CN101596884B - Rotating self-locking mechanism used for on-board liquid crystal television screen - Google Patents

Abstract

The invention discloses a rotating self-locking mechanism used for an on-board liquid crystal television screen, which comprises a first fixing component, a second fixing component, a rotating self-locking component, a motion bar and a switching place. A shaft fixedly connected with an active engaging mechanism drives the first fixing component and a display to realize rotating or locking by separation or engagement of the active engaging mechanism and a passive engaging mechanism of the rotating self-locking component; the motion bar is fixedly connected with the active engaging mechanism to drive separation or engagement of the active engaging mechanism and the passive engaging mechanism; the switching place limits the left and right displacement range of the motion bar; the motion bar drives a sliding gear to move left to make the sliding gear and a fixed gear non-contacted, and the on-board liquid crystal television screen can rotate freely; and the motion bar drives the sliding gear to move right to make the sliding gear and the fixed gear contacted, so that the on-board liquid crystal television screen is fixed. The disclosed rotating self-locking mechanism can realize free rotation of the liquid crystal television screen, can self lock on different positions, and is convenient for users to adjust angle in an automobile.

Description

A kind of rotating self-locking mechanism that is used for on-board liquid crystal television screen

Technical field

The present invention relates to a kind of rotating self-locking mechanism, particularly relate to a kind of rotating self-locking mechanism that is used for on-board liquid crystal television screen.

Background technology

Along with fast development of national economy; Private car roll up and people to the raising of quality of the life in the car; Make increasing bus, taxicar, passenger vehicle and private car etc., all loaded onto on-board liquid crystal television one after another, in-car TV can be play entertainment and video information service; To eliminate the sense of fatigue that is produced when people ride, be the recreational facilities of people in car.The fixed mount of existing on-board liquid crystal television screen can be realized the fixed installation of on-board liquid crystal television screen, does not have the rotation adjusting function, or can only between the state of two positions, switch, can not be at arbitrarily angled realization auto-lock function.Publication number all can only switch between certain viewing angle and two kinds of positions of packing up for the electric turnover mechanism of " CN2919797Y " and " CN201044391Y " disclosed in-car TV, and the user can't carry out the adjusting of the angle of liquid crystal television screen according to the actual conditions of oneself in the car.

Summary of the invention

In view of this; The present invention provides a kind of rotating self-locking mechanism of the telltale that is used for, especially on-board liquid crystal television screen, can realize rotating freely of liquid crystal television screen; And can greatly facilitate the angle of the interior user of car in the diverse location self-locking according to demand adjustment liquid crystal television screen.

The present invention discloses a kind of rotating self-locking mechanism that is used for telltale, comprises

First fixation kit, fixing display and support rotary self-locking assembly;

Second fixation kit supports first fixation kit and it is fixed on the self-propelled vehicle certain position, and the fixing axle of rotary self-locking assembly;

The rotary self-locking assembly through the separating or mesh of active engaging mechanism and passive engaging mechanism, can make first fixation kit with respect to the axle rotation or the locking that are fixed on passive engaging mechanism;

Portable bar is connected with active engaging mechanism, and the left and right displacement through portable bar drives separating of active engaging mechanism and passive engaging mechanism or meshes;

Location switch limits the left and right displacement range of portable bar, and has a decorative pearl on top of an official cap to contact with portable bar.

Further, the axle of rotary self-locking assembly is provided with bearing components, has elastic component that the ingear augmented thrust of active engaging mechanism and passive engaging mechanism is provided between bearing components and the active engaging mechanism.Said elastic component is a spring, perhaps selects elastomeric elements such as shell fragment for use.

Preferably, said active engaging mechanism and passive engaging mechanism are the wheel that looses, and diffusing wheel is that the flank of tooth is positioned at the engaging mechanism on the side end face vertical with centre hole; Perhaps select the mechanism of a plurality of holes and pin fit for use.

Embodiment is more specifically:

First fixation kit according to the invention is a telltale permanent seat; Be used for fixing and connect telltale and support the rotary self-locking assembly; Make telltale to rotate together, the telltale permanent seat comprises an adapter plate, left side board, right side board, connecting panel thereupon, and adapter plate is provided with screw hole; Corresponding with the screw hole of telltale, telltale can be fixed on the telltale permanent seat with screw.The connecting panel of telltale permanent seat is an arc, and left side board and right side board are provided with positioning shaft hole, portable bar hole and screw hole.

Said second fixation kit comprises fixed connecting base, left permanent seat, right permanent seat; Fixed connecting base is placed in the outside of the first fixation kit telltale permanent seat; And be attached thereto and connect, the outside left and right sides of fixed connecting base fixes with screw with left permanent seat and right permanent seat respectively.Left side permanent seat and right permanent seat are " 7 " font connecting panels, are equipped with screw hole on it, and available screw is fixed on roof or other positions.

The active engaging mechanism of said rotary self-locking assembly is a movable wheel that looses; Passive engaging mechanism is a fixing wheel that looses; Elastic body is a spring, also comprises movable wheel positioning seat, fix shaft, locating dowel pin, bearing seat, the bearing of loosing, and fixes through fix shaft and left permanent seat, telltale permanent seat.Said fix shaft is a columniform axle, and an end is provided with a pin-and-hole, is used for being fixed together with the fixing wheel that looses, and the other end is provided with outside thread, can this fix shaft and left permanent seat, fixed connecting base, telltale permanent seat be fixed with nut.Wherein, Fix shaft is positioned at the telltale permanent seat, is with bearing seat, bearing, the movable wheel positioning seat that looses, spring, movable wheel and the fixing wheel that looses of loosing on it successively, and a location pin-and-hole is arranged on the fixing wheel that looses; Insert in the pin-and-hole on this dowel hole and the fix shaft through locating dowel pin, be fixed on the fix shaft.The movable wheel that looses is meshed with fixing diffusing wheel, outside the movable wheel that looses a screw hole is arranged, and can captive joint with portable bar with screw, and the movable wheel that looses is provided with three knock holees on the end face of centre hole place, corresponding with three registration masts that are provided with on the diffusing wheel of the activity permanent seat.Spring is movable loosing between wheel and the bearing seat in the diffusing wheel of activity positioning seat, when the diffusing wheel of activity will be returned to the state that is meshed with the fixing wheel that looses, can be it augmented thrust is provided, and bearing is positioned at bearing seat inside.

One screw through-hole and two grooves are arranged on the said portable bar, and this screw through-hole is corresponding with the movable screw hole that looses on taking turns, and through screw portable bar and the movable wheel that looses is connected.The length of portable bar is longer than the telltale permanent seat, is installed in the portable bar hole on the telltale permanent seat left side plate.

Said location switch comprises the decorative pearl on top of an official cap, spring perch and spring, and spring places in the spring perch, and the decorative pearl on top of an official cap is placed in the groove of portable bar.Portable bar all has surplus in the both sides of telltale permanent seat, when promoting portable bar with hand from the right, the movable wheel that looses is moved to left together; When the decorative pearl on top of an official cap arrived the groove on the portable bar, spring made the decorative pearl on top of an official cap sink into the groove location on the right, limits moving of portable bar; At this moment; The movable wheel that looses is in discontiguous state with the fixing wheel that looses, and rotating self-locking mechanism is in the releasing orientation that puts in place, and telltale can rotate freely.During rotation, the movable wheel that looses of telltale drive telltale permanent seat and in-to-in thereof, movable diffusing wheel positioning seat, bearing seat rotate together.When rotating to correct position, can promote the left side of portable bar, portable bar and the movable wheel that looses are moved to right together; Spring promotion activity is loose wheel to the fixing wheel engagement of loosing, and when the decorative pearl on top of an official cap arrived the groove on the portable bar, spring made the decorative pearl on top of an official cap sink into the groove location on the left side; Limit moving of portable bar, at this moment, movable loose wheel and the fixing wheel engagement of loosing; Rotating self-locking mechanism is in the tight lock state that puts in place, and telltale is fixed, and can not rotate freely.

The rotating self-locking mechanism that is used for telltale disclosed by the invention owing to have the rotary self-locking assembly, can be realized rotating freely of liquid crystal television screen, and can be in different position self-locking arbitrarily, makes things convenient for the user in car, to adjust the angle of liquid crystal television screen, and is simple to operate.

Description of drawings

Fig. 1 is the blast sketch of on-board liquid crystal television screen rotating self-locking mechanism of the present invention;

Fig. 2 is the scheme of erection of on-board liquid crystal television screen rotating self-locking mechanism of the present invention.

The specific embodiment

The existing accompanying drawings and the specific embodiment further specify the present invention.

As shown in Figure 1, a kind of rotating self-locking mechanism that is used for telltale disclosed by the invention comprises first fixation kit, second fixation kit, rotary self-locking assembly, portable bar and location switch.Said first fixation kit is a telltale permanent seat 1;Captive joint telltale 8; Telltale permanent seat 1 comprises anadapter plate 101,left side board 102,right side board 103, connectingpanel 104;Adapter plate 101 is provided with screw hole, and is corresponding with the screw hole oftelltale 8, can telltale 8 be fixed on the telltale permanent seat 1 with screw.The connectingpanel 104 of telltale permanent seat 1 is an arc, andleft side board 102 is provided withpositioning shaft hole 106,portable bar hole 105 andscrew hole 107 withright side board 103.

Said second fixation kit comprises fixed connectingbase 2, leftpermanent seat 3, right permanent seat 4, and fixedconnecting base 2 is enclosed within the outside of telltale permanent seat 1, and the outside left and right sides of fixed connectingbase 2 fixes with right permanent seat 4 with leftpermanent seat 3 respectively.

The active engaging mechanism of said rotary self-locking assembly is amovable wheel 7 that looses, and passive engaging mechanism is afixing wheel 6 that looses, and elastic body is aspring 14; Fix through afix shaft 10 and leftpermanent seat 3, telltale permanent seat 1; Saidfix shaft 10 is columniform axles, and anend 1001 is provided with a pin-and-hole 1002, is used for being fixed together with thefixing wheel 6 that looses; Outsidethread 1003 is arranged on the other end, be used to lock leftpermanent seat 3, fixed connectingbase 2, telltale permanent seat 1 atfix shaft 10; Oneend 1001 offix shaft 10 places in the telltale permanent seat 1; Be withbearing seat 12, bearing 13, the movablewheel positioning seat 9 that looses,spring 14,movable wheel 7 and the fixingwheel 6 that looses of loosing on it successively; Itscentre bearer 13, bearingseat 12, the movablewheel positioning seat 9 that looses,movable wheel 7 and thefixing centre hole 18 that looseswheel 6 of loosing cooperate withfix shaft 10, and promptly anend 1001 cross sections of the shape ofcentre hole 18 andfix shaft 10 is consistent.One location pin-and-hole 601 is arranged on the fixingwheel 6 that looses; Be fastened on thefix shaft 10 through locatingdowel pin 11; Themovable wheel 7 that looses can be meshed with the fixingwheel 6 that looses, and there is ascrew hole 701 inmovable wheel 7 outsides of loosing, can activity be loose with screw and taketurns 7 and captive joint with portable bar 5; Themovable wheel 7 that looses is provided with threeknock holees 702 oncentre hole 18 place end faces, corresponding with threeregistration masts 901 that are provided with on the diffusing wheel of the activity permanent seat 9.Spring 14 is movable loosing betweenwheel 7 and thebearing seat 12 in the diffusing wheel ofactivity positioning seat 9, when thediffusing wheel 7 of activity will be returned to the state that is meshed with thefixing wheel 6 that looses, can be it augmented thrust is provided, and bearing 13 is positioned atbearing seat 12 inside.

One screw through-hole 501 and groove 502,503 are arranged on the said portable bar 5, pass screw through-hole 501 with screw and take turns thescrew hole 701 on 7, portable bar 5 and themovable wheel 7 that looses are connected with movable loosing.Portable bar 5 two ends place on the telltale permanent seat 1, and its length is longer than telltale permanent seat 1, is installed in theportable bar hole 105 on telltale permanent seat 1 left side plate.

Said location switch is fixed on the telltale permanent seat 1, comprises the decorative pearl on top of anofficial cap 15,spring perch 16 and spring 17, and spring 17 places in thespring perch 16, and contacts with the decorative pearl on top of anofficial cap 15, and the decorative pearl on top of anofficial cap 15 is placed in the groove 502,503 of portable bar 5.

Portable bar 5 all has surplus in the both sides of telltale permanent seat 1; When promoting portable bar 5 with hand from the right, portable bar 5 can move to left by thediffusing wheel 7 of drive activity together, when thegroove 502 on the decorative pearl on top of anofficial cap 15 arrival portable bars 5; Spring 17 makes the decorative pearl on top of anofficial cap 15 sink intogroove 502 positions; Limit moving of portable bar 5, themovable registration mast 901 that looseswheel positioning seat 9 inserts in theknock hole 702 of themovable wheel 7 that looses both is fixed as one, at this moment; Themovable wheel 7 that looses is in discontiguous state with the fixingwheel 6 that looses; Rotating self-locking mechanism is in the releasing orientation that puts in place, and telltale 8 can rotate freely, and themovable wheel 7 that looses of telltale 8 drive telltale permanent seats 1 and in-to-in thereof, movable diffusingwheel positioning seat 9, bearingseat 12 rotate together during rotation.When rotating to correct position, can promote the left side of portable bar 5, portable bar 5 can move to right by the diffusingwheel 7 of drive activity together;Spring 14 promotion activities areloose wheel 7 to fixing diffusingwheel 6 engagements, and themovable registration mast 901 of takingturns positioning seat 9 that looses is in released state with themovable knock hole 702 that looseswheel 7, when thegroove 503 on the decorative pearl on top of anofficial cap 15 arrival portable bars 5; Spring 17 makes the decorative pearl on top of anofficial cap 15 sink intogroove 503 positions; Limit moving of portable bar 5, at this moment, movableloose wheel 7 and fixingwheel 6 engagements of loosing; Rotating self-locking mechanism is in the tight lock state that puts in place, telltale 8 fixing can not rotating freely.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.

Claims (11)

1. a rotating self-locking mechanism that is used for on-board liquid crystal television screen is characterized in that, comprises

First fixation kit, fixing display and support rotary self-locking assembly;

Second fixation kit supports first fixation kit and it is fixed on the self-propelled vehicle certain position, and the fixing axle of rotary self-locking assembly;

The rotary self-locking assembly through the separating or mesh of active engaging mechanism and passive engaging mechanism, can make first fixation kit with respect to the axle rotation or the locking that are fixed on passive engaging mechanism;

Portable bar is connected with active engaging mechanism, and the left and right displacement through portable bar drives separating of active engaging mechanism and passive engaging mechanism or meshes;

Location switch limits the left and right displacement range of portable bar, and has a decorative pearl on top of an official cap to contact with portable bar.

2. rotating self-locking mechanism according to claim 1; It is characterized in that; The axle of rotary self-locking assembly is provided with bearing components, has elastic component that the ingear augmented thrust of active engaging mechanism and passive engaging mechanism is provided between bearing components and the active engaging mechanism.

3. rotating self-locking mechanism according to claim 2 is characterized in that, said elastic component is a spring, or shell fragment.

4. rotating self-locking mechanism according to claim 1 is characterized in that, said active engaging mechanism and passive engaging mechanism are the wheel that looses, and diffusing wheel is that the flank of tooth is positioned at the engaging mechanism on the side end face vertical with centre hole; Or the mechanism of a plurality of holes and pin fit.

5. according to claim 2 or 4 described rotating self-locking mechanisms, it is characterized in that,

Said first fixation kit is a telltale permanent seat (1), captive joint telltale (8);

Said second fixation kit comprises fixed connecting base (2), left permanent seat (3), right permanent seat (4); Fixed connecting base (2) is enclosed within the outside of telltale permanent seat (1), and the outside left and right sides of fixed connecting base (2) fixes with left permanent seat (3) and right permanent seat (4) respectively;

The active engaging mechanism of said rotary self-locking assembly is a movable wheel (7) that looses; Passive engaging mechanism is a fixing wheel (6) that looses; Elastic body is a spring (14); Fix through a fix shaft (10) and left permanent seat (3), telltale permanent seat (1), an end (1001) of said fix shaft (10) places in the telltale permanent seat (1), is with bearing seat (12), bearing (13), the movable wheel positioning seat (9) that looses, spring (14), movable diffusing wheel (7) and fixing loosing on it successively and takes turns (6); The fixing wheel (6) that looses is fixed on the fix shaft (10); The movable wheel (7) that looses is meshed with the fixing wheel (6) that looses or separates, and spring (14) is positioned at the activity of the movable wheel positioning seat (9) that looses and looses between wheel (7) and the bearing seat (12), and bearing (13) is positioned at bearing seat (12) inside;

Said portable bar (5) two ends place on the telltale permanent seat (1), and through screw portable bar (5) and the movable wheel (7) that looses are connected;

Said location switch is fixed on the telltale permanent seat (1), has a decorative pearl on top of an official cap (15) to contact with portable bar (5).

6. rotating self-locking mechanism according to claim 5 is characterized in that, said fix shaft (10) is a columniform axle, and an end (1001) is provided with a pin-and-hole (1002), and outside thread (1003) is arranged on the other end, is fixed on left permanent seat (3) through nut.

7. rotating self-locking mechanism according to claim 5 is characterized in that, on the said fixing wheel (6) that looses a location pin-and-hole (601) is arranged, and through this dowel hole (601), the fixing wheel (6) that looses is captiveed joint with locating dowel pin (11) with said fix shaft (10).

8. rotating self-locking mechanism according to claim 5; It is characterized in that; Said activity has a screw hole (701) outside loosing and taking turns (7); There is a screw through-hole (501) corresponding on the said portable bar (5), can the diffusing wheel of activity (7) be captiveed joint with portable bar (5) with screw with movable diffusing screw hole (701) of taking turns on (7).

9. rotating self-locking mechanism according to claim 5; It is characterized in that; The diffusing wheel of said portable bar (5) drive activity (7) moves to left; Movable diffusing wheel (7) is not contacted with the fixing wheel (6) that looses, and telltale (8) can rotate freely, and the movable wheel (7) that looses of telltale during rotation (8) drive telltale permanent seat (1) and in-to-in thereof, movable diffusing wheel positioning seat (9), bearing seat (12) rotate together; Take turns (7) when moving to right when portable bar (5) drive activity is diffusing, spring (14) promotion activity is loose wheel (7) to fixing diffusing (6) engagement of taking turns, and movable diffusing take turns (7) are meshed with fixing the wheel (6) that looses, and telltale (8) is fixed.

10. want 1 described rotating self-locking mechanism according to right; It is characterized in that; Said portable bar (5) is provided with two grooves (502,503), and said location switch comprises the decorative pearl on top of an official cap (15), spring perch (16) and second spring (17), and second spring (17) places in the spring perch (16); And contact with the decorative pearl on top of an official cap (15), the decorative pearl on top of an official cap (15) is placed in the groove (502,503) of portable bar (5).

11. want 5 described rotating self-locking mechanisms according to right; It is characterized in that; Said portable bar (5) is provided with two grooves (502,503), and said location switch comprises the decorative pearl on top of an official cap (15), spring perch (16) and second spring (17), and second spring (17) places in the spring perch (16); And contact with the decorative pearl on top of an official cap (15), the decorative pearl on top of an official cap (15) is placed in the groove (502,503) of portable bar (5).

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