CN101956638B

CN101956638B - Disengaging safety handle

Info

Publication number: CN101956638B
Application number: CN2009101575522A
Authority: CN
Inventors: 吕振铁
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-13
Filing date: 2009-07-13
Publication date: 2012-03-14
Anticipated expiration: 2029-07-13
Also published as: CN101956638A

Abstract

The invention discloses a disengaging safety handle comprising a handle and a starting shaft which is fixedly connected with the handle, as well as a chassis sheathed on the starting shaft and an outer sleeve, wherein a notch is formed at one end which is connected with the chassis of the outer sleeve, the lower end surface without the notch of the outer sleeve is connected with the upper end surface back-facing to the handle of the chassis, a fixed bolt which is coupled with the chassis is arranged on the upper end surface of the chassis, a spring is connected between the side face back-facing to the starting shaft of the fixed bolt and the position which corresponds to the side surface of the outer sleeve, a groove is arranged on the outer surface of the starting shaft, one end which is not coupled with the chassis of the fixed bolt is clamped in the groove, the disengaging safety handle is further provided with a fixed seat connected with an internal combustion engine body, a fixing part is arranged at one end which is connected with the internal combustion engine body of the fixed seat, and a clamping part which adapts to the notch of the outer sleeve for clamping is arranged at the other end. Once the starting contrarotation of the disengaging safety handle happens, the fixed bolt can clamp the groove, thereby preventing the contrarotation and avoiding safety accidents.

Description

Disengaging safety handle

Technical field

The present invention relates to a kind of internal combustion engine start instrument, relate in particular to a kind of disengaging safety handle.

Background technique

Counter-rotating often appears starting in internal-combustion engine in the process of manual cranking; The starting handle counter-rotating casualty accident that causes thus happens occasionally; For this reason, also occurred some on the market and can stop the dead-man's handle that starts counter-rotating, yet the structure of these dead-man's handles is all too complicated; Cost is also high, also is unfavorable for selling so promptly be unfavorable for producing.

Summary of the invention

In view of this, technical problem to be solved by this invention is: a kind of simple in structure, disengaging safety handle that cost is low is provided.

In order to achieve the above object, the present invention adopts following technological scheme to realize:

A kind of disengaging safety handle; Comprise handle and affixed startup axle thereof, and be placed on the overcoat that a end that said chassis and this chassis that starts on the axle connect has recess, wherein; The lower end surface that said overcoat is not provided with recess is connected in the upper-end surface of said handle dorsad, said chassis; The upper-end surface on said chassis is provided with the fixed bolt that is coupling in said chassis, and the side of the said dorsad startup axle of said fixed bolt and said overcoat are to being connected with spring between the position of side, and the axle outside of said startup axle is provided with groove; Said fixed bolt is not coupling and is placed in said groove in an end on said chassis; Said disengaging safety handle also is provided with a fixed base that connects IC engine airframe, and the end that said fixed base connects said IC engine airframe is provided with fixing part, and the other end is provided with the holding division that adaptive said overcoat recess fixes.

As preferably; Said startup axle is positioned on the axle outside above the said fixed bolt and also is provided with the fixing slot around said startup axle; The corresponding said fixing slot of said outer casing inner wall lower end next-door neighbour's position is provided with the supporting portion that is parallel to said fixing slot; Said disengaging safety handle also is provided with annular fixed plate, and said supporting portion butt is supported in the lower end surface of said fixed plate, and the upper-end surface of said fixed plate is parallel to the lower end surface of said fixing slot; Said disengaging safety handle also is provided with jump ring, and said jump ring is placed in the said fixing slot and its lower end surface is connected to the upper-end surface of said fixed plate.

As preferably, said disengaging safety handle also is provided with locating stud, and said locating stud is fixedly connected on the upper-end surface on said chassis, and said fixed bolt is coupling through said locating stud and said chassis.

As preferably, the lower end of said supporting portion is provided with adaptive said fixed bolt and the ccontaining containing groove of said locating stud.

As preferably, the position that said fixed bolt connects said spring is provided with the spring receiving hole, and the end that said spring does not connect said overcoat is placed in the said spring receiving hole.

As preferably, the position of the corresponding said locating stud in said supporting portion is provided with positioning hole, and the end that said locating stud does not connect said chassis is arranged in said positioning hole.

As preferably, the recess of said outer set upper side is the recess more than three or three, and the holding division of said fixed base is that the recess more than three or three fixes bolt.

As preferably, the fixing part of said fixed base is the two or more fixing parts that are provided with the bolt coupling hole.

Can know by technique scheme, the invention has the beneficial effects as follows:

Compare existing technology, disengaging safety handle of the present invention is through fixed bolt that the groove that starts axle axle outside and chassis are coupling and be connected fixed bolt and the setting of the spring of overcoat and cooperation, and it is gone everywhere without any hindrance here in the process of forward rotation starting apparatus combustion engine; And in case counter-rotating takes place to start; Fixed bolt will block groove under the elastic force of spring, stop to start the axle counter-rotating, thereby avoids the security incident that possibly cause thus; Principle of the present invention is ingenious, simple in structure; Cheap, both helped manufacturing, also being beneficial to sales promotion, be the perfect adaptation of succinct, efficient and practicability.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 starts the perspective view on axle and chassis for the present invention.

Fig. 3 looks up structural representation for overcoat of the present invention.

Fig. 4 is an overcoat plan structure schematic representation of the present invention.

The structural representation that Fig. 5 is connected with overcoat for chassis of the present invention.

Fig. 6 is used to connect the schematic representation of the fixed base of IC engine airframe for the present invention.

Fig. 7 is the structural representation of fixed plate of the present invention.

Fig. 8 is the structural representation of jump ring of the present invention.

Fig. 9 is a linkage structure schematic representation of the present invention.

Embodiment

In order to make those skilled in the art can further understand characteristic of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing.

See also Fig. 1 to shown in Figure 9; The invention provides a kind of disengaging safety handle; Comprise handle 1 and affixed startup axle 2 thereof, and be placed on the overcoat 4 that a end that said chassis 3 and this chassis that starts on the axle 2 connect has recess 15, wherein; The lower end surface that said overcoat 4 is not provided with recess 15 is connected in the upper-end surface of the said dorsad handle 1 in said chassis 3; The upper-end surface on said chassis 3 is provided with the fixed bolt 6 that is coupling in said chassis 3, and said

dorsad side

21 and 4 pairs in the said overcoat that starts axle 2 of said fixed bolt 6 should be connected with spring 8 between the position of side 21, and the said axle outside that starts axle 2 is provided with groove 5; Said fixed bolt 6 is not coupling and is placed in said groove 5 in an end on said chassis 3; Said disengaging safety handle also is provided with a fixed base 13 that connects IC engine airframe, and the end that said fixed base 13 connects said IC engine airframe is provided with fixing part 14, and the other end is provided with the holding division 16 that adaptive said overcoat recess 15 fixes; The said startup on the axle outside that axle 2 is positioned at said fixed bolt 6 tops also is provided with the fixing slot 9 that starts axle 2 around said; The corresponding said fixing slot of said overcoat 4 inwalls 9 lower ends next-door neighbour's position is provided with the supporting portion 10 that is parallel to said fixing slot 9, and said disengaging safety handle also is provided with annular fixed plate 11, and said supporting portion 10 butts are supported in the lower end surface of said annular fixed plate 11; The upper-end surface of said fixed plate 11 is parallel to the lower end surface of said fixing slot 9; Said disengaging safety handle also is provided with jump ring 12, and said jump ring 12 is placed in the said fixing slot 9 and its lower end surface is connected to the upper-end surface of said fixed plate 11, and said disengaging safety handle also is provided with locating stud 17; Said locating stud 17 is fixedly connected on the upper-end surface on said chassis 3; Said fixed bolt 6 is coupling through said locating stud 17 and said chassis 3, and the lower end of said supporting portion 10 is provided with the ccontaining containing groove 18 of adaptive said fixed bolt 6 and said locating stud 17, and the position that said fixed bolt 6 connects said spring 8 is provided with spring receiving hole 7; The end that said spring 8 does not connect said overcoat 4 is placed in the said spring receiving hole 7; The position of said supporting portion 10 corresponding said locating studs 17 is provided with positioning hole 19, and the end that said locating stud 17 does not connect said chassis 3 is arranged in said positioning hole 19, and the recess 15 of said overcoat 4 upper ends is the recess more than three or three; The holding division 16 of said fixed base 13 is that the recess more than three or three fixes bolt, and the fixing part 14 of said fixed base 13 is for being provided with two or more fixing parts of bolt coupling hole 20.

Disengaging safety handle of the present invention is gone everywhere without any hindrance here in the process of forward rotation starting apparatus combustion engine, and in case counter-rotating takes place to start; Fixed bolt will block groove under the elastic force of spring; Stop to start the axle counter-rotating, make the handle can backward rotation, thereby avoid the security incident that possibly cause thus.

But the above is merely preferable possible embodiments of the present invention, is not in order to limiting to claim of the present invention, thus the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done change, all in like manner within the scope of the present invention.

Claims

1. disengaging safety handle; Comprise handle and affixed startup axle thereof; And be placed on the overcoat that a end that said chassis and this chassis that starts on the axle connect has recess; It is characterized in that the lower end surface that said overcoat is not provided with recess is connected in the upper-end surface of said handle dorsad, said chassis, the upper-end surface on said chassis is provided with the fixed bolt that is coupling in said chassis; The side of the said dorsad startup axle of said fixed bolt and said overcoat are to being connected with spring between the position of side; The said axle outside that starts axle is provided with groove, and said fixed bolt is not coupling and is placed in said groove in an end on said chassis, and said disengaging safety handle also is provided with a fixed base that connects IC engine airframe; The end that said fixed base connects said IC engine airframe is provided with fixing part, and the other end is provided with the holding division that adaptive said overcoat recess fixes.

2. disengaging safety handle as claimed in claim 1; It is characterized in that; Said startup axle is positioned on the axle outside above the said fixed bolt and also is provided with the fixing slot around said startup axle, and the said fixing slot of said outer casing inner wall correspondence lower end next-door neighbour's position is provided with the supporting portion that is parallel to said fixing slot, and said disengaging safety handle also is provided with annular fixed plate; Said supporting portion butt is supported in the lower end surface of said fixed plate; The upper-end surface of said fixed plate is parallel to the lower end surface of said fixing slot, and said disengaging safety handle also is provided with jump ring, and said jump ring is placed in the said fixing slot and its lower end surface is connected to the upper-end surface of said fixed plate.

3. disengaging safety handle as claimed in claim 2 is characterized in that said disengaging safety handle also is provided with locating stud, and said locating stud is fixedly connected on the upper-end surface on said chassis, and said fixed bolt is coupling through said locating stud and said chassis.

4. disengaging safety handle as claimed in claim 3 is characterized in that, the lower end of said supporting portion is provided with adaptive said fixed bolt and the ccontaining containing groove of said locating stud.

5. disengaging safety handle as claimed in claim 4 is characterized in that, the position that said fixed bolt connects said spring is provided with the spring receiving hole, and the end that said spring does not connect said overcoat is placed in the said spring receiving hole.

6. disengaging safety handle as claimed in claim 5 is characterized in that, the position of the corresponding said locating stud in said supporting portion is provided with positioning hole, and the end that said locating stud does not connect said chassis is arranged in said positioning hole.

7. like any described disengaging safety handle in the claim 1 to 6, it is characterized in that the recess of said outer set upper side is the recess more than three or three, the holding division of said fixed base is that the recess more than three or three fixes bolt.

8. disengaging safety handle as claimed in claim 7 is characterized in that, the fixing part of said fixed base is the two or more fixing parts that are provided with the bolt coupling hole.