CN201133461Y

CN201133461Y - Worm wheel device reinforcing structure

Info

Publication number: CN201133461Y
Application number: CNU2007201752326U
Authority: CN
Inventors: 吴荣真
Original assignee: MOTORIZE YOUR WORLD CO Ltd
Current assignee: MOTORIZE YOUR WORLD CO Ltd
Priority date: 2007-08-28
Filing date: 2007-08-28
Publication date: 2008-10-15
Anticipated expiration: 2017-08-28

Abstract

The utility model relates to a worm wheel reinforcing structure of a worn wheel device, wherein, containing spacing used to contain a worm wheel set and a worm set is formed around the inner wall of a shell; the worm set can drive the meshed worm wheel set to rotate; the worm wheel set drives a connected and pre-set disc antenna to receive angle adjustment; a metal sheet is fixed on a shaft lever of the worm wheel set in forms of welding, tightly fitting and pressing in, etc., so that the metal sheet is tightly integrated with the shaft lever and the peripheral of the metal sheet emits and shapes a plastic worm wheel; because of the structure design, when the worm wheel rotates, the metal sheet coated by plastics can drive the tightly integrated shaft lever to rotate at the same time, so that the rotating structure strength between the shaft lever and the worm wheel can be enhanced, so as to enhance the rotating force, prevent the shaft lever from automatically rotating and skidding and resist torque force.

Description

A kind of worm gear reinforced structure of gear

Technical field

The present invention is the worm gear reinforced structure that relates to a kind of gear, refers to a kind of reinforced structure that is applied to the antenna rotator gear especially.

Background technique

General satellite antenna utilizes a rotor to use as the auxiliary receiving angle of revising satellite antenna usually, and fast aerial angle is locked in certain scope, could find target satellite faster like this, and rotor turns round by the engagement of a worm and gear device usually, can drive the body that is connected with rotor disc-shaped antenna is carried out angular adjustment, because worm gear is to see through worm drive, make the spindle rotation of worm gear drives itself, could adjust the angle of disc-shaped antenna, because worm gear is made with plastic materials, axostylus axostyle then is to make with metal material, when axostylus axostyle is embedded in worm gear, because it is very strong to drive the strength of disc-shaped antenna rotation, add axostylus axostyle hardness than worm gear hardness height, easily because of the rotation of axostylus axostyle or because of the excessive torsion of external force (as high wind) moment generation, and cause the interlock power of worm gear and axostylus axostyle not good, direct scratch worm gear internal diameter and form wearing and tearing, make axostylus axostyle, the worm gear separation is skidded, rotation, and then the disc-shaped antenna that makes worm gear can't effectively drive axostylus axostyle and linking thereof is adjusted receiving angle, so, to how to improve the disadvantages that above-mentioned worm and gear device is produced, be and be engaged in the direction place that this journey dealer desires most ardently improvement.

Summary of the invention

Technical problem to be solved by this invention is that a kind of worm gear reinforced structure of gear is provided.

Its main purpose is to be fixed with tinsel on the axostylus axostyle by worm gear, then again the plastics worm gear is coated on the tinsel periphery with injection molding method, increases the power of rotation and prevents that the axostylus axostyle rotation from skidding and twisting resistance with this.

Secondary objective of the present invention is that being fixed with tinsel by axostylus axostyle has welding or close-fitting to be pressed into mode, when worm gear rotates, increases the driving moment of tinsel to friction tight axostylus axostyle.

For achieving the above object, the technical solution adopted in the present invention is as described below: a kind of worm gear reinforced structure of gear, include housing, worm gear and worm screw group, wherein this worm screw group can drive the worm gear rotation of engagement, worm gear then drives the default disc-shaped antenna that is connected and adjusts receiving angle, wherein, the periphery of inner wall of this housing is formed with the containing space that can supply to accommodate worm gear and worm screw group; This worm gear has an axostylus axostyle, and is fixed with tinsel on the axostylus axostyle, and in the peripheral ejection formation of tinsel the plastics worm gear is arranged, and the plastics worm gear then is meshing with each other with the worm screw group.

This tinsel can be welded on the axostylus axostyle.

This tinsel can the close-fitting mode be pressed on the axostylus axostyle, and the axis hole of tinsel has plural latch and forms drive fit with the embossing on axostylus axostyle surface.

This tinsel is arranged with plural penetration hole in the circumference place, and the plastics of the worm gear of ejection formation can fill up penetration hole.

This tinsel has plural flange in outer rim, and the plastics of the worm gear of ejection formation can fill up plural flange.

The technique effect of this scheme is:

(1) owing to is fixed with tinsel on the axostylus axostyle of worm gear, then again the plastics worm gear is coated on the tinsel periphery with injection molding method, when worm gear rotates, can rotate simultaneously by being driven the axostylus axostyle of combining closely by the tinsel of plastic overmold, the strength that worm gear is rotated is converted on the tinsel, again by tinsel to closely fixing axostylus axostyle driven rotary, and then can strengthen axostylus axostyle and worm gear between rotational structure intensity, increase the power of rotation and prevent that the axostylus axostyle rotation from skidding with this.

(2) because being fixed with the mode of tinsel, axostylus axostyle have welding or close-fitting to be pressed into mode, and close-fitting to be pressed into mode be that embossing with the plural latch of tinsel and axostylus axostyle surface forms drive fit, penetrate in tinsel again and be coated with the plastics worm gear, when worm gear rotates, can increase the driving moment of tinsel to friction tight axostylus axostyle.

Description of drawings

Fig. 1 is the stereo appearance figure of preferred embodiment of the present invention;

Fig. 2 is the three-dimensional exploded view of preferred embodiment of the present invention;

Fig. 3 is the three-dimensional local constitutional diagram of preferred embodiment of the present invention;

Schematic representation when Fig. 4 combines with axostylus axostyle for the tinsel of worm gear of the present invention;

Side cutaway view when Fig. 5 combines with axostylus axostyle for the tinsel of worm gear of the present invention;

Fig. 6 is coated on the side cutaway view of tinsel for worm gear moulding of the present invention.The primary component symbol description

1, housing

10, containing space 12, inwall

11, axis hole

2, worm gear

21, axostylus axostyle 231, axis hole

211, embossing 232, latch

22, worm gear 233, penetration hole

23, tinsel 234, flange

3, worm screw group

31, worm screw 33, transmission unit

32, slide block

5, transmission device

6, body

7, disc-shaped antenna

Embodiment

Illustrate that with regard to preferred embodiment of the present invention its feature and function are as follows below in conjunction with accompanying drawing in detail.

Please consult Fig. 1, Fig. 2, shown in Figure 3 simultaneously, for stereo appearance figure, three-dimensional exploded view and the three-dimensional local constitutional diagram of preferred embodiment of the present invention, find out by knowing among the figure, worm screw of the present invention is adjusted structure and is made up of housing 1,

worm gear

2 and 3 of worm screw groups; Wherein:

Being formed with around the inwall 12 of this housing 1 can be for the containing space 10 of accommodating worm gear 2 and worm screw group 3, and offer the axis hole 11 that interlinks with containing space 10 in housing 1 one side surfaces, and axis hole 11 can penetrate and forms the pivot joint states with worm gear 2 for a body 6.

This worm gear 2 has an axostylus axostyle 21 and is sheathed on worm gear 22 on the axostylus axostyle 21, and axostylus axostyle 21 ends are connected in the axis hole 11 of housing 1 body 6 is arranged, and then is provided with one in the worm gear 22 and is the tinsel 23 of stationary state with axostylus axostyle 21.

This worm screw group 3 has and worm gear 22 engaged worm 31, and worm screw 31 1 ends are equipped with slide block 32, and worm screw 31 end in addition then is provided with transmission unit 33, and drives transmission units 33 by transmission device 5 and make worm screw 31 rotations.

Moreover, by above-mentioned member in group during structure, elder generation puts into worm gear 2 and worm screw group 3 containing space 10 of housing 1, and make worm gear 22 and worm screw 31 form engagement, the axostylus axostyle 21 of worm gear 2 then is coupled condition with penetrating in the body 6 of housing 1 axis hole 11, and in addition, 32 of the slide blocks of worm screw group 3 support inwall 12 places of housing 1 one sides, there is transmission device 5 transmission unit 33 that worm screw 31 is held in addition then joint, can finish overall package of the present invention.

Please consult Fig. 4 simultaneously, Fig. 5, shown in Figure 6, schematic representation when combining with axostylus axostyle for the tinsel of worm gear of the present invention, side cutaway view when the tinsel of worm gear combines with axostylus axostyle and worm gear moulding are coated on the side cutaway view of tinsel, find out by knowing among the figure, the design of this worm gear 2, be earlier tinsel 23 to be fixed on the axostylus axostyle 21, its means of fixation can be welding or the mode that is pressed into of close-fitting, and the mode that this preferred embodiment is pressed into close-fitting is done an explanation, and non-limiting claim of the present invention, tinsel 23 closely is fixed on the axostylus axostyle 21 to get final product, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present invention, close and give Chen Ming.

Be with, the axis hole 231 of its tinsel 23 can be designed to plural latch 232, and make the plural latch 232 of tinsel 23 and the embossing 211 on axostylus axostyle 21 surfaces form drive fits, then again worm gear 22 is coated on tinsel 23 peripheries with injection molding method, see through the drive fit design of tinsel 23 and axostylus axostyle 21, can strengthen axostylus axostyle 21 and worm gear 22 between rotational structure intensity, and then increase the power of interlock and prevent that axostylus axostyle 21 rotations from skidding.

Moreover, above-mentioned tinsel 23 is except having the axis hole 231 with latch 232, be provided with the penetration hole 233 of plural number arrangement in addition in the circumference place and be provided with flange 234 in outer rim, mainly be when 22 ejaculations of plastics worm gear are coated on tinsel 23, the plastics of its worm gear 22 can fill up penetration hole 233 and flange 234, when worm gear 22 rotates, can increase the moment that 22 pairs of tinsels of worm gear 23 drive, again by 23 pairs of friction tight axostylus axostyle 21 driven rotary of tinsel.

When the transmission unit 33 of transmission device 5 drive worm screw groups 3 makes worm screw 31 do a rotation, can drive worm gear 22 rotations of worm gear 2 by worm screw 31, worm gear 22 then sees through tinsel 23 axostylus axostyles 21 friction tight with it that penetrate coating and rotates simultaneously, just can drive the body 6 that is connected by axostylus axostyle 21 and in the axis hole 11 of housing 1, form axially rotation, so, can drive the disc-shaped antenna 7 that is connected by body 6 and adjust the angle that the antenna desire receives.

The present invention is characterized in to be fixed with on the axostylus axostyle 21 tinsel 23; then again plastics worm gear 22 being coated on tinsel 23 peripheries with injection molding method is main key protection point; with this structural design; when worm gear 22 rotates; can rotate simultaneously by being driven the axostylus axostyle 21 of combining closely by the tinsel 23 of plastic overmold; the strength that worm gear 22 is rotated is converted on the tinsel 23; and then can strengthen axostylus axostyle 21 and worm gear 22 between rotational structure intensity; increase the power of rotation and prevent that the axostylus axostyle rotation from skidding and the purpose person of twisting resistance with this; and above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the present invention; only this embodiment is not in order to limit claim of the present invention; all other do not break away from the equalization finished under the disclosed skill spirit to be changed and modifies change, all should be contained in the claim that the present invention contains.

Claims

1, a kind of worm gear reinforced structure of gear, include housing, worm gear and worm screw group, wherein this worm screw group can drive the worm gear rotation of engagement, worm gear then drives the default disc-shaped antenna that is connected and adjusts receiving angle, it is characterized in that the periphery of inner wall of this housing is formed with can be for the containing space of accommodating worm gear and worm screw group; This worm gear has an axostylus axostyle, and is fixed with tinsel on the axostylus axostyle, and in the peripheral ejection formation of tinsel the plastics worm gear is arranged, and the plastics worm gear then is meshing with each other with the worm screw group.

2, the worm gear reinforced structure of gear according to claim 1 is characterized in that this tinsel can be welded on the axostylus axostyle.

3, the worm gear reinforced structure of gear according to claim 1 is characterized in that this tinsel can the close-fitting mode be pressed on the axostylus axostyle, and the axis hole of tinsel has plural latch and forms drive fit with the embossing on axostylus axostyle surface.

4, the worm gear reinforced structure of gear according to claim 1 it is characterized in that this tinsel is arranged with plural penetration hole in the circumference place, and the plastics of the worm gear of ejection formation can fill up penetration hole.

5, the worm gear reinforced structure of gear according to claim 1 it is characterized in that this tinsel has plural flange in outer rim, and the plastics of the worm gear of ejection formation can fill up plural flange.