CN201670258U

CN201670258U - Steering transmission assembly of spiral bevel gear

Info

Publication number: CN201670258U
Application number: CN2010201840174U
Authority: CN
Inventors: 居孝红
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-07
Filing date: 2010-05-07
Publication date: 2010-12-15
Anticipated expiration: 2020-05-07

Abstract

A steering transmission assembly of a spiral bevel gear is characterized by comprising a shell, a driving shaft and a driven shaft, wherein the shell comprises a main body and a cover body arranged at the rear end of the main body; a first shaft cavity and a second shaft cavity are formed on the main body; the axis of the first shaft cavity and the axis of the second shaft cavity are crossed to form an included angle; the driving shaft can be rotationally arranged in the first shaft cavity, a first bevel gear with curved teeth is arranged at the inner end of the driving shaft, and the other end of the driving shaft is connected with a steering wheel operating rod; the driven shaft can be rotationally arranged in the second shaft cavity, a second bevel gear which is in engagement with the first bevel gear and is provided with curved teeth is arranged at the inner end of the driven shaft, and the outer end of the driven shaft is connected with a director. Compared with the prior art, the steering transmission assembly of the spiral bevel gear has the advantages of simple and compact overall structure, convenient installation, reasonable and effective configuration, low running noise and good stability and facilitates the improvement of product qualification ratio.

Description

Spiral bevel gear steering drive assembly

Technical field

The utility model relates to a kind of auto parts and components, relates in particular to a kind of steering drive assembly of be used to be in transmission connection direction device and bearing circle joystick.

Background technology

Traditional motor turning device is generally by the steering dish, through joystick, steering drive assembly, direction device cooperates and the angle of change of direction wheel reaches the purpose that turns to, existing steering drive assembly structure is in the majority with gear transmission, as referenced patent number is Chinese utility model patent " automobile-use hydraulic safe the steering hardware " (Granted publication number: CN2587719Y) of ZL02256045.9, it can also referenced patent number be Chinese utility model patent " automobile-use horizontal bar direct connection the shaft transmission " (Granted publication number: CN201030791Y), again can referenced patent number be 200820026172.6 Chinese utility model patent " steering hardware that put on a kind of bearing circle right side " (Granted publication number: CN201291897Y) of ZL200720018877.9.

Existing disclosed technology, the steering drive assembly structure that wherein relates to are comparatively complicated, and the fault rate height needs a kind of steering drive assembly more exquisite, easy for installation of exploitation.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of spiral bevel gear steering drive assembly simple in structure, easy for installation at the above-mentioned state of the art.

Technical problem to be solved in the utility model provides the low spiral bevel gear steering drive assembly of a kind of fault rate.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of spiral bevel gear steering drive assembly is characterized in that comprising

Housing comprises body and the lid of being located at the body rear end, have first axocoel and second axocoel on the aforesaid body, and the axes intersect of the axis of first axocoel and second axocoel is an angle;

Imput shaft can be arranged in aforesaid first axocoel rotationally, and the inner end is provided with first cone gear with curved tooth, and the outer end then is used for closure dish joystick;

Driven shaft can be arranged in aforesaid second axocoel rotationally, and the inner end is provided with one with the aforementioned first cone gear engaged transmission and have the middle tap generating gear of curved tooth, and the outer end then is used for the closure device.

Smooth and easy for guaranteeing that clutch shaft bearing rotates, reduce noise, described first axocoel comprises first exocoel of the wide mouth of first inner chamber and outer end of inner end slot, one clutch shaft bearing is located in aforesaid first exocoel, one first needle bearing is located in aforesaid first inner chamber, and described imput shaft then ecto-entad runs through successively by the aforesaid clutch shaft bearing and first needle bearing.

As preferably, be provided with a swivel nut in described first exocoel, this swivel nut inboard has the interior step of an annular, and described clutch shaft bearing is arranged at this swivel nut inner chamber and an end is limited on the aforesaid interior step, the other end is limited in the described swivel nut with one first jump ring, and one second jump ring is arranged at described clutch shaft bearing front end face and breaks away from from the first axocoel external port with the restriction swivel nut.Compact to design, spacing accurate, not that imput shaft is gone here and there back and forth as much as possible.

Further, be provided with the bearing cap shim of an adjusting play between described second jump ring and the clutch shaft bearing front end face.Be adjusted to the imput shaft maximum 0.10mm of play up and down.In fitting process, by the tightest assembling upwards 0.10mm shifting amount can be arranged, remedy the imput shaft jerk value, after the imput shaft outer end is knocked like this, imput shaft can not gone here and there yet, eliminated stuck phenomenon, also can avoid cone gear idle running, improved the qualification rate of product because of moving two cone gears that bring of axle string.

As improvement, described swivel nut lumen port is provided with an oil sealing, and this oil sealing covers clutch shaft bearing.

Further strengthen fastness, the described first axocoel external port is provided with one and swivel nut is positioned first in first axocoel screws nut.

Smooth and easy for guaranteeing that second bearing rotates, reduce noise, described second axocoel comprises second exocoel of the wide mouth of second inner chamber and outer end of inner end slot, one second bearing is located in aforesaid second exocoel, one second needle bearing is located in aforesaid second inner chamber, and described driven shaft then ecto-entad runs through successively by aforesaid second bearing and second needle bearing.Be provided with a needle bearing entad between the inwall of described middle tap generating gear and body.

Further strengthen fastness, described second bearing is arranged in second exocoel by one first nut, and one second jam nut is arranged at the outside of first nut.

The described second axocoel outer end is provided with a dust protecting cap, and described second jam nut and first nut are positioned at this dust protecting cap, and this dust protecting cap is then stretched out in the outer end of described driven shaft.

Compared with prior art, advantage of the present utility model is: integral structure is simply compact, easy for installation, and preparation is rationally effective, and the operation noise is little, and stability is good, and unitary construction is beneficial to product and improves qualification rate.

Description of drawings

Fig. 1 is the example structure scheme drawing.

Fig. 2 is the structural representation of Fig. 1 middle shell.

Fig. 3 divides the spatial structure scheme drawing for axle shaft section among Fig. 1.

Fig. 4 is the three-dimensional exploded view of Fig. 3.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As depicted in figs. 1 and 2, the spiral bevel gear steering drive assembly in the present embodiment comprises housing 1, imput shaft 2 and driven shaft 3.Housing 1 comprises body 11 and lid 12, has first axocoel 7 and second axocoel 8 on the body 11, and the axes intersect of the axis of first axocoel 7 and second axocoel 8 is an angle.First axocoel 7 comprises the first exocoel 1e of the wide mouth of the first inner chamber 1f and outer end of inner end slot, and clutch shaft bearing 1a is located in the first exocoel 1e, and the first needle bearing 1b is located in the first inner chamber 1f; Second axocoel 8 comprises the second exocoel 2e of the wide mouth of the second inner chamber 2f and outer end of inner end slot, and the second bearing 2a is located in the second exocoel 2e, and the second needle bearing 2b is located in the second inner chamber 2f.Lid 12 is located at body 11 rear ends by screw 6.

Imput shaft 2 can be arranged in first axocoel 7 rotationally, and the inner end is provided with first a cone gear 1d with curved tooth, and the outer end then is used for closure dish joystick; 2 ecto-entads of imput shaft run through successively by the clutch shaft bearing 1a and the first needle bearing 1b.

In conjunction with Fig. 3 and shown in Figure 4, be provided with a swivel nut 21 in the first exocoel 1e, these swivel nut 21 inboards have the interior step of an annular, clutch shaft bearing 1a is arranged at swivel nut 21 inner chambers and an end is limited on the interior step, the other end is limited in the swivel nut 21 with first jump ring 41, swivel nut 21 lumen port are provided with an oil sealing 22, and this oil sealing 22 covers clutch shaft bearing 1a.Second jump ring 42 is arranged at clutch shaft bearing 1a front end face and breaks away from from first axocoel, 7 external port with restriction swivel nut 21.Be provided with the bearing cap shim 5 of an adjusting play between second jump ring 42 and the clutch shaft bearing 1a front end face, be adjusted to the imput shaft 2 maximum 0.10mm of play up and down.In fitting process, by the tightest assembling upwards 0.10mm shifting amount can be arranged, remedy imput shaft 2 jerk values.First axocoel, 7 external port are provided with first and screw nut 1c and swivel nut 21 is positioned in first axocoel 7 further spacing swivel nut 21.

With reference to figure 1, driven shaft 3 can be arranged in second axocoel 8 rotationally, and the inner end is provided with the first cone gear engaged transmission and has the middle tap generating gear 2d of curved tooth, and the outer end then is used for the closure device.3 ecto-entads of driven shaft run through successively by the second bearing 2a and the second needle bearing 2b.Be provided with entad needle bearing 33 between the inwall of middle tap generating gear 2d and body 11.The second bearing 2a is arranged in the second exocoel 2e by first nut 31, the second jam nut 2c is arranged at the outside of first nut 31, driven shaft 3 just can not be gone here and there back and forth like this, the second axocoel 2e outer end is provided with a dust protecting cap 32, the second jam nut 2c and first nut 31 are positioned at this dust protecting cap 32, and this dust protecting cap 32 is then stretched out in the outer end of driven shaft 3.

Claims

1. a spiral bevel gear steering drive assembly is characterized in that comprising

2. spiral bevel gear steering drive assembly according to claim 1, it is characterized in that described first axocoel comprises first exocoel of the wide mouth of first inner chamber and outer end of inner end slot, one clutch shaft bearing is located in aforesaid first exocoel, one first needle bearing is located in aforesaid first inner chamber, and described imput shaft then ecto-entad runs through successively by the aforesaid clutch shaft bearing and first needle bearing.

3. spiral bevel gear steering drive assembly according to claim 2, it is characterized in that being provided with a swivel nut in described first exocoel, this swivel nut inboard has the interior step of an annular, and described clutch shaft bearing is arranged at this swivel nut inner chamber and an end is limited on the aforesaid interior step, the other end is limited in the described swivel nut with one first jump ring, and one second jump ring is arranged at described clutch shaft bearing front end face and breaks away from from the first axocoel external port with the restriction swivel nut.

4. spiral bevel gear steering drive assembly according to claim 3 is characterized in that being provided with between described second jump ring and the clutch shaft bearing front end face bearing cap shim of an adjusting play.

5. spiral bevel gear steering drive assembly according to claim 3 is characterized in that described swivel nut lumen port is provided with an oil sealing, and this oil sealing covers clutch shaft bearing.

6. according to claim spiral bevel gear steering drive assembly according to claim 3, it is characterized in that the described first axocoel external port is provided with one and swivel nut is positioned first in first axocoel screws nut.

7. according to the described spiral bevel gear steering drive assembly of arbitrary claim in the claim 1～6, it is characterized in that described second axocoel comprises second exocoel of the wide mouth of second inner chamber and outer end of inner end slot, one second bearing is located in aforesaid second exocoel, one second needle bearing is located in aforesaid second inner chamber, and described driven shaft then ecto-entad runs through successively by aforesaid second bearing and second needle bearing.

8. spiral bevel gear steering drive assembly according to claim 6 is characterized in that being provided with between the inwall of described middle tap generating gear and body a needle bearing entad.

9. spiral bevel gear steering drive assembly according to claim 6 is characterized in that described second bearing is arranged in second exocoel by one first nut, and one second jam nut is arranged at the outside of first nut.

10. spiral bevel gear steering drive assembly according to claim 9, it is characterized in that the described second axocoel outer end is provided with a dust protecting cap, described second jam nut and first nut are positioned at this dust protecting cap, and this dust protecting cap is then stretched out in the outer end of described driven shaft.