CN209402306U - Structure improved motor rear end plate - Google Patents

Abstract

The utility model provides a kind of structure improved motor rear end plate, belongs to motor field.This structure improved motor rear end plate includes tubbiness ontology, and ontology front end is open, and ontology rear end face has axially penetrated through multiple air inlets along ontology, and cylinder, cylinder and ontology are cased with outside ontology front end and is detachably connected by screw thread；Tube body is equipped in ontology, tube body front end is cased with bearing, and bearing includes inner ring and outer ring, and inner ring and tube body are connected, and integrally formed with pressure ring on barrel front end inner sidewall, bearing outer ring clamping is located between inner body wall and pressure ring, and tube body rear end is fixed with flabellum；Tube body inner sidewall is equipped with spline, and spline is at least circumferentially uniformly distributed there are two and along tube body, and spline slot length is axially extending along tube body, and spline front of the slot extends to tube body front end face；The baffle made of filtering cotton material is adhesively fixed in inner body wall, baffle is between flabellum and air inlet, and baffle covers all air inlets.The utility model facilitates installation.

Description

Structure improved motor rear end plate

Technical field

The utility model belongs to motor field, is related to a kind of motor, especially a kind of structure improved motor rear end Lid.

Background technique

The rear end cap of the special home motor of enterprise's motor produced generally uses ironcasting at present, and outer circle is equipped with solid To install motor fan cover, motor is assemblied on rear end cap and by carrying out bolt fastening, then exists fixed positioning lug Radiating vane is installed in motor rotary shaft end, finally loads onto motor fan cover.

The production of motor at present generally uses base parts and components buying, kernel component to assemble this from production and finished product Three parts composition.And for finished product assembling enterprise for, above-mentioned fan housing, radiating vane and rear end cap there are assembling steps compared with Problem more, assembling is relatively complicated.

Utility model content

The purpose of this utility model is the presence of the above problem in view of the prior art, is proposed a kind of structure improved electronic The technical issues of machine rear end cap, solution is how motor to be facilitated to assemble.

The purpose of this utility model can be realized by the following technical scheme: structure improved motor rear end plate, including In the ontology of tubbiness, ontology front end is in open-like shape, and ontology rear end face is axially penetrated through along ontology equipped with multiple air inlets, and feature exists In being cased with cylinder outside the front end of the ontology, and cylinder is detachably connected with ontology by screw thread；It is equipped in the ontology Tube body, and tube body and ontology coaxial line arrangement, the front end of tube body are cased with bearing, bearing includes inner ring and outer ring, inner ring and tube body Be connected, integrally formed with pressure ring on the leading inside wall of cylinder, and the outer ring of bearing clamp be located in inner body wall and pressure ring it Between, the rear end of the tube body is fixed with flabellum；The inner sidewall of the tube body be equipped with spline, spline at least there are two And it is uniformly distributed along the circumferential direction of tube body, the length of the spline is along the axially extending of tube body, and the front end of spline extends to pipe The front end face of body；Be adhesively fixed with the baffle made of filtering cotton material in inner body wall, baffle be in flabellum and air inlet it Between, and baffle covers all air inlets.

When installation, motor rotary shaft is threaded through in tube body, and on motor have with the matched external splines of spline, make to fan Leaf follows motor rotary shaft rotation to realize heat dissipation.

Flabellum is held together by tube body and bearing fit with ontology, in this way in actual assembled, need to only be made electronic Machine shaft insertion tube body and fixed ontology can complete the installation of motor rear cover, to reduce assembling procedure, improve assembling side Just while property, and become entire assembling process more easily.

In above-mentioned structure improved motor rear end plate, integrally formed with convex block on the lateral wall of the cylinder, At least there are two and along uniformly distributed, described convex block the axially penetrating through equipped with bolt mounting holes along cylinder of the circumferential direction of cylinder for convex block.It is real When border is installed, cylinder is connected by the bolt and motor machine barrel for passing through bolt mounting holes, and such outward turning ontology can be taken Under, in order to baffle replacement.

In above-mentioned structure improved motor rear end plate, the front end of the ontology is ring-shaped step, ring-shaped step Be made of ring-shaped step wall and annular step surface, the outer ring is in ring-shaped step, and the both ends of the surface of outer ring respectively with ring Shape step surface and pressure ring tight abutment.Using above-mentioned design, have the advantages that structure is simple, easy for installation.

In above-mentioned structure improved motor rear end plate, the front end of the tube body is extended in pressure ring.Using upper Design is stated, to facilitate tube body to connect with motor rotary shaft.

In above-mentioned structure improved motor rear end plate, multiple air inlets are along the circumferentially-spaced equal of ontology Cloth, the baffle is annular in shape and arranges with ontology coaxial line, and baffle is fitted on the inside of ontology rear end face.

In above-mentioned structure improved motor rear end plate, integrally formed with rib, muscle on the outer wall of the ontology Item has multiple and along the circumferentially-spaced uniformly distributed of ontology, and rib is L-shaped, and one end of rib extends to the lateral wall of ontology, and rib The other end extend to the rear end face of ontology.Using above-mentioned design, the intensity of ontology everywhere can be effectively improved.

Compared with prior art, this structure improved motor rear end plate has the advantage that

1, flabellum is held together by tube body and bearing fit and ontology, in this way in actual assembled, need to only make electricity The installation that motivation shaft insertion tube body and fixed ontology can complete motor rear cover is assembled with reducing assembling procedure improving While convenience, and become entire assembling process more easily.

2, the bolt mounting holes for connecting with motor machine barrel are set on cylinder, and cylinder and ontology can further through screw thread Disassembly is connected, and such outward turning ontology can be removed, in order to baffle replacement.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of this structure improved motor rear end plate.

Fig. 2 is the structural schematic diagram of ontology.

In figure, 1, ontology；1a, air inlet；1b, ring-shaped step；1b1, ring-shaped step wall；1b2, annular step surface；1c, muscle Item；2, cylinder；2a, pressure ring；2b, convex block；2c, bolt mounting holes；3, tube body；3a, spline；4, bearing；4a, inner ring；It is 4b, outer Circle；5, flabellum；6, baffle.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1, this structure improved motor rear end plate includes the ontology 1 in tubbiness, wherein 1 front end of ontology is in Open-like shape, 1 rear end face of ontology are axially penetrated through along ontology 1 equipped with multiple air inlet 1a, week of preferably multiple air inlet 1a along ontology 1 To uniformly at intervals.

Specifically, as depicted in figs. 1 and 2, cylinder 2 is cased with outside the front end of ontology 1, and cylinder 2 and ontology 1 pass through screw thread It is detachable to be connected.Tube body 3, and tube body 3 and 1 coaxial line of ontology arrangement are equipped in ontology 1.The front end of tube body 3 is cased with bearing 4, axis Holding 4 includes inner ring 4a and outer ring 4b, and inner ring 4a and tube body 3 are connected, and preferably tube body 3 and inner ring 4a is by way of interference fit It is fixedly connected with.It is arranged on the leading inside wall of cylinder 2 integrally formed with pressure ring 2a, pressure ring 2a and 2 coaxial line of cylinder, and bearing 4 4b clamping in outer ring is located between 1 inner wall of ontology and pressure ring 2a.In the present embodiment, the front end of ontology 1 is ring-shaped step 1b, ring Shape step 1b is made of ring-shaped step wall 1b1 and annular step surface 1b2, and outer ring 4b is in ring-shaped step 1b, and outer ring 4b Both ends of the surface respectively with annular step surface 1b2 and pressure ring 2a tight abutment.

As shown in Figure 1, the front end of tube body 3 extends in pressure ring 2a, and the rear end of tube body 3 is fixed with flabellum 5；Tube body 3 Inner sidewall is equipped with spline 3a, and spline 3a is at least uniformly distributed there are two and along the circumferential direction of tube body 3, and the length of spline 3a is along pipe Body 3 it is axially extending, and the front end of spline 3a extends to the front end face of tube body 3.It is preferred that the quantity of spline 3a is 4, and The rear end of spline 3a is in closed.

The baffle 6 made of filtering cotton material is adhesively fixed on 1 inner wall of ontology, baffle 6 is in flabellum 5 and air inlet 1a Between, and baffle 6 covers all air inlet 1a.It further illustrates, baffle 6 is annular in shape and arranges with 1 coaxial line of ontology, baffle 6 It is fitted on the inside of 1 rear end face of ontology.It is preferred that baffle 6 is connected in such a way that glue bonds with ontology 1.

As shown in Figure 1, integrally formed with convex block 2b on the lateral wall of cylinder 2, convex block 2b at least there are two and along cylinder 2 Circumferential uniformly distributed, convex block 2b is axially penetrated through along cylinder 2 equipped with bolt mounting holes 2c.Integrally formed with rib on the outer wall of ontology 1 1c, rib 1c have multiple and along the circumferentially-spaced uniformly distributed of ontology 1, and rib 1c is L-shaped, and one end of rib 1c extends to ontology 1 Lateral wall, and the other end of rib 1c extends to the rear end face of ontology 1, to reinforce the intensity of ontology 1 everywhere.

When installation, cylinder 2 is connected by the bolt across bolt mounting holes 2c with motor machine barrel；Motor rotary shaft is worn In tube body 3, and on motor have with the matched external splines of spline 3a, make flabellum 5 follow motor rotary shaft rotation realize Heat dissipation.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (6)

1. structure improved motor rear end plate, the ontology (1) including being in tubbiness, ontology (1) front end are in open-like shape, ontology (1) Rear end face is axially penetrated through along ontology (1) equipped with multiple air inlets (1a), which is characterized in that the front end housing of the ontology (1) Have cylinder (2), and cylinder (2) is detachably connected with ontology (1) by screw thread；Tube body (3) are equipped in the ontology (1), and Tube body (3) and ontology (1) coaxial line arrangement, the front end of tube body (3) are cased with bearing (4), and bearing (4) includes inner ring (4a) and outer ring (4b), inner ring (4a) and tube body (3) are connected, integrally formed with pressure ring (2a) on the leading inside wall of cylinder (2), and bearing (4) Outer ring (4b) clamp be located between ontology (1) inner wall and pressure ring (2a), the rear end of the tube body (3) is fixed with flabellum (5)；The inner sidewall of the tube body (3) be equipped with spline (3a), spline (3a) at least there are two and the week along tube body (3) To being evenly distributed with, the length of the spline (3a) is along the axially extending of tube body (3), and the front end of spline (3a) extends to tube body (3) front end face；It is adhesively fixed with the baffle made of filtering cotton material (6) on ontology (1) inner wall, baffle (6) is in flabellum (5) between air inlet (1a), and baffle (6) covers all air inlets (1a).

2. structure improved motor rear end plate according to claim 1, which is characterized in that outside the cylinder (2) Integrally formed with convex block (2b) on side wall, at least there are two and along uniformly distributed, the described convex blocks of the circumferential direction of cylinder (2) for convex block (2b) (2b) is axially penetrated through along cylinder (2) equipped with bolt mounting holes (2c).

3. structure improved motor rear end plate according to claim 1 or 2, which is characterized in that the ontology (1) Front end is ring-shaped step (1b), and ring-shaped step (1b) is made of ring-shaped step wall (1b1) and annular step surface (1b2), described Outer ring (4b) is in ring-shaped step (1b), and the both ends of the surface of outer ring (4b) respectively with annular step surface (1b2) and pressure ring (2a) Tight abutment.

4. structure improved motor rear end plate according to claim 1, which is characterized in that before the tube body (3) End extends in pressure ring (2a).

5. structure improved motor rear end plate according to claim 1, which is characterized in that multiple air inlets (1a) is circumferentially-spaced uniformly distributed along ontology (1), and the baffle (6) is annular in shape and arranges with ontology (1) coaxial line, baffle (6) It is fitted on the inside of ontology (1) rear end face.

6. structure improved motor rear end plate according to claim 1, which is characterized in that outside the ontology (1) Integrally formed with rib (1c) on wall, rib (1c) has multiple and along the circumferentially-spaced uniformly distributed of ontology (1), and rib (1c) is L-shaped, One end of rib (1c) extends to the lateral wall of ontology (1), and the other end of rib (1c) extends to the rear end face of ontology (1).