) used for being matched with a hexagon socket wrench is formed in the middle position of one surface of the thread column cap (15) departing from the spring (13).

4. A motor shaft according to claim 3, wherein: one surface of the threaded column head (15) departing from the inner hexagonal hole (16) is fixedly connected with a ring (14), and one end, far away from the top compression column (10), of the spring (13) extends into the ring (14).

5. A machine shaft according to claim 4, characterized in that: one surface of the top pressing column (10) facing the spring (13) is provided with a storage hole (12), the storage hole (12) is arranged along the length direction of the top pressing column (10), and one end, far away from the ring (14), of the spring (13) extends into the storage hole (12).

6. A motor shaft according to claim 2, wherein: the surface of one end of the barrel sleeve (9) close to the limiting strip (8) is symmetrically and fixedly connected with two reinforcing ribs, and the reinforcing ribs are fixedly connected with the limiting strip (8).

7. A motor shaft according to claim 1, wherein: the first limiting groove (6) and the second limiting groove (7) are the same in specification.

Images