CN2277610Y - Improved rotary table of TV monitor - Google Patents
Improved rotary table of TV monitor Download PDFInfo
- Publication number
- CN2277610Y CN2277610Y CN 96249153 CN96249153U CN2277610Y CN 2277610 Y CN2277610 Y CN 2277610Y CN 96249153 CN96249153 CN 96249153 CN 96249153 U CN96249153 U CN 96249153U CN 2277610 Y CN2277610 Y CN 2277610Y
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- CN
- China
- Prior art keywords
- ball bearing
- gear shaft
- disk cover
- changer lever
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an improved rotary table of a TV monitor, which comprises a main body, a rotating shaft, a rotating cover, a rotary disc gear assembly, and a rotary direction switching assembly. The main body comprises a motor, a micro switch, a control circuit, and a base seat. A big gear shaft which is arranged in the rotary disc gear assembly is tightly locked with a rotary disc cover through an inner wheel rim which is fixedly clamped on a ball bearing, the outer wheel rim of the ball bearing is fit tightly in a fixing seat of a bearing, and the outer rim of the ball bearing is fixed on the main body. The other end of the big gear shaft is sheathed in the bearing of the main body. When the big gear shaft is driven by the motor, at any user state, a motor output shaft and the big gear shaft all can keep parallel so that the big gear shaft and the rotary disc cover can rotate smoothly to prolong the service life of the motor.
Description
The utility model is relevant a kind of controller, especially refer to a kind of simple and convenient assembly, reduce cost, and under various adverse environments, motor all can not suffer the influence of lateral thrust, and can keep normal rotary manipulation and prolong the televimonitor rotating platform of the improvement in motor useful life.
The problem of the rotating platform of televimonitor on the market existence at present, be that useful life is not long, failure rate is high and assembly process is numerous and diverse, useful life, long reason was that the gear teeth face that Large Gear Shaft During gear and motor are exerted oneself on the axle fails to contact, mesh really, cause motor to be subjected to lateral forces, influence motor useful life.Another failure rate occupies high reason, and to be to control the structural design of sensitive switch changer lever of positive and negative rotation of motor bad, causes the rotating handoff functionality influenced, sensitive switch and produce fault.Add in design initial to the greatest extent desirablely, cause constitutional detail loosening and produce fault and influence useful life for the consideration on centralized positioning, linkage editor and the build-up tolerance.
See also Figure 1 and Figure 2, be the part decomposing schematic representation and the cutaway view of located by prior art.Large Gear Shaft During of located by prior art (13) and motor force-output shaft gear (20) engagement, after installing and fixing seat (15), interlocking disk cover (16) again, because of the assembling circumferential clearance of Large Gear Shaft During (13) and holder (15) big, can't carry out the bearing location, so work as loading or hang upside down when tilt using, Large Gear Shaft During easily causes running to have some setbacks influencing motor useful life because of the influence of side force.Taiwan patent announcement number: Fig. 6 of 180490 " rotating seat of TV monitor " a case and shown in Figure 4, the rotating seat structure of the TV monitor of being introduced is to pass through ball bearing (42) interlocking in disk cover (6) with internal gear (3), because of it only locatees an end, internal gear (3) is subject to the side force effect with motor force-output shaft (22) hanging upside down when tilting then, and influences motor useful life.
Aspect the sensitive switch changer lever, see also shown in Figure 1ly, this sensitive switch changer lever is a crosswise movement, yet it is unsettled form vertically, easily stressedly rock the misoperation that causes motor or motionless and influence motor useful life, this also is one of disadvantage of located by prior art.
At fit on, see also that figure is above-mentioned and commonly use Fig. 3 and Fig. 4 of " rotating seat of TV monitor " a case, swivelling cover (6) and the fixed screw (34) of rotating shaft (5) are failed rapid and precise locking, and cause the inconvenience in the assembling.
Because the existing above-mentioned shortcoming of located by prior art, this creator rely on this in this field for many years enrich practical experience, through long-time research the structure of televimonitor rotating platform has been carried out improvement design.With motor transmission one Large Gear Shaft During, and Large Gear Shaft During and disk cover interlocking, but make the rotation of Large Gear Shaft During transmission disk cover, disk cover is provided with the location lock, can drive the sensitive switch changer lever switch is opened and closed, make positive and negative rotation of motor by circuit controls, disk cover is also along with rotating.
Main purpose of the present utility model; be the rotating platform structure of the televimonitor of the improvement that a kind of simple and convenient assembly is provided, reduces cost; with guarantee horizontal positioned and inclination hangs upside down and various adverse environment under; the all unlikely influence that suffers lateral thrust of motor; and can be by the two-seater location of ball bearing and plane thrust roller bearing; make Large Gear Shaft During all the time with motor force-output shaft keeping parallelism, reach normal revolution operation and prolong the motor effect in useful life.
For achieving the above object, the utility model is taked following technical scheme:
A kind of televimonitor rotating platform of improvement, comprise a body, one rotating shaft, one ball bearing structure, one swivelling cover, wherein body comprises motor again, sensitive switch, control circuit and base, its improvements are, it is provided with a disk gear group, its structure includes disk cover, the monitor fixed mount, Large Gear Shaft During, ball bearing, the ball bearing holder, plane thrust roller bearing and rubber blanket, installing one monitor fixed mount on the disk cover, and the disk cover lower end surface has a locating ring, have the location concurrently and hold out against wheel in the ball bearing, it is smooth and easy that disk cover is rotated; Disk cover and Large Gear Shaft During are locked with screw, and the outer rim of Large Gear Shaft During is a spur gear, and the gear both sides are along stretching out circular shaft, macro-axis and ball bearing inner rim precision-fit; Other end circular shaft then cooperates with plane thrust roller bearing and rubber blanket and is positioned in the main body bearing, ball bearing is tight with in the ball bearing holder, and the ball bearing holder is discoid, outer rim is protruded the block holder of two above five equilibriums, by screw, alignment pin ball bearing holder and whole group disk cover group is fixed on the main body; One direction of rotation switch groups, its structure includes alignment pin, sensitive switch changer lever, changer lever location wall, alignment pin is a shape elastic latch, be embedded on the disk cover outer rim profile of tooth, along with disk cover rotates, when alignment pin contacted with the sensitive switch changer lever, the sensitive switch changer lever was brought to the other end, motor counter-rotating this moment, disk cover are also reversed thereupon and are reached the purpose that direction of rotation is switched; And changer lever location wall is to connect airtight with body inner edge wall, is fixed on the body for the sensitive switch changer lever.
By said modules combination, and the structure of disk gear group, can guarantee disk gear group assembly can locate well, fully in conjunction with and avoid loosening and also can turn round smooth and easyly, the center line of maintenance disk cover group is parallel with motor force-output shaft gear, prolongation motor useful life; The structure of direction of rotation switch groups can make the location firm, reduces because of the loosening sensitive switch that causes lost efficacy, and causes motor malfunction or motionless and formation fault.
Above-mentioned purpose of the present utility model, also can realize by following technical measures:
Use a ball bearing and a plane thrust roller bearing in internal structure, hang upside down when using, wheel closely locks with screw with the locating ring of disk cover in the ball bearing, during positive the use, installs a plane thrust roller bearing in the lower end of Large Gear Shaft During.A rubber blanket is established in the below of plane thrust roller bearing, or can be other rubber-like colloid synthetic, also can be disc spring film, to absorb assembling and manufacturing tolerance, internal structure can be combined closely, and strengthens structural.Above-mentioned changer lever salient point and changer lever location wall are done vertically to fix for the sensitive switch changer lever, make about the sensitive switch changer lever and do not rock, and changer lever location wall also can adopt other form to fix the sensitive switch changer lever to reach locating effect.
Be not difficult to find out that by the above in the problem that the Large Gear Shaft During gear contacts with motor gear, the utility model cooperates the Large Gear Shaft During location with ball bearing, wheel and Large Gear Shaft During precision-fit in the ball bearing; Ball bearing foreign steamer close-fitting is fixed on the ball bearing holder, the ball bearing holder is to be fixed on the body by screw or alignment pin, and the locating ring of disk cover is when disk cover and Large Gear Shaft During are sealed, utilize the size section difference to head on wheel in the ball bearing on the bearing fixed seat tightly, the Large Gear Shaft During other end is positioned in the body bearing, and is so parallel with the motor gear axle really in conjunction with the center line that can guarantee counterpart.
To the sensitive switch changer lever, the utility model is also structurally revised, the action that is the sensitive switch changer lever is for horizontal, at vertical position, fixedly wall and changer lever salient point are consolidated sensitive switch changer lever structure longitudinally to have increased changer lever, like this, can guarantee that the sensitive switch changer lever can not rock back and forth, make it can control positive and negative rotation of motor exactly.
Aspect assembling, the thrust bearing between main body and Large Gear Shaft During, by body projection one ladder location, another ladder of Large Gear Shaft During lower end cooperates the upper body preformed hole in order to assembling; And the upper end of Large Gear Shaft During also is provided with three outstanding screw hole points, in order to location, the assembling of Large Gear Shaft During and disk cover.
In sum, the utlity model has following advantage:
1, disk cover combines firmly with Large Gear Shaft During and does not rock.During assembling on the Large Gear Shaft During end face screw hole of three projections have the function of location, favourable disk cover and Large Gear Shaft During are sealed rapidly.
2, Large Gear Shaft During cooperates the location with the bearing of ball bearing holder, and the other end is inserted in the body bearing, why not sharp environment in office down all with the motor gear keeping parallelism, avoid the side direction active force, can prolong motor useful life.
3, the changer lever salient point makes about the sensitive switch changer lever and does not rock with the design of location wall, avoids misoperation and damages motor or motionless.
4, the thrust bearing below increases a slice rubber blanket, and is in order to absorb because of the part of making, build-up tolerance caused becomes flexible, structural to keep it.
For further understanding characteristics of the present utility model and detailed structure, now for an embodiment and be described with reference to the accompanying drawings as follows:
Fig. 1 is the structural representation of located by prior art mechanical part.
Fig. 2 is the cutaway view of located by prior art.
Fig. 3 is the decomposition texture schematic diagram of the utility model embodiment disk gear group and direction of rotation switch groups.
Fig. 4 is the cutaway view of the utility model embodiment.
See also Fig. 3 and shown in Figure 4, present embodiment comprises: a disk gear group, its structure comprise locating ring (26), Large Gear Shaft During (13), ball bearing holder (15), ball bearing foreign steamer (14), the interior wheel of ball bearing (23), fixed screw (18), fixed screw (19), plane thrust roller bearing (12) and the rubber blanket parts such as (27) of disk cover (16), disk cover again.Ball bearing foreign steamer (14) is that close-fitting is fixed in the ball bearing holder (15), and take turns (23) precision-fit in the ball bearing in Large Gear Shaft During (13), the terrace of Large Gear Shaft During (13) below is to plane thrust roller bearing (12) and rubber blanket (27) location, screw hole on ball bearing holder (15) is fixed on the body (11) with fixed screw (19) again; And Large Gear Shaft During (13) top disk cover (16) constitutes a disk gear group like this with fixed screw (18) combination.
The direction of rotation switch groups: its structure includes alignment pin (17), sensitive switch changer lever (21), changer lever salient point (211), changer lever location wall (22), alignment pin (17) is embedded on the disk cover (16), when disk cover (16) is rotated by motor (28) conduction, alignment pin this moment (17) rotates thereupon, and sensitive switch changer lever (21) is fixed on the body (11) by changer lever location wall (22) with positioning convex point (211), accepts alignment pin (17) action and the switching direction of rotation.
Body (11): its inside includes body bearing (29), motor (28), sensitive switch, control circuit and base (25), owing to be prior art, does not repeat them here.
Disk cover in the disk gear group (16) is a dish and the outer rim five equilibrium is cut to profile of tooth, and disk cover (16) upper end is used for installing monitor fixed mount (24); There is a disk cover locating ring (26) disk cover (16) lower end, when disk cover (16) is locked with fixed screw (18) with Large Gear Shaft During (13), utilize size section poor, this rotating disk locating ring (26) can tightly withstand wheel (23) in the ball bearing, disk cover (16) can smooth and easyly be rotated, Large Gear Shaft During (13) outer rim is a spur gear, two ends are along stretching out circular shaft up and down, last axle cooperates with the inner rim of ball bearing with the precision-fit mode, use for the location, end face is provided with three screw hole points, can do assembling fast with disk cover (16) by fixed screw (18), the location.The axle rank of Large Gear Shaft During (13) below are respectively in order to plane of orientation thrust roller bearing (12), rubber blanket (27) be positioned on the body bearing (29).
Again with ball bearing holder (15), use fixed screw (19) that above-mentioned disk gear group structure is fixed on the body (11), the structure of combining closely all linked with one another, it is parallel that the center line that its purpose is to ensure the disk gear group and the axial line of motor gear (20) are able to, and makes motor not be subjected to the influence of side force.
Use a ball bearing and a plane thrust roller bearing (12) in internal structure, purpose is to make that rotating platform is no matter positive uses or hang upside down use and all can make disk cover (16) running smoothly; Hang upside down when using, the locating ring (26) of wheel (23) and disk cover (16) in the ball bearing, through closely locking of fixed screw (18), rotate smooth and easy, during positive the use, be to fail to hold out against ball bearing, install a plane thrust roller bearing (12) in the lower end of Large Gear Shaft During (13), so that rotate more smooth and easy for fear of Large Gear Shaft During (13).
Rubber blanket (27) is to make and build-up tolerance in order to absorb herein, makes spare part to combine closely, to keep good structural.
Alignment pin (17) contact sensitive switch changer lever (21) is a crosswise movement, and changer lever location wall (22) is vertically fixing with sensitive switch changer lever (21), makes about sensitive switch changer lever (21) and does not rock, and avoids damaging motor or motionless because of misoperation.
In sum, the utility model structure is ingenious, improves the shortcoming of the rotating platform commonly use monitor, and can effectively prolong motor useful life, make assembling convenient, quick, meet novelty, practicality and creationary legal utility model patent important document in the Patent Law.
Claims (4)
1, a kind of televimonitor rotating platform of improvement, comprise a body, one rotating shaft, one ball bearing structure, one swivelling cover, wherein body comprises motor again, sensitive switch, control circuit and base, it is characterized in that, it is provided with a disk gear group, its structure includes disk cover, the monitor fixed mount, Large Gear Shaft During, ball bearing, the ball bearing holder, plane thrust roller bearing and rubber blanket, installing one monitor fixed mount on the disk cover, and the disk cover lower end surface has a locating ring, disk cover and Large Gear Shaft During are locked with screw, and the outer rim of Large Gear Shaft During is a spur gear, the gear both sides are along stretching out circular shaft, macro-axis and ball bearing inner rim precision-fit; Other end circular shaft then cooperates with plane thrust roller bearing and rubber blanket and is positioned in the main body bearing, ball bearing is tight with in the ball bearing holder, and the ball bearing holder is discoid, outer rim is protruded the block holder of two above five equilibriums, by screw, alignment pin ball bearing holder and whole group disk cover group is fixed on the main body;
One direction of rotation switch groups, its structure includes alignment pin, sensitive switch changer lever, changer lever location wall, alignment pin is a shape elastic latch, be embedded on the disk cover outer rim profile of tooth, when alignment pin contacts with the sensitive switch changer lever, the sensitive switch changer lever is brought to the other end, and changer lever location wall is to connect airtight with body inner edge wall, is fixed on the body for the sensitive switch changer lever;
2, the televimonitor rotating platform of improvement as claimed in claim 1, it is characterized in that, in internal structure, use a ball bearing and a plane thrust roller bearing, hang upside down when using, wheel closely locks with screw with the locating ring of disk cover in the ball bearing, during positive the use, install a plane thrust roller bearing in the lower end of Large Gear Shaft During.
3, the televimonitor rotating platform of improvement as claimed in claim 1 is characterized in that, a rubber blanket is established in the below of described plane thrust roller bearing.
4, the televimonitor rotating platform of improvement as claimed in claim 1 is characterized in that, the below of described plane thrust roller bearing can be other rubber-like colloid synthetic, also can be disc spring film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96249153 CN2277610Y (en) | 1996-12-18 | 1996-12-18 | Improved rotary table of TV monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96249153 CN2277610Y (en) | 1996-12-18 | 1996-12-18 | Improved rotary table of TV monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2277610Y true CN2277610Y (en) | 1998-04-01 |
Family
ID=33920815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96249153 Expired - Fee Related CN2277610Y (en) | 1996-12-18 | 1996-12-18 | Improved rotary table of TV monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2277610Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217367A (en) * | 2016-08-30 | 2016-12-14 | 艾狄工业设计（深圳）有限公司 | A kind of robot turns to precise positioning mechanism |
-
1996
- 1996-12-18 CN CN 96249153 patent/CN2277610Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217367A (en) * | 2016-08-30 | 2016-12-14 | 艾狄工业设计（深圳）有限公司 | A kind of robot turns to precise positioning mechanism |
| CN106217367B (en) * | 2016-08-30 | 2018-10-02 | 艾狄工业设计（深圳）有限公司 | A kind of robot steering precise positioning mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |