CN210157024U

CN210157024U - Permanent magnet motor spindle external connection structure

Info

Publication number: CN210157024U
Application number: CN201921162791.2U
Authority: CN
Inventors: 董敬元; 吴数; 年维林
Original assignee: Tianjin Lin Yuan Machinery Equipment Co Ltd
Current assignee: Tianjin Lin Yuan Machinery Equipment Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-03-17
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses an external structure of permanent-magnet machine main shaft, including the center pillar, center pillar top outer wall both sides department and bottom outer wall both sides department all open the draw-in groove, and the equal joint in center pillar top and bottom has the spliced pole, the spliced pole is close to the one side outer wall of center pillar and is equipped with the fixture block with draw-in groove looks adaptation, spliced pole outer wall center department opens there is the through-hole, and the through-hole inner wall opens there is the fixed slot, the spliced pole is kept away from the one side outer wall connection of center pillar and is had the top piece, and top piece outer wall center department opens there is the centre bore, the centre bore inner wall is opened there is the mounting groove, center pillar, spliced pole and top piece outer wall all open the fixed. The utility model discloses it is bigger to compare the moment of torsion limit that traditional connecting piece can bear, and life is longer, compares traditional axis body fixed mode safe and reliable more, and the practicality is strong.

Description

Permanent magnet motor spindle external connection structure

Technical Field

The utility model relates to the technical field of motors, especially, relate to an external structure of permanent-magnet machine main shaft.

Background

The wording motor is a common motor in industrial production and daily life, permanent magnet motor's main shaft is connected with the pivot of other equipment often and need be connected with the help of the connecting piece, the connecting piece that now often uses is partly to constitute two parts, partly cup joints on permanent magnet motor's main shaft, another part cup joints in the equipment pivot, two parts are through the bolt fastening, such connecting piece carries out torque transmission through the bolt in fact, and the moment of torsion that the bolt can bear as the mounting is very limited, in addition, most is fixed through the extrusion force of screw between these connecting pieces and the axle, this kind of fixed mode also very easily becomes flexible under long-time high-speed rotation operating mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an external connection structure of a permanent magnet motor spindle.

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

the utility model provides an external structure of permanent-magnet machine main shaft, includes the center pillar, the draw-in groove has all been opened in center pillar top outer wall both sides department and bottom outer wall both sides department, and the equal joint in center pillar top and bottom has the spliced pole, the spliced pole is close to one side outer wall of center pillar and is equipped with the fixture block with draw-in groove looks adaptation, spliced pole outer wall center department opens there is the through-hole, and the through-hole inner wall opens there is the fixed slot, the spliced pole is kept away from one side outer wall of center pillar and is connected with top piece, and top piece outer wall center department opens there is the centre bore, the mounting groove has been opened to the centre bore inner wall, center pillar, spliced pole and top piece outer.

Preferably, the outer wall of one end of the connecting rod is provided with threads, the threads are connected with a nut in a threaded manner, and the other end of the connecting rod is provided with a rod head.

Preferably, the center of the outer wall of the top and the bottom of the center pillar is provided with a circular groove, and the specification of the circular groove is matched with that of the through hole.

Preferably, the specification of fixed slot and the specification looks adaptation of mounting groove, fixed slot and mounting groove just misplace the setting.

Preferably, the connecting column and the clamping block are of a metal material integrally formed structure.

Preferably, the connecting rod and the rod head are of a metal material integrated structure, and the outer walls of the rod head and the screw cap are both provided with anti-skidding grooves.

The utility model has the advantages that:

1. through the setting of center pillar, spliced pole and fixture block for in fact carry out torque transmission through the face extrusion stress of fixture block and draw-in groove between motor spindle and the equipment pivot, torque limit that traditional connecting piece can bear is bigger in such torque transmission way, and life is longer.

2. Through the setting of top piece and middle post, realize clicking the spacing fixed of main shaft and equipment pivot, compare the fixed mode safe and reliable more that the extrusion formed the extrusion force between traditional screw tip and the axis body, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of an external connection structure of a permanent magnet motor spindle according to the present invention;

fig. 2 is the utility model provides a spliced pole structural schematic of permanent-magnet machine main shaft external connection structure.

In the figure: the novel golf club head comprises a center column 1, a clamping groove 2, a connecting column 3, a clamping block 4, a through hole 5, a fixing groove 6, a top plate 7, a center hole 8, a fixing hole 9, a circular groove 10, a connecting rod 11, a thread 12, a nut 13, a club head 14 and a connecting hole 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an external connection structure of a permanent magnet motor spindle comprises a center pillar 1, wherein clamping grooves 2 are respectively arranged at two sides of the outer wall of the top of the center pillar 1 and two sides of the outer wall of the bottom of the center pillar 1, connecting pillars 3 are respectively clamped at the top and the bottom of the center pillar 1, a clamping block 4 matched with the clamping grooves 2 is arranged on the outer wall of one side of the connecting pillar 3 close to the center pillar 1, a through hole 5 is arranged at the center of the outer wall of the connecting pillar 3, a fixing groove 6 is arranged on the inner wall of the through hole 5, a top plate 7 is connected to the outer wall of one side of the connecting pillar 3 far away from the center pillar 1, a central hole 8 is arranged at the center of the outer wall of the top plate 7, mounting grooves are arranged on the inner walls of the central hole 8, fixing holes 9 which are distributed equidistantly are arranged on, center pillar 1 top and bottom outer wall center department all open circular slot 10, the specification of circular slot 10 and the specification looks adaptation of through-hole 5, the specification of fixed slot 6 and the specification looks adaptation of mounting groove, fixed slot 6 and mounting groove dislocation set, spliced pole 3 and fixture block 4 are metal material integrated into one piece structure, connecting rod 11 is metal material integrated into one piece structure with pole head 14, and pole head 14 all opens with nut 13 outer wall has the antiskid groove.

The working principle is as follows: all can set up the lug on the outer wall of general motor spindle and equipment pivot, now overlap two top sheets 7 respectively in motor spindle and equipment pivot, the specification of mounting groove here is the same with the lug, then overlap motor spindle and equipment pivot respectively in the through-hole 5 of two spliced poles 3, the lug card is in fixed slot 6, later with two spliced poles 3 cards at 1 both ends of center pillar again, install connecting rod 11 at last and can realize connecting, before erection joint 11, make mounting groove and fixed slot 6 be located the dislocation state.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an external structure of permanent magnet motor main shaft, includes center pillar (1), its characterized in that, center pillar (1) top outer wall both sides department and bottom outer wall both sides department all open draw-in groove (2), and center pillar (1) top and bottom all joint have spliced pole (3), the spliced pole (3) is close to one side outer wall of center pillar (1) and is equipped with fixture block (4) with draw-in groove (2) looks adaptation, spliced pole (3) outer wall center department opens has through-hole (5), and through-hole (5) inner wall opens has fixed slot (6), the one side outer wall that center pillar (1) was kept away from in spliced pole (3) is connected with top sheet (7), and top sheet (7) outer wall center department opens and has centre bore (8), the mounting groove has been opened to centre bore (8) inner wall, center pillar (1), spliced pole (3) and top sheet (7) outer wall all open fixed, and the same connecting rod (11) is inserted into the fixing hole (9) positioned on the same vertical line.

2. The permanent magnet motor spindle circumscribed structure of claim 1, wherein the outer wall of one end of the connecting rod (11) is provided with a thread (12) and a nut (13) is screwed on the thread, and the other end of the connecting rod (11) is provided with a rod head (14).

3. The permanent magnet motor spindle external connection structure according to claim 1, wherein circular grooves (10) are formed in the centers of the top and bottom outer walls of the center pillar (1), and the specifications of the circular grooves (10) are matched with those of the through holes (5).

4. The permanent magnet motor spindle external connection structure according to claim 1, wherein the specification of the fixing groove (6) is matched with that of the mounting groove, and the fixing groove (6) and the mounting groove are arranged in a staggered manner.

5. The permanent magnet motor spindle external connection structure according to claim 1, wherein the connection post (3) and the fixture block (4) are integrally formed by metal.

6. The permanent magnet motor spindle circumscribed structure of claim 2, wherein the connecting rod (11) and the rod head (14) are integrally formed of metal, and the outer walls of the rod head (14) and the nut (13) are provided with anti-slip grooves.