CN208703070U - A kind of gearbox increasing gear shaft wearability - Google Patents

Abstract

The utility model discloses a kind of gearbox for increasing gear shaft wearability, including plastic base, it is provided with garment bag at the top of the plastic base, gear is provided at the top of the garment bag, the inner wall of the gear is socketed with metal gear axis.The utility model passes through the mutual cooperation of plastic base, garment bag, metal-toothed wheel shaft and gear, solve the problems, such as that existing gearbox service life is short, the gearbox is when in use, metal-toothed wheel shaft drives garment bag to rotate in plastic base, since the material of garment bag and plastic base is plastic cement, and density is identical, dynamics is uniform both when to rotate, to extend the service life of plastic base, also the service life of gearbox is just extended, the use cost for reducing gearbox improves the practicability of gearbox, therefore is suitble to promote the use of.

Description

A kind of gearbox increasing gear shaft wearability

Technical field

The utility model relates to gearbox technical field, specially a kind of gearbox for increasing gear shaft wearability.

Background technique

Gearbox generally refers to the gearbox of automobile, it is divided into manual, automatic two kinds, and manual transmission is mainly by gear It is formed with axis, variable-speed torque-converting is generated by different gear combinations；And automatic gear-box AT is by hydraulic torque converter, planet tooth Wheel, hydraulic displacement system and hydraulic control system composition, reach variable-speed torque-converting by way of fluid power transmitting and gear combination.

With the development of science and technology, the use of gearbox is also more and more, but existing gearbox service life is short, due to existing Some pedestals and gear shaft are respectively plastics and metal material, and metal from plastic cement since density of material is different, hardness is also different, Frictional rotation, plastic cement position meeting advanced wear reduce gearbox to improve the cost that gearbox uses to the two together Practicability, therefore be not suitable for promote the use of.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of gearbox for increasing gear shaft wearability, has The advantages that long service life, solves the problems, such as that existing gearbox service life is short.

(2) technical solution

To realize above-mentioned purpose with long service life, the utility model is provided the following technical solutions: a kind of increase gear shaft The gearbox of wearability, including plastic base are provided with garment bag at the top of the plastic base, set at the top of the garment bag It is equipped with gear, the inner wall of the gear is socketed with metal gear axis.

Preferably, the surface of the metal-toothed wheel shaft is through to the inside of garment bag and is socketed with the inside of garment bag, institute The bottom for stating garment bag is through to the inner cavity of plastic base and is flexibly connected with the inner wall of plastic base.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of gearbox for increasing gear shaft wearability, has following The utility model has the advantages that

1, the utility model passes through the mutual cooperation of plastic base, garment bag, metal-toothed wheel shaft and gear, solves existing The short problem of gearbox service life, when in use, metal-toothed wheel shaft drives garment bag to turn in plastic base to the gearbox Dynamic, since the material of garment bag and plastic base is plastic cement, and density is identical, so that dynamics is uniform both when rotating, thus In the service life for extending plastic base, the service life of gearbox is also just extended, the use cost of gearbox is reduced, improves change The practicability of fast case, therefore be suitble to promote the use of.

2, the utility model can play the role of protection to plastic base, avoid metal-toothed by the setting of garment bag Wheel shaft rotates the situation for causing plastic base to damage directly in plastic base, to extend the service life of plastic base.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

In figure: 1 plastic base, 2 metal-toothed wheel shafts, 3 garment bags, 4 gears.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, a kind of gearbox for increasing gear shaft wearability, including plastic base 1, the top of plastic base 1 It is provided with garment bag 3, the top of garment bag 3 is provided with gear 4, and the inner wall of gear 4 is socketed with metal gear axis 2, metal gear The surface of axis 2 is through to the inside of garment bag 3 and is socketed with the inside of garment bag 3, and the bottom of garment bag 3 is through to plastic base 1 inner cavity is simultaneously flexibly connected with the inner wall of plastic base 1, by the setting of garment bag 3, can play protection to plastic base 1 Effect avoids metal-toothed wheel shaft 2 and rotates the situation for causing plastic base 1 to damage directly in plastic base 1, to extend The service life of plastic base 1.

When in use, by the setting of garment bag 3, protection can be played the role of to plastic base 1, avoids metal gear Axis 2 rotates the situation for causing plastic base 1 to damage directly in plastic base 1, to extend the use longevity of plastic base 1 Life, to also just extend the service life of gearbox by protecting to plastic base 1, reduces the use of gearbox Cost, the advantages of having reached the gearbox long service life at this time.

In conclusion the gearbox of the increase gear shaft wearability, passes through plastic base 1, garment bag 3, metal-toothed wheel shaft 2 With the mutual cooperation of gear 4, solve the problems, such as that existing gearbox service life is short.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (2)

1. a kind of gearbox for increasing gear shaft wearability, including plastic base (1), it is characterised in that: the plastic base (1) Top be provided with garment bag (3), be provided with gear (4) at the top of the garment bag (3), the socket of the inner wall of the gear (4) There are metal-toothed wheel shaft (2).

2. a kind of gearbox for increasing gear shaft wearability according to claim 1, it is characterised in that: the metal gear The surface of axis (2) is through to the inside of garment bag (3) and is socketed with the inside of garment bag (3), and the bottom of the garment bag (3) is passed through It wears to the inner cavity of plastic base (1) and is flexibly connected with the inner wall of plastic base (1).