CN210859017U

CN210859017U - Front end cover of efficient permanent magnet speed reduction starter

Info

Publication number: CN210859017U
Application number: CN201921420214.9U
Authority: CN
Inventors: 张斌; 金荣华
Original assignee: Huzhou Longhao Auto Parts Co ltd
Current assignee: Huzhou Longhao Auto Parts Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-26
Anticipated expiration: 2029-08-29

Abstract

The utility model provides a front end housing of efficient permanent magnetism speed reduction starter, including the end cover body, the end cover body be equipped with the inner chamber that is used for the left and right side that the isolator passed to be linked together, be equipped with upper junction plate, lower connecting plate respectively at one side upper and lower end of end cover body, the upper junction plate on be equipped with the screw hole, be equipped with down the screw hole on the connecting plate down, be equipped with upper plate, hypoplastron respectively at one side upper and lower end of starter body, the opposite side of end cover body be equipped with the isolator mounting. The utility model has the advantages that: the end cover body is connected with the starter body through bolts, so that the mounting and dismounting are convenient, and the front end cover is convenient to replace; the phenomenon that the front end cover falls off from the starter is prevented, and the isolator is replaced through the detachable isolator fixing piece.

Description

Front end cover of efficient permanent magnet speed reduction starter

Technical Field

The utility model belongs to the technical field of automobile parts, especially, relate to a front end housing of efficient permanent magnetism speed reduction starter.

Background

In the prior art, a one-way clutch of a starter transmits torque generated by a motor of the starter to a flywheel of an automobile engine, when the rotating speed of a pinion on a motor is higher than the speed of a flywheel gear ring of the engine, the motor drives the engine to rotate, and when the rotating speed of the engine is higher than that of the motor, the power transmission relation between the engine and the motor is automatically released.

The existing one-way clutch is connected with a starter, and then a front end cover is used for fixing the cover, so that the following defects exist in the actual use process: the connection mode between front end housing and the starter is for the joint or structure as an organic whole, and the installation of being not convenient for like this and dismantlement especially when the joint, there is the condition that the front end housing breaks away from the starter main part when the starter vibrations are great, have reduced its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, be convenient for installation and dismantle the front end housing and prevent that the front end housing from appearing its front end housing from the efficient permanent magnetism speed reduction starter of the phenomenon that the starter drops, especially be fit for when starting automobile engine.

The technical scheme of the utility model is that: a front end cover of a high-efficiency permanent magnet deceleration starter comprises an end cover body, wherein the end cover body is provided with a left communicated inner cavity and a right communicated inner cavity for an isolator to pass through, the upper end and the lower end of one side of the end cover body are respectively provided with an upper connecting plate and a lower connecting plate, the upper connecting plate is provided with an upper threaded hole, the lower connecting plate is provided with a lower threaded hole, the upper end and the lower end of one side of the starter body are respectively provided with an upper plate and a lower plate, the upper plate and the lower plate are respectively provided with an upper fixing screw hole and a lower fixing screw hole which correspond to the upper threaded hole and the lower threaded hole, an upper bolt sequentially passes through an upper sealing ring, the upper threaded hole and the upper fixing screw hole and is fixed through an upper fixing nut, a lower bolt sequentially passes through,

the other side of the end cover body is provided with an isolator fixing piece, the isolator fixing piece comprises a fixing plate, the inner side of the fixing plate is provided with an annular convex edge, the end cover body is internally provided with an annular clamping groove matched with the annular convex edge, the annular convex edge is arranged in the annular clamping groove, an internal thread hole is arranged on the end cover body close to the annular clamping groove, the fixing plate is provided with a fixing hole matched with the internal thread hole, a fixing bolt sequentially passes through the fixing hole, and a thread is arranged in the internal thread hole,

a gear shaft hole for placing a rolling bearing is formed in the fixing plate, and a gear shaft of the isolator penetrates through the rolling bearing.

Further, the damping rings are arranged between the outer side wall of the upper fixing nut and the outer side wall of the end cover body and between the outer side wall of the lower fixing nut and the outer side wall of the end cover body.

Furthermore, the first sealing ring is arranged between the gear shaft hole and the rolling bearing, so that the isolator can be effectively protected from being influenced by the external environment, and the phenomenon that the isolator cannot return due to the fact that dust, particles and the like are stained on the isolator is prevented.

Furthermore, a second sealing ring is arranged between the annular clamping groove and the annular convex edge.

The utility model has the advantages and positive effects that: by adopting the technical scheme, the end cover body is connected with the starter body through the bolt, so that the mounting and dismounting are convenient, and the front end cover is convenient to replace; the phenomenon that the front end cover falls off from the starter is prevented, and the isolator is replaced through the detachable isolator fixing piece.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

1. end cover body 2, inner cavity 3 and upper connecting plate

4. Lower connecting plate 5, upper threaded hole 6 and lower threaded hole

7. Fixed plate 8, annular convex edge 9 and annular clamping groove

10. Internal threaded hole 11, fixing bolt 12 and pinion shaft hole

Detailed Description

As shown in figure 1, the technical scheme of the utility model is a front end cover of a high-efficiency permanent magnet deceleration starter, which comprises an end cover body 1, wherein the end cover body 1 is provided with a left and a right communicated inner cavities 2 for passing an isolator, an upper connecting plate 3 and a lower connecting plate 4 are respectively arranged at the upper end and the lower end of one side of the end cover body 1, an upper threaded hole 5 is arranged on the upper connecting plate 3, a lower threaded hole 6 is arranged on the lower connecting plate 4, an upper plate and a lower plate are respectively arranged at the upper end and the lower end of one side of the starter body, upper fixing screw holes and lower fixing screw holes corresponding to the upper threaded hole 5 and the lower threaded hole 6 are respectively arranged on the upper plate and the lower plate, an upper bolt sequentially passes through the upper sealing ring, the upper threaded hole 5 and the upper fixing screw hole and is fixed through an upper fixing nut, and a lower bolt sequentially passes through the lower sealing ring,

the other side of the end cover body 1 is provided with an isolator fixing piece, the isolator fixing piece comprises a fixing plate 7, the inner side of the fixing plate 7 is provided with an annular convex edge 8, the end cover body 1 is internally provided with an annular clamping groove 9 matched with the annular convex edge 8, the annular convex edge 8 is arranged in the annular clamping groove 9, an internal thread hole 10 is arranged on the end cover body 1 close to the annular clamping groove 9, the fixing plate 7 is provided with a fixing hole matched with the internal thread hole 10, a fixing bolt 11 sequentially penetrates through the fixing hole, and threads are arranged in the internal thread hole 10,

a gear shaft hole 12 for placing a rolling bearing is arranged on the fixed plate 7, and a gear shaft of the isolator penetrates through the rolling bearing.

In this embodiment, the damping rings are respectively arranged between the upper fixing nut and the outer side wall of the end cover body 1 and between the lower fixing nut and the outer side wall of the end cover body 1.

In this embodiment, the first seal ring is disposed between the gear shaft hole 12 and the rolling bearing, so that the isolator can be effectively protected from the influence of the external environment, and the phenomenon that dust, particles and the like are stained on the isolator to prevent the isolator from returning is prevented.

In this embodiment, a second sealing ring is disposed between the annular clamping groove 9 and the annular convex edge 8.

The working process of the example is as follows: when the starter is used, the one-way device is connected with the starter, sequentially passes through an upper sealing ring, an upper threaded hole and an upper fixing threaded hole of the starter body through an upper bolt and is fixed through an upper fixing nut, and sequentially passes through a lower sealing ring, a lower threaded hole and a lower fixing threaded hole of the starter body through a lower fixing nut; and the gear shaft of the isolator passes through the gear shaft hole of the isolator fixing piece, so that the isolator is fixed.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a front end housing of efficient permanent magnetism speed reduction starter which characterized in that: the starter comprises an end cover body, wherein the end cover body is provided with an inner cavity communicated with the left side and the right side for passing an isolator, the upper end and the lower end of one side of the end cover body are respectively provided with an upper connecting plate and a lower connecting plate, the upper connecting plate is provided with an upper threaded hole, the lower connecting plate is provided with a lower threaded hole, the upper end and the lower end of one side of the starter body are respectively provided with an upper plate and a lower plate, the upper plate and the lower plate are respectively provided with an upper fixing screw hole and a lower fixing screw hole corresponding to the upper threaded hole and the lower threaded hole, an upper bolt sequentially passes through an upper sealing ring, the upper threaded hole and the upper fixing screw hole and is fixed through an upper fixing nut, a lower bolt sequentially passes through the lower sealing ring, the lower threaded hole and the lower fixing screw hole and is fixed through a lower fixing nut, the other side of the end cover, this internal being equipped with of end cover with annular protruding along matched with ring groove, annular protruding along establishing in ring groove, be close to ring groove department on the end cover body and be equipped with the internal thread hole, be equipped with on the fixed plate with internal thread hole matched with fixed orifices, fixing bolt passes the fixed orifices in proper order, and the screw thread is established at the internal thread downthehole, be equipped with the tooth axle hole that is used for placing antifriction bearing on the fixed plate, the tooth axle of isolator pass antifriction bearing.

2. The front cover of the high-efficiency permanent magnet deceleration starter as claimed in claim 1, wherein: and damping rings are arranged between the upper fixing nut and the outer side wall of the end cover body and between the lower fixing nut and the outer side wall of the end cover body.

3. The front cover of the high-efficiency permanent magnet deceleration starter as claimed in claim 1, wherein: and a first sealing ring is arranged between the gear shaft hole and the rolling bearing.

4. The front cover of the high-efficiency permanent magnet deceleration starter as claimed in claim 1, wherein: and a second sealing ring is arranged between the annular clamping groove and the annular convex edge.