CN2382541Y

CN2382541Y - Dismantling tool for motorcycle magnetic motor

Info

Publication number: CN2382541Y
Application number: CN 99211700
Authority: CN
Inventors: 张建军; 黄斌
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-04
Filing date: 1999-06-04
Publication date: 2000-06-14
Anticipated expiration: 2009-06-04

Abstract

The utility model discloses a dismantling tool for a motorcycle magnetic motor with power assisted by hydraulic pressure, which can be composed of a variable dismantling head 21 and a hydraulic master device 25, wherein, the hydraulic master device 25 is screwed with the variable dismantling head 21. The utility model is characterized in that the inner wall of the hydraulic master device 25, a piston push rod 23, and a small piston 27 jointly seal a liquid 28; external force applied on a screw rod 26 pushes the piston push rod to move forward via the small piston and the liquid, and oppresses an engine crank shaft 12 to lead the crank shaft 12 to separate from a magnetic motor.

Description

The magnetic motor for motorcycle extracting tool

The utility model relates to a kind of dismounting utensil, specifically, relates to a kind of magnetic motor for motorcycle extracting tool, and especially, the utility model relates to a kind of by hydraulicdriven magnetic motor for motorcycle extracting tool.

In motorcycle repairing, existing magneto extracting tool (as Fig. 1) during work, heads on engine crankshaft 12 by the screw rod 11 that is rotated with in Tool for detaching 14, makes it have a reaction force that magneto 13 is broken away from.This extracting tool because screw rod 11 heads on bent axle 12 and rotates, has very big frictional force between bent axle 12 and the screw rod 11, so bent axle head easy deformation, damage engine crankshaft easily, make that fixedly the nut 15 of magneto is difficult to load onto, serious meeting causes engine crankshaft 12 to be scrapped; Simultaneously, the frictional force between screw rod 11 and the bent axle 12 has weakened the power that acts on the bent axle, makes and must apply bigger active force to screw rod 11, just can make magneto break away from bent axle, not only increased work difficulty and working strength, made dismounting difficulty, when serious even magneto is not torn open not got off.In addition, every kind of instrument of existing extracting tool can only be dismantled a kind of magnetic motor for motorcycle of model, and the limitation of use is bigger.

The purpose of this utility model is to overcome the deficiency of existing extracting tool, provide a kind of and can increase work efficiency, alleviate working strength, not fragile parts, novel structure, easy to use, and the extracting tool of applicable dismounting different model magnetic motor for motorcycle.

For achieving the above object, the utility model is taked following design: this magnetic motor for motorcycle extracting tool, comprise that one connects the Tool for detaching and the screw rod that is used to apply external force of magneto, between Tool for detaching and screw rod, connect a fluid cylinder, comprise a liquid and a piston push rod in the fluid cylinder; Described screw rod drives a piston push rod by liquid, and piston push rod slides in described Tool for detaching and pushes engine crankshaft thus.

In the utility model, described liquid is enclosed in the hydraulic pressure main part by a valve piston and described piston push rod, and described hydraulic pressure main part one end and Tool for detaching are spirally connected, and connect described screw rod in the other end.

In the utility model, described Tool for detaching is connected with described hydraulic pressure main part by the adjustment part that is spirally connected.

In the utility model, establish oil seal groove on the described piston push rod, establish oil seal groove on the described valve piston, charge of oil envelope on the groove.

In the utility model, the contacted inner surface of described Tool for detaching and piston push rod is level and smooth.

In the utility model, described Tool for detaching can to difformity design should be arranged, promptly can correspondence be dismantled the magneto of forward assembling according to the configuration of magneto shape, also can correspondingly dismantle the reverse magneto that assembles or the magneto of other assembling.

According to the utility model, screw rod promotes piston push rod by liquid, makes its moving linearly, acts directly on the engine crankshaft, frictional force is less in the traveling process, thereby external force can concentrate to act on the engine crankshaft by hydraulic booster, can not only increase work efficiency, alleviate working strength, time saving and energy saving, and do not damage parts, reach the good technical effect; Tool for detaching can be designed to multiple style simultaneously, only need change Tool for detaching during work, can dismantle the magnetic motor for motorcycle of multiple model, and is easy to use, is widely used.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is existing magneto extracting tool and working state schematic representation thereof

Fig. 2 is that each parts of the utility model split schematic diagram

Fig. 3 is whole assembling of the utility model and work schematic diagram

Fig. 4 is each parts assembling schematic diagram of the utility model

Fig. 5 is another structural representation of the utility model Tool for detaching

Fig. 6 is another example structure schematic diagram of the utility model

As Fig. 2, shown in Figure 3, a kind of example structure of the present utility model comprises: loading and unloading 21, adjustment part 22, piston push rod 23, hydraulic pressure main part 25, valve piston 27 and screw rod 26.Loading and unloading 21 are one to have externally threaded tubule, the one end can be screwed onto on the magneto, and the other end is screwed onto in the flute profile tubulose adjustment part 22, and loading and unloading 21 inwall are level and smooth, be beneficial to piston push rod 23 and slide therein, reduce the frictional force between inwall and the piston push rod 23;

Hydraulic pressure main part 25 is convex pipes, and its big end outer wall is established screw thread, can be spirally connected with adjustment part 22 inwalls; Its small end inwall is established one section screw thread, in order to the screw rod 26 that is spirally connected; Hydraulic pressure main part 25 inwall mid portions are level and smooth, and a built-in valve piston 27 contacts with screw rod 26, and holds inwall to establish a piston push rod 23 greatly, and piston push rod 23 bar portions can stretch in the Tool for detaching and slide and promotion engine crankshaft 12; By piston push rod 23, valve piston 27 forms a fluid chamber with hydraulic pressure main part 25 inwalls, in order to carrying liquid 28, for making the liquid sealing good, on piston push rod 23 and valve piston 27, is arranged with oil sealing groove 231 and 271, puts oil sealing on the oil seal groove.Hydraulic pressure main part 25 is bolted on the adjustment part 22, thereby whole extracting tool tightly is connected on the magneto.

The extracting tool of this kind structure can assemble like this, referring to Fig. 4: (A), screw rod 26 screwed in hydraulic pressure main parts 25 after, valve piston 27 is pushed in the hydraulic pressure main part 25; (B), hold up hydraulic pressure main part 25, push piston push rod 23 again to wherein pouring into liquid 28; (C), liquid sealed after, the big end of hydraulic pressure main part 25 is screwed into adjustment part 22 inwalls, (D), Tool for detaching 21 is spun on adjustment part 22 apertures.Like this, each bulk-breaking assembling of extracting tool is finished, and is screwed on the dismounting screw thread of magneto, just can use this instrument dismounting magneto.

Extracting tool is to finish dismantlement work like this: screw rod 26 promotes valve piston 7 and advances, promote piston push rod 23 moving linearlies by liquid 28, piston push rod 23 slides, thrust is on magneto bent axle 12, because bent axle 12 is a securing member, therefore thrust does not move, thereby produce a reverse active force, magneto 13 and engine crankshaft 12 are broken away from, thus magneto is unloaded from engine, after magneto 13 breaks away from, Tool for detaching 21 and magneto 13 are unscrewed, can take off magneto 13.

Be the magneto 13 that adapts to multiple model motorcycle, Tool for detaching can be designed to multiple structure, and the Tool for detaching that uses among Fig. 2-Fig. 4 is applicable to the magneto that the dismounting forward assembles; And Fig. 5 is the another kind of structure of Tool for detaching.This kind Tool for detaching is applicable to the oppositely magneto of assembling of dismounting, and certainly, the design of Tool for detaching is not limited thereto two kinds, can dismantle the setting of mode and multiple structural change is arranged according to magneto.

In addition, the utility model provides a kind of technical scheme by hydraulic booster dismounting magneto, concrete structure member can have a variety of variations, another embodiment for example shown in Figure 6, cancellation adjustment part 22, the stub end of lengthening hydraulic pressure main part 25 is by being provided with one section screw thread 61 at the stub end inwall, directly be screwed onto on the Tool for detaching 21, can reach purpose too by hydraulic booster dismounting magneto.Thereby, any technical solutions of the utility model of utilizing, various other structural adjustment of having done all belong to the disclosed content of the utility model, also all within protection range of the present utility model.

Claims

1. magnetic motor for motorcycle extracting tool, comprise that one connects the Tool for detaching (21) of magneto (13) and is used to apply the screw rod (26) of external force, it is characterized in that, described screw rod (26) drives a piston push rod (23) by liquid (28), and piston push rod (23) slides in described Tool for detaching (21) and pushes engine crankshaft (12) thus.

2. magnetic motor for motorcycle extracting tool according to claim 1, it is characterized in that, described liquid (28) is enclosed in the hydraulic pressure main part (25) by a valve piston (27) and described piston push rod (23), described hydraulic pressure main part (25) one ends and Tool for detaching (21) are spirally connected, and connect described screw rod (26) in the other end.

3. magnetic motor for motorcycle extracting tool according to claim 1 and 2 is characterized in that, described Tool for detaching (21) is connected with described hydraulic pressure main part (25) by the adjustment part (22) that is spirally connected.

4. magnetic motor for motorcycle extracting tool according to claim 1 and 2 is characterized in that, establishes oil seal groove (231) on the described piston push rod (23), establishes oil seal groove (271) on the described valve piston (27), and oil seal groove (231,271) is gone up the cover oil sealing.

5. magnetic motor for motorcycle extracting tool according to claim 1 and 2 is characterized in that, described Tool for detaching (21) is level and smooth with the contacted inner surface of piston push rod (23).

6, magnetic motor for motorcycle extracting tool according to claim 2 is characterized in that, described Tool for detaching (21) is bolted in described hydraulic pressure main part (25) inwall.