CN203957873U - A kind of transfer case of automobile that suspends - Google Patents

Abstract

The transfer case of automobile that suspends, comprises part-time case and suspending apparatus, and described part-time case is located at suspending apparatus inside, and described suspending apparatus is fixed on car body by vehicle frame; This transfer case of automobile that suspends, part-time case is fixed on vehicle frame by mounting bracket and the bumper that is connected with mounting bracket, bumper is absorbing vibration effectively, this utility model has that connection structure is simple, attaching parts is lightweight, connects failure-free advantage, thereby reaches little, lightweight, the energy-conservation fuel-efficient effect of volume of car load product.

Description

A kind of transfer case of automobile that suspends

Technical field

The utility model relates to auto parts and components field, especially a kind of transfer case of automobile that suspends.

Background technology

Automobile is realized the power transmission to propons with part-time case, part-time case is generally arranged on after change-speed box, the input end of part-time case is connected the mouth of change-speed box by transmission shaft, power is delivered to propons and back axle by the front and back mouth of part-time case by transmission shaft after the conversion of part-time case, realizes entirely driving of automobile; It is the bracket that each side has a mounting bracket being connected with part-time case, is connected with vehicle frame at part-time case that the part-time case using at present suspends, support is connected by damping rubber block with tray chamber, realize fixing on part-time case gravity direction, a side at part-time case also needs the mechanisms such as installed thrust bar assembly to realize axial the fixing of part-time case, this kind of suspending mechanism complexity, weight is large, parts are more, cost is high.

Utility model content

The utility model aims to provide provides a kind of simple in structure and can bear the suspend transfer case of automobile good compared with high pulling torque, impact load and damping effect.

For achieving the above object, the utility model provides following technical scheme: a kind of transfer case of automobile that suspends, comprise part-time case and suspending apparatus, and described part-time case is located at suspending apparatus inside, and described suspending apparatus is fixed on car body by vehicle frame, described part-time case comprises housing, input shaft, output shaft, synchro, shift fork (5), swing arm, lead rail axis, arm shaft and shift fork push rod, in described housing, be provided with input shaft, output shaft and lead rail axis, described input shaft and output shaft coaxially arrange, described synchro is located at the joint of input shaft and output shaft, in the periphery of synchro, be provided with the fork moving along input shaft and output shaft axis for stirring synchro, one end of fork is sleeved in lead rail axis, described outside is provided with the swing arm that drives fork to move, in housing, be also provided with arm shaft, one end of arm shaft is stretched out housing and is connected with swing arm, between the arm shaft other end and fork, be connected with fork push rod, described suspending apparatus comprises bumper, mounting bracket, vehicle frame, bumper shell, rubber block, center contiguous block, stereotype plate and flange, described mounting bracket has several and is connected with part-time case by fastener, described bumper has several and one end to be fixed on the other end on mounting bracket to be fixed on vehicle frame, described bumper comprises the tubular bumper shell of a both ends open and is positioned at bumper shell Nei center contiguous block, described center contiguous block is connected with mounting bracket by fastener and fixed packet is wrapped with two rubber blocks, the outer rim of described rubber block is fastened in the endoporus of bumper shell, described center contiguous block has been horizontally disposed with internal thread hole, described bumper shell and vehicle frame coupling end are provided with the flange of relative bumper shell outwardly convex, on described flange, be provided with some mounting holes, fastener is fixed on bumper on vehicle frame by mounting hole, the outer cause rubber fixed packet of described rubber block is covered with the corresponding stereotype plate of endoporus outer rim shape with bumper shell.

Preferably, the aperture that the endoporus that the maximum outer rim width of described rubber block is greater than its corresponding bumper shell matches.

Preferably, in the outer rim shape of described rubber block ellipse combined with it, the shape of bore portion is corresponding.

Preferably, described bumper can bear the pressure of horizontal direction and gravity direction and the twisting resistance of left and right directions.

Compared with prior art, the beneficial effects of the utility model are: this transfer case of automobile that suspends, part-time case is fixed on vehicle frame by mounting bracket and the bumper that is connected with mounting bracket, bumper is absorbing vibration effectively, this utility model has that connection structure is simple, attaching parts is lightweight, connects failure-free advantage, thereby reaches little, lightweight, the energy-conservation fuel-efficient effect of volume of car load product.

Accompanying drawing explanation

Fig. 1 is part-time case structural representation of the present utility model;

Fig. 2 is part-time case birds-eye view of the present utility model;

Fig. 3 is part-time case right elevation of the present utility model;

Fig. 4 is suspending apparatus structural representation of the present utility model;

Fig. 5 is shock absorber structure schematic diagram of the present utility model;

Fig. 6 is bumper longitudinal sectional view of the present utility model;

Fig. 7 is bumper containment structure schematic diagram of the present utility model;

Fig. 8 is center of the present utility model connecting block structure schematic diagram.

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Refer to Fig. 1-8, in the utility model embodiment, a kind of transfer case of automobile that suspends, comprises part-time case and suspending apparatus, and described part-time case is located at suspending apparatus inside, and described suspending apparatus is fixed on car body by vehicle frame (12), described part-time case comprises housing 1, input shaft 2, output shaft 3, synchro 4, shift fork 5, swing arm 6, lead rail axis 7, arm shaft 8 and shift fork push rod 9, in described housing 1, be provided with input shaft 2, output shaft 3 and lead rail axis 7, described input shaft 2 and output shaft 3 coaxially arrange, described synchro 4 is located at the joint of input shaft 2 and output shaft 3, in the periphery of synchro 4, be provided with the fork 5 moving along input shaft 2 and output shaft 3 axis for stirring synchro 4, one end of fork 5 is sleeved in lead rail axis 7, described housing 1 outer setting has the swing arm 6 that drives fork 5 to move, in housing, 1 is also provided with arm shaft 8, one end of arm shaft 8 is stretched out housing 1 and is connected with swing arm 6, between arm shaft 8 other ends and fork 5, be connected with fork push rod 9, described suspending apparatus comprises bumper 10, mounting bracket 11, vehicle frame 12, bumper shell 13, rubber block 14, center contiguous block 15, stereotype plate 16 and flange 17, described mounting bracket 11 has several and is connected with part-time case by fastener, described bumper 10 has several and one end to be fixed on the other end on mounting bracket 11 to be fixed on vehicle frame 12, described bumper 10 comprises the tubular bumper shell 13 of a both ends open and is positioned at bumper shell 13Nei center contiguous block 15, described center contiguous block 15 is connected with mounting bracket 11 by fastener and fixed packet is wrapped with two rubber blocks 14, the aperture that the endoporus that the outer rim of described rubber block 14 is fastened in the endoporus of bumper shell 13 and the maximum outer rim width of rubber block 14 is greater than its corresponding bumper shell 13 matches, in the outer rim shape of described rubber block 14 ellipse combined with it, the shape of bore portion is corresponding, described center contiguous block 15 has been horizontally disposed with internal thread hole, described bumper shell 13 and vehicle frame 12 coupling ends are provided with the flange 17 of relative bumper shell 13 outwardly convexs, on described flange 17, be provided with some mounting holes, fastener is fixed on bumper 10 on vehicle frame 12 by mounting hole, the outer cause rubber fixed packet of described rubber block 14 is covered with the corresponding stereotype plate 16 of endoporus outer rim shape with bumper shell 13.

Preferably, described bumper 10 can bear the pressure of horizontal direction and gravity direction and the twisting resistance of left and right directions.

Principle of work of the present utility model is: the utility model only need to change output state, become and be singly output as bilateral output, can be applied to front-engine rear-drive driving engine, thereby realize four wheel drive function, for four-wheel drive car and beach buggy provide more multi-engined selectivity and economy.Because rubber block 14 cannot freely rotate in oval endoporus, when part-time case work Shi Dui center contiguous block 15 produces twisting resistance, contiguous block 15 rotation drive rubber blocks 14 in center rotate rubber block 14 generation elastic deformations then relative to oval endoporus twisting resistance are absorbed; As a same reason, the power of horizontal direction producing during the work of part-time case that center contiguous block 15 bears be offset absorption, the vibrations that produce when the gravity of part-time case self and part-time case work can elastic deformations occur by rubber block 14, thereby realizes damping effect; In addition, the shape of the interior bore portion that the outer rim shape of two rubber blocks 14 is combined with it is corresponding, can enlarge active surface, make the stressed more even of rubber block 14, and improve service life; At bumper shell 13, flange 17 is set and can conveniently bumper 10 be fixed on vehicle frame 12 and need to increase extra attaching parts, this can reduce costs, and production efficiency is improved; Because stereotype plate 16 is completely coated by rubber block 14, so can effectively prevent that stereotype plate 16 from use getting rusty, and in the time of in the endoporus of filling in bumper shell 13, can prevent that stereotype plate 16 from scratching the paint of hole wall, coated rubber also can prevent the endoporus of bumper shell 13 and the direct contact friction that stereotype plate 16 produces between metal, effectively extends the service life of bumper.

To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, is therefore intended to include in the utility model dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.

In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should make specification sheets as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.

Claims (4)

1. the transfer case of automobile that suspends, comprise part-time case and suspending apparatus, described part-time case is located at suspending apparatus inside, described suspending apparatus is fixed on car body by vehicle frame (12), it is characterized in that: described part-time case comprises housing (1), input shaft (2), output shaft (3), synchro (4), shift fork (5), swing arm (6), lead rail axis (7), arm shaft (8) and shift fork push rod (9), in described housing (1), be provided with input shaft (2), output shaft (3) and lead rail axis (7), described input shaft (2) and output shaft (3) coaxially arrange, described synchro (4) is located at the joint of input shaft (2) and output shaft (3), in the periphery of synchro (4), be provided with the fork (5) moving along input shaft (2) and output shaft (3) axis for stirring synchro (4), one end of fork (5) is sleeved in lead rail axis (7), described housing (1) outer setting has the mobile swing arm (6) of drive fork (5), in housing, (1) is also provided with arm shaft (8), one end of arm shaft (8) is stretched out housing (1) and is connected with swing arm (6), between arm shaft (8) other end and fork (5), be connected with fork push rod (9), described suspending apparatus comprises bumper (10), mounting bracket (11), vehicle frame (12), bumper shell (13), rubber block (14), center contiguous block (15), stereotype plate (16) and flange (17), described mounting bracket (11) has several and is connected with part-time case by fastener, described bumper (10) has several and one end to be fixed on the upper other end of mounting bracket (11) to be fixed on vehicle frame (12), described bumper (10) comprises the tubular bumper shell (13) of a both ends open and is positioned at bumper shell (13) Nei center contiguous block (15), described center contiguous block (15) is connected with mounting bracket (11) by fastener and fixed packet is wrapped with two rubber blocks (14), the outer rim of described rubber block (14) is fastened in the endoporus of bumper shell (13), described center contiguous block (15) has been horizontally disposed with internal thread hole, described bumper shell (13) and vehicle frame (12) coupling end are provided with the flange (17) of relative bumper shell (13) outwardly convex, described flange is provided with some mounting holes on (17), fastener is fixed on bumper (10) on vehicle frame (12) by mounting hole, the outer cause rubber fixed packet of described rubber block (14) is covered with the corresponding stereotype plate of endoporus outer rim shape (16) with bumper shell (13).

2. a kind of transfer case of automobile that suspends according to claim 1, is characterized in that: the maximum outer rim width of described rubber block (14) is greater than the aperture that the endoporus of its corresponding bumper shell (13) matches.

3. a kind of transfer case of automobile that suspends according to claim 1, is characterized in that: in the outer rim shape of described rubber block (14) ellipse combined with it, the shape of bore portion is corresponding.

4. a kind of transfer case of automobile that suspends according to claim 1, is characterized in that: described bumper (10) can bear the pressure of horizontal direction and gravity direction and the twisting resistance of left and right directions.