CN116498472B

CN116498472B - Friction shoe assembly, engine pull-free starter and engine

Info

Publication number: CN116498472B
Application number: CN202310497798.4A
Authority: CN
Inventors: 任辉
Original assignee: Tisheng Fujian Province Electromechanical Technology Co ltd
Current assignee: Tisheng Fujian Province Electromechanical Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2025-07-01
Anticipated expiration: 2043-05-05
Also published as: CN116498472A

Abstract

The invention relates to a friction shoe assembly, an engine pull-free starter and an engine, which comprise a friction plate assembly, a rotating shaft, a first rotating disc, an elastic piece and a positioning pin, wherein the elastic piece is used for providing restoring force for the friction plate assembly, a sliding track matched with the sliding piece is arranged on the first rotating disc, mounting holes are formed in the left side and the right side of the sliding track of the first rotating disc, the rotating shaft comprises a first sliding surface and a second sliding surface, the first sliding surface and the second sliding surface are symmetrically arranged, and the positioning pin is detachably arranged on the two mounting holes and used for limiting forward rotation or reverse rotation of the rotating shaft. Compared with the prior art, the invention can ensure that one engine pull-free starter can meet the requirements of forward engines and reverse engines by changing the installation position of the positioning pin, and the application range of the engine pull-free starter is improved.

Description

Friction shoe assembly, engine pull-free starter and engine

Technical Field

The invention relates to the technical field of engine pull-free starters, in particular to a friction shoe assembly, an engine pull-free starter and an engine.

Background

In the prior art, as in the patent with the publication number of CN216588906U, a friction body assembly for an engine, an engine pull-free starter and an engine are disclosed, and the friction body assembly comprises a friction plate, a connecting shaft, a friction embedded plate, a rotary plate, a first connecting piece and an elastic piece, wherein one end of the friction plate is hinged on the rotary plate, the middle end of the friction plate is provided with the first connecting piece, one end of the elastic piece is connected with the first connecting piece, the other end of the elastic piece is connected with the rotary plate, and the elastic piece is used for providing restoring force for the friction plate.

And as in patent publication number CN113266502a, an engine pull-free starter is disclosed, comprising a housing, a rotating shaft, a starting shaft and a friction body assembly, wherein the friction body assembly is arranged on the rotating shaft, the friction body assembly comprises a friction plate and a connecting shaft, the connecting shaft is sleeved on the rotating shaft, the friction plate is arranged to drive the connecting shaft to rotate when the rotating shaft rotates, thereby driving the friction plate to extend outwards or retract inwards, and the friction plate comprises an abutting part for abutting against a through hole of an engine starting cup.

In the process of implementing the present invention, the inventor finds that the following problems exist in the prior art:

In the prior art, the rotating shaft can only rotate anticlockwise, the driving friction plate extends outwards, the engine pull-free starter can only be suitable for starting of the forward engine and cannot be suitable for starting of the reverse engine, and the reverse engine needs another engine pull-free starter, so that the engine pull-free starter can only aim at starting of the forward engine or the reverse engine and cannot simultaneously meet the requirements of the forward engine and the reverse engine.

Disclosure of Invention

Therefore, it is necessary to provide a friction shoe assembly, an engine pull-free starter and an engine, which are used for solving the technical problems that the engine pull-free starter in the prior art can only start a forward engine or a reverse engine and can not simultaneously meet the use requirements of the forward engine and the reverse engine.

To achieve the above object, in a first aspect, the present inventors provide a friction shoe assembly for a pull-free starter of an engine, comprising a friction plate assembly, a rotation shaft, a first turntable, an elastic member, and a positioning pin:

The rotating shaft is provided with an abutting part, the friction plate assembly abuts against the abutting part, and the friction plate assembly is driven to extend outwards or retract inwards when the rotating shaft rotates;

one end of the elastic piece is connected with the friction plate assembly, and the elastic piece is used for providing restoring force for the friction plate assembly;

The first rotating disc is arranged on one side of the friction plate assembly, the friction plate assembly comprises a sliding piece, a sliding track matched with the sliding piece is arranged on the first rotating disc, mounting holes are formed in the left side and the right side of the sliding track, the rotating shaft comprises a first sliding surface and a second sliding surface, the first sliding surface and the second sliding surface are symmetrically arranged, and the positioning pin is detachably arranged on the two mounting holes and used for limiting forward rotation or reverse rotation of the rotating shaft.

Compared with the prior art, the sliding track matched with the sliding part is arranged on the first rotary table, the mounting holes are formed in the left side and the right side of the sliding track of the first rotary table, the rotating shaft comprises a first sliding surface and a second sliding surface, the first sliding surface and the second sliding surface are symmetrically arranged, and the positioning pin is detachably arranged on the two mounting holes and used for limiting forward rotation or reverse rotation of the rotating shaft. Therefore, when the rotating shaft is required to rotate anticlockwise, the positioning pin can be arranged on the mounting hole at the left side of the sliding track, so that the engine pull-free starter is suitable for starting the forward engine; when the rotating shaft is required to rotate clockwise, the locating pin arranged on the mounting hole on the left side of the sliding track is detached and arranged on the mounting hole on the right side of the sliding track, so that the engine pull-free starter is applicable to starting of the reversing engine, and one engine pull-free starter can meet the requirements of forward and reversing engines and the use range of the engine pull-free starter is improved only by changing the mounting position of the locating pin.

As one embodiment of the present invention, the positioning pin is clamped on the mounting hole, or the positioning pin is mounted on the mounting hole through threads.

Therefore, the locating pin is installed on the installation hole through clamping or threads, and the locating pin is convenient to detach and install.

As one embodiment of the invention, the friction shoe assembly comprises three friction plate assemblies, three positioning pins and three elastic pieces, wherein the three friction plate assemblies are arranged around the center of the rotating shaft, and the three positioning pins are correspondingly arranged on the same side of the sliding piece.

Therefore, the rotating shaft can be driven to rotate, the three friction plate assemblies are driven to extend outwards or retract inwards, and the three locating pins are required to be installed on the left side of the three sliding rails or the right side of the three sliding rails at the same time and used for limiting forward rotation or reverse rotation of the rotating shaft, so that the friction force of the friction shoe assembly clamped on the side wall of the starting cup is improved, and the service life of the engine pull-free starter is prolonged.

As one embodiment of the present invention, two ends of the three elastic members are connected to the three friction plate assemblies, respectively.

Therefore, the two ends of the three elastic pieces are respectively connected with the three friction plate assemblies, the three friction plates can be pulled back inwards through the restoring force of the three elastic pieces, other parts are not required to be additionally arranged, parts are reduced, and the structure is simplified.

In one embodiment of the present invention, the friction shoe assembly further includes a second turntable, and the friction plate assembly, the elastic member, and the positioning pin are disposed between the first turntable and the second turntable.

So, can set up elastic component, locating pin between first carousel and second carousel, in the use, the elastic component is blocked between first carousel and second carousel, can effectively avoid the elastic component to drop, improves the stability of friction shoe assembly, improves the life of engine pull-free starter, reduces the maintenance number of times.

As an embodiment of the present invention, an observation hole is provided on the second turntable at a position corresponding to each of the mounting holes.

Thus, the mounting position of the positioning pin can be observed through the observation hole, whether the positioning pin is correctly mounted or not, and whether the forward engine or the reverse engine is applicable or not can be observed.

As one embodiment of the invention, the friction shoe assembly further comprises a connecting piece, one end of the connecting piece is connected with the first rotating disc, and the other end of the connecting piece is connected with the second rotating disc.

Therefore, the first turntable and the second turntable can be connected together through the connecting piece, and the first turntable and the second turntable are convenient to install.

As one embodiment of the present invention, the friction plate assembly further includes a mounting member, one end of the sliding member abuts against the abutting portion, the other end of the sliding member is connected to the mounting member, and the sliding member is integrally formed with the mounting member.

Therefore, the contact stress can be concentrated at the bottom of the sliding part and the top of the mounting part, and the top of the mounting part is stressed and transferred to the bottom of the sliding part, so that the friction plate assembly is prevented from being broken easily due to the fact that the sliding part and the mounting part are integrally formed, the integral structure of the friction plate assembly is enhanced, and the service life of the friction plate assembly is prolonged.

To achieve the above object, in a second aspect, the present inventors have provided a pull-free starter for an engine, comprising a friction shoe assembly for a pull-free starter for an engine as set forth in any one of the above.

To achieve the above object, in a third aspect, the present inventors have provided an engine comprising an engine pull-free starter as described above.

Compared with the prior art, the technical scheme of the application can ensure that one engine pull-free starter can meet the requirements of forward engines and reverse engines by only changing the installation position of the positioning pin, and the application range of the engine pull-free starter is improved.

The foregoing summary is merely an overview of the present application, and may be implemented according to the text and the accompanying drawings in order to make it clear to a person skilled in the art that the present application may be implemented, and in order to make the above-mentioned objects and other objects, features and advantages of the present application more easily understood, the following description will be given with reference to the specific embodiments and the accompanying drawings of the present application.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.

In the drawings of the specification:

FIG. 1 is a schematic diagram of an engine pull-free starter according to one embodiment of the present application;

FIG. 2 is a schematic illustration of the construction of a friction shoe assembly according to one embodiment of the present application;

FIG. 3 is a schematic side view of a friction shoe assembly according to one embodiment of the present application;

FIG. 4 is an exploded view of a friction shoe assembly according to one embodiment of the present application;

FIG. 5 is a schematic view of a friction plate assembly, a first turntable, and a locating pin according to one embodiment of the present application;

FIG. 6 is a schematic view of a friction plate assembly, a shaft, and an elastic member according to an embodiment of the present application;

FIG. 7 is a schematic view of the friction plate assembly of one embodiment of the present application;

FIG. 8 is a schematic view of another angle of friction plate assembly according to one embodiment of the present application.

Reference numerals referred to in the above drawings are explained as follows:

1. Friction plate assembly, 11, slide, 12, mount, 18, slide,

2. A rotation shaft 22, a first sliding surface 23, a second sliding surface,

3. The elastic part is provided with a plurality of elastic parts,

4. A first turntable (41), a sliding rail (42), a mounting hole,

5. The second turntable, 51, and the viewing aperture,

6. The connecting piece is provided with a connecting piece,

7. And (5) positioning pins.

Detailed Description

In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present application, and thus are only exemplary and not intended to limit the scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains, and the use of related terms herein is intended only to describe specific embodiments, not to limit the present application.

In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, meaning that three relationships may exist, for example, a and/or B, meaning that there are a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In the present application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

In the present application, the expressions "greater than", "less than", "exceeding" and the like are understood to exclude the present number, and the expressions "above", "below", "within" and the like are understood to include the present number, as well as the expressions "examining the guideline" and the like. Furthermore, in the description of embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.

In the description of embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as a basis for the description of the embodiments or as a basis for the description of the embodiments, and are not intended to indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "affixed," "disposed," and the like as used in the description of embodiments of the application should be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral connection, may be a mechanical connection, an electrical connection, or a communication connection, may be a direct connection or an indirect connection through an intermediary, or may be a communication between two elements or an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to circumstances.

The pull-free starter of the engine in the prior art can only start the forward engine or the reverse engine, and can not simultaneously meet the requirements of the forward engine and the reverse engine.

The friction shoe assembly, the engine pull-free starter and the engine can be applied to various scenes in which the engine pull-free starter is used.

Referring to fig. 1, an engine pull-free starter according to some embodiments of the present application includes a housing, a rotating shaft, a starting shaft, and a friction shoe assembly. The pivot sets up in the casing, and the start shaft is connected with the pivot transmission to can drive the pivot rotation, friction shoe assembly sets up in the pivot. The rotating shaft 2 is sleeved on the rotating shaft, and the friction plate assembly is arranged to drive the rotating shaft 2 to rotate when the rotating shaft rotates, so that the friction plate assembly is driven to extend outwards. After the use is completed, the rotating shaft is reversed, and the friction plate assembly is pulled back by the elastic piece.

The engine pull-free starter comprises a shell, a rotating shaft and a scroll spring, wherein the rotating shaft and the scroll spring are arranged in the shell, a spring box is fixed in the shell, the scroll spring is arranged in the spring box, the rotating shaft penetrates through the scroll spring, and the inner end and the outer end of the rotating shaft extend out of the spring box.

Referring to fig. 2 to 8, according to some embodiments of the present application, the present embodiment relates to a friction shoe assembly for a pull-free starter of an engine, comprising a friction plate assembly 1, a rotating shaft 2, a first rotating disc 4, an elastic member 3 and a positioning pin 7, wherein the rotating shaft 2 is provided with an abutting portion against which the friction plate assembly 1 is abutted, and the friction plate assembly 1 is driven to extend outwards or retract inwards when the rotating shaft 2 rotates;

The first rotating disc 4 is arranged on one side of the friction plate assembly 1, the friction plate assembly 1 comprises a sliding piece 11, a sliding rail 41 matched with the sliding piece 11 is arranged on the first rotating disc 4, mounting holes 42 are formed in the left side and the right side of the sliding rail 41 of the first rotating disc 4, the rotating shaft 2 comprises a first sliding surface 22 and a second sliding surface 23, the first sliding surface 22 and the second sliding surface 23 are symmetrically arranged, and the positioning pin 7 is detachably mounted on the two mounting holes 42 and used for limiting forward rotation or reverse rotation of the rotating shaft 2.

The first sliding surface 22 and the second sliding surface 23 form an abutting portion.

In this embodiment, the sliding track 41 for matching with the sliding piece 11 is provided on the first rotating disc 4, the first rotating disc 4 is provided with mounting holes 42 on both left and right sides of the sliding track 41, the rotating shaft 2 includes a first sliding surface 22 and a second sliding surface 23, the first sliding surface 22 and the second sliding surface 23 are symmetrically arranged, and the positioning pin 7 is detachably mounted on the two mounting holes 42 for limiting the forward rotation or the reverse rotation of the rotating shaft 2.

When the rotating shaft 2 is required to rotate anticlockwise, the positioning pin 7 can be arranged on the mounting hole 42 on the left side of the sliding track 41, so that the engine pull-free starter is suitable for starting the forward engine, when the rotating shaft 2 is required to rotate clockwise, the positioning pin 7 arranged on the mounting hole 42 on the left side of the sliding track 41 is detached and arranged on the mounting hole 42 on the right side of the sliding track 41, the engine pull-free starter is suitable for starting the reverse engine, and the use range of the forward engine and the reverse engine can be met by one engine pull-free starter only by changing the mounting position of the positioning pin 7.

According to some embodiments of the application, the locating pin 7 is optionally snapped onto the mounting hole 42 or the locating pin 7 is threadably mounted onto the mounting hole 42. Thus, the positioning pin 7 is mounted on the mounting hole 42 through clamping or threads, so that the positioning pin 7 can be conveniently dismounted.

According to some embodiments of the present application, the friction shoe assembly includes three friction plate assemblies 1, three positioning pins 7, and three elastic members 3, wherein the three friction plate assemblies 1 are disposed around the center of the rotation shaft 2, and the three positioning pins 7 are correspondingly mounted on the same side of the sliding member 11.

In this way, the rotating shaft 2 can be driven to rotate, and the three friction plate assemblies 1 are simultaneously driven to extend outwards or retract inwards, and the three positioning pins 7 are required to be simultaneously installed on the left side of the three sliding rails 41 or the right side of the three sliding rails 41, so that the forward rotation or the reverse rotation of the rotating shaft 2 is limited, the friction force of the friction shoe assemblies clamped on the side wall of the starting cup is improved, and the service life of the engine pull-free starter is prolonged.

According to some embodiments of the present application, alternatively, two ends of the three elastic members 3 are connected to the three friction plate assemblies 1, respectively.

Therefore, the two ends of the three elastic pieces 3 are respectively connected with the three friction plate assemblies 1, the three friction plates can be pulled back inwards through the restoring force of the three elastic pieces 3, other parts are not required to be additionally arranged, parts are reduced, and the structure is simplified.

According to some embodiments of the present application, optionally, as shown in fig. 4, the friction shoe assembly further includes a second turntable 5, and the friction plate assembly 1, the elastic member 3, and the positioning pin 7 are disposed between the first turntable 4 and the second turntable 5.

So, can set up elastic component 3, locating pin 7 between first carousel 4 and second carousel 5, in the use, elastic component 3 is blocked between first carousel 4 and second carousel 5, can effectively avoid elastic component 3 to drop, improves the stability of friction shoe assembly, improves the life of engine pull-free starter, reduces the maintenance number of times.

In this embodiment, the sliding member 11 includes a sliding portion 18, and three sliding rails 41 are provided on the first turntable 4 or the second turntable 5, and the sliding portion 18 slides relatively on the sliding rails 41 to extend or retract the friction plate assembly 1. Thus, by including the sliding portions 18 in each of the three sliding members 11, the three sliding members 11 can be conveniently slid relatively along the three sliding rails 41, so that the friction plate assembly 1 is extended or retracted outwardly, and the sliding rails 41 limit the sliding portions 18.

In this embodiment, the sliding parts 18 are disposed on both the front and back sides of the sliding member 11, and three sliding rails 41 are disposed on the first turntable 4 and the second turntable 5. Thus, the sliding parts 18 are arranged on the front and back sides of the sliding piece 11, and the three sliding rails 41 are arranged on the first rotating disc 4 and the second rotating disc 5 oppositely, so that the front and back sides of the sliding piece 11 can be limited, and the sliding stability of the sliding piece 11 can be improved.

According to some embodiments of the present application, an observation hole 51 is optionally provided on the second turntable 5 corresponding to each of the mounting holes 42. In this way, by observing the hole 51, it is possible to observe whether the attachment position of the positioning pin 7 is correct and whether the forward engine or the reverse engine is applicable.

According to some embodiments of the present application, optionally, the friction shoe assembly further includes a connection member 6, one end of the connection member 6 is connected to the first turntable 4, and the other end of the connection member 6 is connected to the second turntable 5. Therefore, the first rotating disc 4 and the second rotating disc 5 can be connected together through the connecting piece 6, and the first rotating disc 4 and the second rotating disc 5 can be conveniently installed.

In this embodiment, the friction shoe assembly includes three links 6, with the three links 6 being disposed about the center of the rotary shaft 2. In this way, the stability of the connection of the first turntable 4 and the second turntable 5 is improved by the three connecting pieces 6. The connecting piece 6 both ends all are provided with joint portion, are provided with on the first carousel 4 with joint portion matched with first joint hole, be provided with on the second carousel 5 with joint portion matched with second joint hole. So, first carousel 4 is connected with connecting piece 6 through the cooperation of first joint hole and joint portion, and second carousel 5 is connected with connecting piece 6 through the cooperation of second joint hole and joint portion, conveniently is connected first carousel 4, second carousel 5.

According to some embodiments of the present application, optionally, as shown in fig. 6, the friction plate assembly 1 further includes a mounting member 12, one end of the sliding member 11 abuts against the abutting portion, the other end of the sliding member 11 is connected to the mounting member 12, and the sliding member 11 is integrally formed with the mounting member 12.

In the use process, the mounting piece 12 is used for mounting the friction insert, the rotating shaft 2 rotates to drive the sliding piece 11 and the mounting piece 12 to integrally slide outwards, the friction insert contacts the inner wall of the engine starting cup, the mode of rotating contact of the friction piece is canceled, and an integrated sliding structure is adopted, so that the contacted stress can be concentrated at the bottom of the sliding piece 11 and the top of the mounting piece 12, and the top of the mounting piece 12 is stressed and transferred to the bottom of the sliding piece 11, and the sliding piece 11 and the mounting piece 12 are integrally formed, so that the situation that the friction piece assembly 1 is easily broken is avoided, the integral structure of the friction piece assembly 1 is enhanced, and the service life of the friction piece assembly 1 is prolonged.

In this embodiment, as shown in fig. 7 and 8, the slider 11 is connected to the middle of the mount 12. In this way, the sliding part 11 is connected with the middle part of the mounting part 12, and the stress of the sliding part 11 is transferred to the middle part of the mounting part 12 and then transferred to the left side and the right side of the mounting part 12, so that the stress of the left side and the right side of the mounting part 12 is balanced, and the service life of the mounting part 12 is prolonged.

In this embodiment, the left side of the slider 11 is connected to the left side of the mount 12 by a first reinforcing rib, and the right side of the slider 11 is connected to the right side of the mount 12 by a second reinforcing rib. In this way, the forces on the left and right sides of the mounting member 12 can be reinforced, so that the forces on the left and right sides of the mounting member 12 are transmitted to the sliding member 11, and the service life of the mounting member 12 is finally prolonged.

In this embodiment, a connecting portion is provided at both ends of the inner side of the mounting member 12, and the connecting portion is used for connecting with one end of the elastic member 3. So, through all being provided with a connecting portion at the inboard both ends of mounting 12, conveniently inwards draw mounting 12, provide restoring force for mounting 12, connecting portion are the connecting hole, make things convenient for the installation dismantlement of elastic component 3.

In this embodiment, the connection portion on the left side of the mounting member 12 is connected to the first reinforcing rib, and the connection portion on the right side of the mounting member 12 is connected to the second reinforcing rib. So, the connecting portion on the left side of mounting piece 12 is connected with first strengthening rib, and the connecting portion on the right side of mounting piece 12 is connected with the second strengthening rib, conveniently lays out the connecting portion, and in other embodiments, the connecting portion on the left and right sides can be regarded as first strengthening rib, second strengthening rib's part, and elastic component 3 directly hangs on first strengthening rib, second strengthening rib.

In this embodiment, two ends of three elastic pieces 3 are respectively hung on the connecting portions of the adjacent friction plate assemblies 1, two ends of the three elastic pieces 3 are respectively connected with the three friction plate assemblies 1, and the three friction plate assemblies 1 can be pulled back inwards by the restoring force of the three elastic pieces 3, so that other parts are not required to be additionally arranged, parts are reduced, and the structure is simplified.

In this embodiment, the sliding member 11 is provided with a through hole, and a third reinforcing rib is provided in the through hole. So, through being provided with the through-hole on slider 11, reduce the material, make things convenient for slider 11 atress, through being provided with the third strengthening rib in the through-hole, strengthen the through-hole, improve slider 11 life.

The embodiment also relates to an engine, comprising the engine pull-free starter.

Compared with the prior art, the technical scheme of the application can ensure that one engine pull-free starter can meet the requirements of forward engines and reverse engines by only changing the installation position of the positioning pin 7, and the application range of the engine pull-free starter is improved.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solution, directly or indirectly, to other relevant technical fields, all of which are included in the scope of the invention.

Claims

1. A friction shoe assembly for engine pull-free starter, its characterized in that includes friction disc subassembly, axis of rotation, first carousel, elastic component and locating pin:

2. The friction shoe assembly for an engine pull-free starter of claim 1, wherein the dowel pin is snapped onto the mounting hole or the dowel pin is threadably mounted onto the mounting hole.

3. The friction shoe assembly for a pull-free starter of an engine of claim 1, wherein the friction shoe assembly includes three of the friction plate assemblies, three of the locating pins, three of the elastic members, the three of the friction plate assemblies being disposed about a center of the rotational axis, the three of the locating pins being correspondingly mounted on a same side of the slider.

4. A friction shoe assembly for a pull-free engine starter of claim 3 wherein the three spring members are connected at each end to three of said friction plate assemblies.

5. The friction shoe assembly for a pull-free engine starter of claim 1, further comprising a second turntable, the friction plate assembly, the resilient member, and the locating pin being disposed between the first turntable and the second turntable.

6. A friction shoe assembly for a pull-free engine starter of claim 5, wherein a viewing aperture is provided in said second turntable at a location corresponding to each of said mounting apertures.

7. The friction shoe assembly for a pull-free engine starter of claim 5, further comprising a connector having one end connected to the first rotary disk and the other end connected to the second rotary disk.

8. The friction shoe assembly for a pull-free engine starter of claim 1, further comprising a mounting member, one end of the slider being abutted against the abutment, the other end of the slider being connected to the mounting member, the slider being integrally formed with the mounting member.

9. An engine pull-free starter comprising a friction shoe assembly for an engine pull-free starter of any one of claims 1-8.

10. An engine comprising the pull-free starter of the engine as set forth in claim 9.