CN213144643U

CN213144643U - Fully-sealed starter

Info

Publication number: CN213144643U
Application number: CN202022175616.6U
Authority: CN
Inventors: 陈俊龙; 辛洪敏
Original assignee: Prestolite Electric Weifang Ltd; Prestolite Electric Beijing Ltd
Current assignee: Prestolite Electric Weifang Ltd; Prestolite Electric Beijing Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-07
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a full-sealed starter, which belongs to the technical field of starters and comprises a motor, a driving end cover and an electromagnetic switch, wherein the driving end cover is provided with a mounting seat, the electromagnetic switch is fixedly connected on the mounting seat, the driving end cover and the mounting seat are of an integral structure, an axial through hole on the driving end cover and an axial through hole on the mounting seat are communicated to form a U-shaped through hole, a shifting fork is arranged in the U-shaped through hole, the driving end cover is provided with a mounting hole for a large clamping ring to pass through, the mounting hole is sealed by a sealing cover cap, the design does not need to provide a through hole for arranging the shifting fork between the driving end cover and the mounting seat, and does not need to use a special-shaped rubber sealing gasket, and solves the problem of assembling the large clamping ring brought by the design and the sealing problem brought by the mounting of the shifting fork by arranging the mounting, thereby improving the sealing performance of the whole machine.

Description

Fully-sealed starter

Technical Field

The utility model belongs to the technical field of the starter, concretely relates to totally enclosed starter.

Background

Most of the existing starters for heavy vehicles use special-shaped rubber sealing gaskets to seal the areas among the motor, the driving end cover and the electromagnetic switch. In recent years, as the application condition of the starter becomes severer, the fault phenomenon that the starter fails due to water entering the special-shaped rubber sealing gasket caused by insufficient sealing performance at the special-shaped rubber sealing gasket is increased gradually, the normal work of the starter is seriously influenced, and further the automobile cannot be started to work normally.

Fig. 1 to 3 show a conventional shaped rubber gasket for a starter and a starter using the same. The parts that contact the rubber packing 10 include: electromagnetic switch 20, motor 41, drive end cap 20.

The sealing surface 11 of the rubber sealing gasket 10 is contacted with the electromagnetic switch 20, so that the electromagnetic switch 20 and the rubber sealing gasket 10 are sealed; the sealing surface 12 of the rubber sealing gasket 10 is contacted with the driving end cover 20, so that the sealing between the driving end cover 20 and the rubber sealing gasket 10 is realized; the sealing surface 13 of the rubber seal gasket 10 is in contact with the motor 41, and the motor 41 and the rubber seal gasket 10 are sealed.

The 3

sealing surfaces

11, 12, 13 of the rubber sealing gasket 10 are contacted with 3 different parts to ensure the sealing between the sealing gasket and the contact element, the number of the sealing positions is large, the structure of the rubber sealing gasket is only special-shaped due to the influence of the number of the sealing positions, the special-shaped rubber sealing gasket 10 can effectively prevent dust and water and can meet the use requirement that the protection grade of the whole machine is IP 56. However, for the starter with the use requirement of IPX7 grade, the rubber sealing gasket 10 becomes the weak point of the whole machine protection, and the protection performance of the whole machine is directly influenced and cannot reach IPX 7.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the totally-enclosed starter is provided, and the use of a special-shaped rubber sealing gasket is avoided, so that the sealing performance of the whole starter is improved.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a totally enclosed starter, includes motor, drive end cover and electromagnetic switch, the drive end is covered and is provided with the mount pad, electromagnetic switch fixed connection be in on the mount pad, the drive end cover with the mount pad structure as an organic whole, axial through-hole on the drive end cover with U type through-hole is constituteed in the axial through-hole intercommunication on the mount pad, install the shift fork in the U type through-hole, the drive end is covered and is seted up the mounting hole that supplies big ring pass through, mounting hole department is sealed through sealed shroud.

Further, the mounting hole is formed in the back or the side face, where the driving end cover is provided with the mounting seat.

Furthermore, an annular mounting table is arranged on the driving end cover, the mounting table is located on the periphery of the mounting hole, and the sealing cover is fixed on the mounting table through screws.

Furthermore, be provided with the seal groove on the mount table, sealed glue of notes has or is provided with first sealing washer in the seal groove.

Furthermore, a rotating pin and a rotating pin seat are arranged on the mounting seat, the rotating pin and the rotating pin respectively penetrate through two sides of the mounting seat, and the rotating pin penetrates through the shifting fork and then is in threaded connection with the mounting seat.

Further, it includes nail pole and nail seat to change the pin, the diameter of nail seat is greater than the diameter of nail pole, the nail pole with change pin seat threaded connection back the terminal surface of nail seat with the distance between the terminal surface of changeing the pin seat slightly is greater than the thickness of shift fork.

Furthermore, the screw rod is far away from the screw seat, threads are arranged on the circumferential surface of one end of the screw rod, and the circumferential surface of one end of the screw rod, which is connected with the screw seat, is a smooth surface.

Further, a second sealing ring is arranged between the mounting seat and the electromagnetic switch.

Further, a third sealing ring is arranged between the driving end cover and the motor.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the utility model discloses a totally enclosed starter includes the motor, drive end cover and electromagnetic switch, the drive end covers and is provided with the mount pad, electromagnetic switch fixed connection is on the mount pad, drive end cover and mount pad structure as an organic whole, the axial through-hole on the drive end cover communicates with the axial through-hole on the mount pad and constitutes U type through-hole, install the shift fork in the U type through-hole, the drive end covers and is seted up the mounting hole that supplies big ring pass through, mounting hole department is sealed through the sealed shroud, the shift fork is packed into through the axial through-hole on the drive end cover, do not need to set up the through-hole that is used for packing into the shift fork between drive end cover and mount pad, and the problem of large clamping ring assembly caused by the arrangement of the mounting hole and the sealing cover cap on the driving end cap is solved, and the sealing problem caused by the arrangement of the shifting fork is solved, so that the sealing performance of the whole machine is improved.

Drawings

FIG. 1 is a schematic diagram of a starter of the prior art;

FIG. 2 is a schematic view of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the rubber seal of FIG. 1;

fig. 4 is an exploded schematic view of the fully sealed starter of the present invention;

FIG. 5 is a schematic structural view of a drive end cap;

FIG. 6 is a schematic view of the installation of the kingpin and the kingpin holder;

FIG. 7 is an exploded view of the kingpin and kingpin boss;

in the figure, 10-rubber sealing gasket, 11, 12, 13-sealing surface, 20-driving end cover, 21-sealing cover cap, 22-mounting hole, 23-mounting table, 24-screw, 25-sealing groove, 26-first sealing ring, 30-mounting seat, 31-rotating pin, 32-nail rod, 33-nail seat, 34-rotating pin seat, 35-shifting fork, 40-electromagnetic switch, 41-motor, 42-isolator, 43-retaining ring, 44-retaining ring, 45-large collar and 46-planetary gear.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

All directions referred to in the present specification are based on the drawings, and represent relative positional relationships only, and do not represent absolute positional relationships.

As shown in fig. 4 and 5, a fully sealed starter includes a motor 41, a driving end cover 20 and an electromagnetic switch 40, the driving end cover 20 is provided with a mounting seat 30, the electromagnetic switch 40 is fixedly connected to the mounting seat 30, the driving end cover 20 and the mounting seat 30 are of an integrated structure, an axial through hole in the driving end cover 20 is communicated with an axial through hole in the mounting seat 30 to form a U-shaped through hole, a shifting fork 35 is installed in the U-shaped through hole, a mounting hole 22 for a large collar 45 to pass through is formed in the driving end cover 20, and the mounting hole 22 is sealed by a sealing cover 21. The mounting hole 22 may be disposed on the back or side of the driving end cap 20 where the mounting seat 30 is disposed, or may be disposed at another position where a hole is conveniently formed, in this embodiment, the mounting hole 22 is disposed on the back of the driving end cap 20 where the mounting seat 30 is disposed.

As shown in fig. 4 and 5, the drive end cover 20 is provided with an annular mounting table 23, the mounting table 23 is located on the periphery of the mounting hole 22, and the seal cover 21 is fixed to the mounting table 23 by screws 24. The mounting table 23 is provided with a sealing groove 25, a sealant is filled in the sealing groove 25 or a first sealing ring 26 is arranged in the sealing groove 25, in the embodiment, the first sealing ring 26 is arranged in the sealing groove 25, and the first sealing ring 26 is an O-shaped sealing ring.

As shown in fig. 4, 6 and 7, the mounting seat 30 is provided with a rotating pin 31 and a rotating pin seat 34, the rotating pin 31 and the rotating pin 31 respectively pass through two sides of the mounting seat 30, and the rotating pin 31 passes through a shifting fork 35 and then is in threaded connection with the mounting seat 30. The rotating pin 31 comprises a pin rod 32 and a pin seat 33, the diameter of the pin seat 33 is larger than that of the pin rod 32, and the distance between the end surface of the pin seat 33 and the end surface of the rotating pin seat 34 after the pin rod 32 is in threaded connection with the rotating pin seat 34 is slightly larger than the thickness of the shifting fork 35. The circumferential surface of the end of the nail rod 32 far away from the nail seat 33 is provided with screw threads for being in threaded connection with the rotating pin seat 34, and the circumferential surface of the end connected with the nail seat 33 is a smooth surface.

As shown in fig. 4, the assembly sequence of the hermetically sealed starter is as follows: the one-way clutch 42 is inserted into the driving end cover 20, the shifting fork 35 is installed and installed through the rotating pin 31 and the rotating pin seat 34, the stop ring 43 and the stop ring 44 are installed, the tool is pressed into the stop ring 44, the driving shaft of the planetary gear 46 is installed and connected with the one-way clutch 42 to rotate so that the spline can be clamped, the large collar 45 is installed, and the sealing cover 21 is installed.

A second sealing ring (not shown in the figure) is further arranged between the mounting seat 30 and the electromagnetic switch 40, and the second sealing ring of the electromagnetic switch 40 can be matched and compressed with the mounting seat 30 to realize sealing between the mounting seat 30 and the electromagnetic switch 40. A third sealing ring (not shown in the figure) is arranged between the driving end cover 20 and the motor 41, and the third sealing ring of the motor 41 is matched and compressed with the driving end cover 20 to realize sealing between the driving end cover 20 and the motor 41.

The utility model discloses a totally enclosed starter is through setting up the drive end cover and mount pad as a body structure, and the shift fork passes through the axial through-hole installation on the drive end cover, and the drive end is covered and is offered the mounting hole that supplies big ring to pass through, and mounting hole department is sealed through sealed shroud, need not use the sealed problem that the installation shift fork brought to the rubber packing pad of dysmorphism for the complete machine leakproofness obtains promoting.

Although specific embodiments of the present invention have been described above, it should be understood by those skilled in the art that the described embodiments are only some of the embodiments of the present invention, rather than all embodiments, which are given by way of illustration only, and the scope of the present invention is defined by the appended claims. Without any inventive step, those skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a totally enclosed starter, includes motor, drive end cover and electromagnetic switch, the drive end covers and is provided with the mount pad, electromagnetic switch fixed connection be in on the mount pad, its characterized in that, the drive end cover with mount pad structure as an organic whole, the last axial through hole of drive end cover with the U type through-hole is constituteed in the axial through hole intercommunication on the mount pad, install the shift fork in the U type through-hole, the drive end covers and sets up the mounting hole that supplies big ring pass through, mounting hole department is sealed through sealed shroud.

2. The hermetically-sealed starter of claim 1 wherein the mounting hole is disposed on a back or side of the drive end cap where the mounting seat is disposed.

3. The hermetically sealed starter of claim 2 wherein the drive-end cap is provided with an annular mounting table located on a periphery of the mounting hole, and the sealing cover is fixed to the mounting table by screws.

4. The hermetically sealed starter of claim 3 wherein the mounting block is provided with a sealing groove, and the sealing groove is filled with sealant or provided with a first sealing ring.

5. The hermetically sealed starter according to claim 1, wherein a pivot pin and a pivot pin seat are provided on the mounting seat, the pivot pin and the pivot pin respectively pass through two sides of the mounting seat, and the pivot pin passes through the shift fork and then is in threaded connection with the mounting seat.

6. The hermetically sealed starter of claim 5, wherein the pivot pin includes a pin shank and a pin seat, a diameter of the pin seat is larger than a diameter of the pin shank, and a distance between an end surface of the pin seat and an end surface of the pivot pin seat after the pin shank is threadedly connected with the pivot pin seat is slightly larger than a thickness of the shift fork.

7. The hermetically sealed starter of claim 6 wherein a circumferential surface of an end of the shank remote from the shank seat is threaded, and a circumferential surface of an end of the shank coupled to the shank seat is smooth.

8. The hermetically-sealed starter of claim 1 wherein a second seal is disposed between the mounting block and the electromagnetic switch.

9. The hermetically sealed starter of any one of claims 1 to 8 wherein a third seal is provided between the drive end cap and the motor.