CN102563294A

CN102563294A - Television swing arm lifter

Info

Publication number: CN102563294A
Application number: CN2011100204448A
Authority: CN
Inventors: 杜伟强
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-09
Filing date: 2011-01-06
Publication date: 2012-07-11

Abstract

A television swing arm lifter mainly comprises a base, a bearing, a swing arm, a swing arm shaft and a television positioning frame. A bearing swing arm on the base is horizontally coaxial with the swing arm shaft, the axis of the swing arm shaft is a fixed point after the base is fixedly positioned, the swing arm with one end connected with the swing arm shaft only employ the swing arm shaft as the fixed point, and the other end of the swing arm draws the television positioning frame to droop so that a television is at a descending position when a moment arm structure cannot be formed as a fulcrum cannot be found. The television swing arm lifter is provided with the swing arm shaft with a fixed fulcrum and a fixed position to coordinate with the swing arm to form a structure capable of swinging and positioning.

Description

TV horn pendulum lift

Technical field:

The invention belongs to and the matching used supplementary equipment of television set.

Background technique:

Television set is looked the high position and is sat by and watch lower position and select a fixed-site to become the usage of trade be fit to crouching, and 200820057139.X etc. are technological at seeking breakthrough, but simple and direct inadequately and with high costs.Do not see on the market that new product shows that the industry does not have the successful improvement of further technological break-through and product to develop to the great demand that television set is fit to two altitude conversions uses, has all ignored the television set fixing frame is done the essence improvement on the structure of altitude conversion.

The present invention seeks to: the deficiency to existing technology provides the displacement up and down of a kind of suitable television set, just can implement the fixing device of television set with simple structure.

This TV horn pendulum lift, mainly by base, be located at bearing on the base, swing arm, arm shaft, fine-tuning look about face to the television set sign indicating number decide frame etc. and constitute.The corresponding arm shaft of said swing arm one end is established axis hole, the other end is established joint shaft; With the television set sign indicating number set up surely be set to center of gravity down, connect with joint shaft through the axle linkage formation by the joint shaft bolt after the matching loose suspending frame that can rock around joint shaft; In nature; Decide frame because of sign indicating number and load onto television set back axis vertical off setting television set center of gravity, around axis suspension under gravitational equilibrium cause inclination to make looking face tilt.Swing arm is moved not to stop or the time tenesmus gravity that do not receive operative interventions in movement process, seeks balance make television set keep nature inclination change picture show to.Said base can directly be fixed on field of employment or the special stand.All bearings, swing arm, the arm shaft string that connect swing arm on the base are closed by the coaxial setting of substantially horizontal, when the axle center of the solid rear-swing arm axle of base sign indicating number becomes only rotatable immovable force.Swing arm by arm shaft connects has only arm shaft to do the force of fixed-site; Can not find fulcrum arm structure can not be formed the time; Bolt the television set sign indicating number and is decided frame and television set is in drop to overhead low level below 1.8 meters, effective use position that suitable seat is looked because of deadweight forms the sagging state of being affiliated to of nature.Several different methods such as available manpower, physics, electromechanics; In said TV horn pendulum lift, be provided with or (for example: external pulley and the support that is higher than the joint shaft in the swing arm add fixing fulcrum of specially joining or mechanisms such as tractive, driving force and location at the top, field of employment by the field of employment framework; Swing arm is controlled in the lifting of pulling strings); Making swing arm is the center with the arm shaft, need not add other adminicle again and can be changed the horizontal sextant angle moving belt significantly by random operation and the television set sign indicating number and decide frame and television set is risen to the position that the rotation radius allows implement the location.Can arbitrarily operate the circulation of going up and down, make the television set conversion different use positions that descend or raise as required.Embodiment's 1 usefulness base is provided with the method for supporting frame, fulcrum is located at the arm shaft of working in coordination with as the force on the supporting frame constitutes the effectiveness arm, makes swing arm obtain to promote the function that the television set sign indicating number is decided frame.Supporting frame is provided with a plurality of fulcrums on the path that swing arm is moved, each fulcrum branch is located at the diverse location of supporting frame, and the collaborative separately arm shaft as the force constitutes fixing a point by stopping of the different pendulum angles of swing arm.If rise to along dropping to contrary, with fulcrum be arranged to forward to be passed moving emit to automatically reset after the swing arm get involved the jam return path and make swing arm by stopping, the pawl structures that after card is removed in operation, can reversely put back to swing arm makes things convenient for hand-operated lifting to operate.Return the assist device that rises after falling to swing arm and lock better effects if being provided with on the frame with bottom location; Following general who has surrendered to the greatest extent; Can compress assist device easily with manpower during the assist device of the assist device of swing arm contact base and make swing arm cross the location, the location lock ejects the locking swing arm automatically makes assist device be in the energy of compressed state deposit with the swing arm release.Surely set up machinery or magnetic inclination angle location lock at the television set sign indicating number and made the television set pendulum location of in needs, can implementing to incline.The television set sign indicating number has set up suppressible pull bar surely and has made things convenient for joint shaft push-and-pull swing arm displacement operation when a high position.The next commentaries on classics of television set is upper; Open location lock assist device and promote swing arm; Borrow inertia to lift swing arm on manually and stop fulcrum in crossing and suspend, pull out on the push rod and push away, after fulcrum is crossed in swing arm; Last fulcrum ejects the top that the swing arm card is stayed this fulcrum that resets and can not return automatically, regains push rod and buckles location, inclination angle lock and accomplish the television set operation that raises.Upper commentaries on classics is the next to be boosted swing arm earlier and lets each fulcrum of pawl structures withdrawn from the reverse swing path of returning of jam by operation one by one, gets final product on the contrary with the lifting operating process.

Description of drawings:

Fig. 1: the plan view and the right elevation of the sagging locking of the embodiment of the invention 1 swing arm;

Fig. 2: embodiment 1 decontrols plan view and the right elevation that the lock swing arm of bottom location is pushed out;

Fig. 3: the right elevation that stops pulling out push rod in embodiment's 1 swing arm;

Fig. 4: embodiment 1 can grab the right elevation that pushes away on the push rod;

Fig. 5: regain the right elevation that push rod is buckled location, inclination angle lock after embodiment 1 raises;

Fig. 6: the right elevation after embodiment 2 raises;

Fig. 7: the torque spring of embodiment's 2 assist devices, fulcrum shaft side view;

Fig. 8: the longest right elevation that makes swing arm produce maximum load point in embodiment 2 bob forces;

Fig. 9: the horizontal right elevation of swing arm in embodiment's 2 lifting process at horizontal position;

Figure 10: the right elevation of the sagging locking of embodiment's 2 swing arms;

Figure 11: the right elevation of putting in embodiment's 3 swing arms;

Figure 12: the right elevation of embodiment's 3 swing arm bottoms.

Figure 13: the view of the embodiment's 3 flexible swing arm partial sectional views and the state of stretching, contract.

Embodiment:

Shown in Fig. 1-5, embodiment 1 decides frame (6) by base (1), bearing (1-1), supporting frame (1-2), swing arm (2), the joint shaft (2-1) that is located at swing arm (2), arm shaft (3), fulcrum (4), television set sign indicating number and constitutes.Bearing (1-1) on the base (1) string is closed swing arm (2) press the coaxial setting of level with arm shaft (3); After base (1) sign indicating number was solid, its other end of swing arm (2) that an end is connected by arm shaft (3) the television set sign indicating number with joint shaft (2-1) bolt and decide frame (6) and makes television set be in the position of decline because of the sagging state of being affiliated to of deadweight formation nature.Base (1) is provided with supporting frame (1-2), and fulcrum (4) is located at supporting frame (1-2) and goes up the arm shaft (3) in the collaborative force that fixes and constitute and render a service arm and make swing arm (2) obtain to promote the function that the television set sign indicating number is decided frame (6).Change the hand time-out in the manually-operable for making things convenient for, establish a fulcrum (4) more in the neutral position of supporting frame (1-2).Fulcrum (4) is arranged to pawl structures; If rise to move for forward, descend that to move be reverse; Fulcrum during rising (4) is prevented the deadweight tenesmus in the path returned of rebound reset jam swing arm (2) automatically by push-jump moving swing arm (2) back that emits, and is operated rotatable withdrawing from and puts back to swing arm (2) to the jam of inverse path is reverse.Frame is provided with length of spring compressed energy storage type assist device (5), (5-1) and bottom location lock (4-1); Pushing swing arm (2) is to following location, assist device (5) and (5-1) work of compressed location lock (4-1) simultaneously with swing arm (2) locking and be its deposit promotion energy that rises.The television set sign indicating number decide frame (6) be provided with inclination angle location lock (6-1) but make television set squint location.Be the convenient operation that raises, the television set sign indicating number is decided frame (6) and is provided with suppressible push rod and controls joint shaft (2-1) indirectly as kinetic energy input device (10).

Shown in Fig. 6-10, on embodiment 1 basis, embodiment 2 is provided with assist device (5).With assist device (5) be arranged to one group with the coaxial setting of arm shaft (3), the exert oneself torque spring of opposing television set tenesmus gravity upwards.Torque spring by a metal line by axially being coiled into the little radius gradual change tower shape body of the big the other end radius of an end radius.Torque spring extends radially out toggle cover top sheave and constitutes fulcrum (4).Fulcrum (4) is helped the initial resistive force of having confirmed torque spring in a high position with television set, and it is big more that swing arm (2) drives fulcrum (4) generation drag more downwards.For balance also designs the most effective drag on the change point of bearing down maximum with the big drag of bottom change; Assist device (5) fixedly is located at the top of arm shaft (3); Constitute fixing upper and lower two axle center range points at assist device (5) and arm shaft (3) two between centers; Make the reduced distances of television set joint shaft (2-1) of assist device (5) and swing arm (2) when a high position, let arm shaft (3) and fulcrum (4) draw back the longest point of the arm of force that ultimate range constitutes drag.Television set is less at the inclination angle of the most high or low when position swing arm (2) to be let most bearing down shift to arm shaft (3) to carry.As shown in Figure 8; Swing arm (2) forms maximum axle center gravity apart from making swing arm (2) produce anti-bob power greatest requirements point to fulcrum (4) when making meropodium point with arm shaft (3) level; Crossed the maximum bob force continued bottom; Bob power shifts to arm shaft (3) from fulcrum (4) gradually, and load constantly becomes the maximum trouble of the location that descends from the ever-increasing contrast of drag that subtracts while fulcrum (4).Assist device (5) fixedly is located at the fulcrum (4) that the constant basically toggle of the top extrusion of arm shaft (3) constitutes exerts oneself near swing arm (2); Overcome the drag tenesmus of fulcrum (4) during swing arm (2) swing; Length owing to above-mentioned two axle center range points and toggle in upper and lower swing process all can not change; The position of forcing fulcrum (4) to lean against swing arm (2) is back and forth changed to form by fulcrum stroke (8) by (8A, 8B, 8C, 8D) arm of force length of arm shaft (3) and fulcrum (4) formation drag is changed in swing; The last pendulum of swing arm (2) arm of force is long more, and the bottom arm of force is short more more.The arm of force shortens gradually and has amplified the gravity that acts on fulcrum (4) during the bottom, averages out with the drag peak value that increases gradually, efficiently solves the problem that above-mentioned contrast produces.Assist device (5) is provided with spring force regulator (9).Lift on loading onto behind the television set and rise height to the greatest extent, with spring force regulator (9) the anti-bearing down of spring is adjusted to greater than the state of stable support and guarantees that television set can put the position that is parked in rising and can not drop automatically; During the bottom; The spring torsion that manual drop-down television set can overcome assist device (5) easily rotates swing arm (2); Along with being come and gone to fulcrum (4) by arm shaft (3), shifts the rotary gravity of swing arm (2); The spring torsion that tenesmus gravity overcomes opposing makes television set reduce to low level, bottom location lock (4-1) work.Turn on bottom location lock (4-1) pop-up television set during lifting, help to push away device (5) and overcome tenesmus gravity and rise the top and get final product.

Shown in Figure 11-13, can stretch or the method for pulling-down is controlled swing arm (2) overbanking with the top.Be provided with at embodiment's 1 base (1) increase swing arm (2) on the basis of supporting frame (1-2) go up pendulum spacing (1-3) and the bottom spacing (1-4); Embodiment 3 establishes torque arm (4A-4B); One end torque arm (4A) hauls swing arm (2) and goes up the position near joint shaft (2-1), and the other end torque arm (4B) bolt base (1) is higher than the position of arm shaft (3).The point location of said bolt has just been set on assist device (5) one-tenth in the position that is higher than arm shaft (3) and has been turned over power-assisted, is lower than on arm shaft (3) one-tenth and turns over resistance.Make torque arm (4B) and arm shaft (3) draw back fixed range; Decision swing arm (2) of its distance and the discrepancy in elevation or torque arm (4A-4B) required flexible amplitude and the angle at following dead point when swing arm (2) overbanking, the distance of suitably setting torque arm (4B) and arm shaft (3) steadily puts in place in the time of can letting assist device (5) the raising effect and the bottom with the discrepancy in elevation.Torque arm (4A) is done a bit, arm shaft (3) is done a bit, torque arm (4B) is done a bit; 3 lines constitute triangle; The point of arm shaft (3) is immutable; Some variable amplitude by the torque arm of bolt (4B) is very little, when swing arm (2) forwards to and leans against being come and gone conversion by operation and must ordering about the point of torque arm (4A) and move significantly and realize upper and lower round displacement of the bottom spacing (1-4) by leaning against pendulum spacing (1-3).The assist device of present embodiment (5) can be arranged to tension force or tension structure; One of them forms and to be done the time spent by external force and can be forced and change the reducible structure of its length after the length to make swing arm (2) or torque arm (4A-4B), and operation climbs over torque arm (4A), arm shaft (3), torque arm (4B) tension force or pulling force dead point in line at 3 and is backwards to and spacingly lets above-mentioned three points oppositely form stable triangle just can to operate swing arm (2) up-down of overbanking location realization television set up and down by pushing away device (5).The setting of meeting the bigger television set bottom spacing (1-4) of deadweight can be less than torque arm (4A), arm shaft (3), 3 tension force or pulling force dead points in line of torque arm (4B); Need not force the dead point to cross to make when turning over more laborsaving, prerequisite is to be locked or tension force or pulling force that it overcomes assist device (5) from Beijing South Maxpower Technology Co. Ltd are not allowed in the swing arm (2) automatically and moved.The simplest way is with torque arm (4A-4B) double as assist device (5), is arranged to one group of draught spring tractive joint shaft (2-1), but is difficult to modify and can't resist from the outer of the right and left try hard to recommend, draw.The method that present embodiment adopts swing arm (2) to uphold; One section swing arm shaft coupling end (2A) that is coupling by arm shaft (3) is arranged in swing arm (2); Gulp down the swing arm extension end (2B) that cover is provided with joint shaft (2-1); In establish power spring do assist device (5) will be pushed away by the extension end (2B) that shaft coupling end (2A) gulps down cover extend only uphold spacing, swing arm (2) be provided with effectively gulp down the telescopic amplitude in cover back should putting greater than arm shaft (3) to the length of the point of torque arm (4B).And be provided with the big television set of spring force regulator (9) reply weight.

Kinetic energy input device (10) is made up of at the stay cord of joint shaft (2-1) handle that is connected adjutage (7) and bolt.When bottom state rises; The handle pulling joint shaft (2-1) of grabbing kinetic energy input device (10) makes upholds the length that end (2B) compression changes swing arm (2); Take advantage of a situation the bounce-back elongation with pushing away in the swing arm (2) after borrowing pulling force to slip over the shortest point; After moving to the summit on the pop-up television set helps, the elastic force of assist device (5) is supporting television set less times greater than bearing down and can not drop automatically.The stay cord pulling joint shaft (2-1) of grabbing kinetic energy input device (10) during decline overcomes the elastic force reverse operating of assist device (5).

After television set rose, there was the possibility that is occupied by foreign matter the position of parking that descends.In order to prevent to be occupied by mistake, fall corresponding television set is stopped when most position in swing arm (2) and be provided with and reserve television set and park, prevent the protection support (11) that the position is occupied by foreign matter.The television set sign indicating number is decided the impulse force that frame (6) adds top link (2) tenesmus because of matching loose suspension rolling pendulum after by joint shaft (2-1) bolt television set is produced destructive concussion, addresses this problem the television set that can on protection support (11), be provided with the buffering contact location buffer (12) that descends.The structure of location buffer (12) can be provided with like this: push rod is released by a spring that just can promote push rod; The spring cavity volume is a front end and the push rod airtight container in rear end that is slidingly matched, and a large amount of air can't be discharged by the gap that is slidingly matched and formed the Remote Flexible resistance point of resisting the television set impact moment when push rod was impacted by television set.Compressed air was also drained to finish and is realized the buffering location after inertia impulsive force to be dropped was eliminated with the rolling pendulum.

Constant apart from arm shaft (3) at fulcrum (4), same action of gravity is under the prerequisite of the swing arm (2) of level, and arm shaft (3) is big more to the distance of joint shaft (2-1), and the negative G of fulcrum (4) is exaggerated more.Keep the reduced distances swing arm (2) of fulcrum (4) can dwindle the amplification of action of gravity, but the amplitude of going up and down also doubly contract in fulcrum (4).The television set sign indicating number is decided frame (6) separate, adjutage (7) is set again swing arm (2) and television set sign indicating number is decided frame (6) through adjutage (7) joint with swing arm (2).Shown in Fig. 8-10, the television set sign indicating number is decided frame (6) and has been shortened the crow flight distance of level to arm shaft (3) because of Qu Jiedian during rising, and Qu Jiedian stretches effective fall that prolonged during the bottom.

Claims

1. TV horn pendulum lift is mainly decided frame (6) by base (1), bearing (1-1), swing arm (2), arm shaft (3), television set sign indicating number and is constituted; It is characterized in that: the corresponding arm shafts of swing arm (2) one ends (3) are established axis hole, the other end is established joint shaft (2-1); The television set sign indicating number decide frame (6) be arranged to center of gravity under can the axle linkage be constituted the suspending frame that running fit can be rocked around axle by joint shaft (2-1) bolt, swing arm (2) move when not interfered tenesmus gravity seek balance make television set keep nature tilt not change picture show to; Bearing (1-1) on the base (1) string is closed the coaxial setting of direction that swing arm (2) and arm shaft (3) are pressed level; When the axle center of the solid rear-swing arm axle (3) of base (1) sign indicating number becomes only rotatable immovable fixedly force; One end is had only arm shaft (3) to do the force by the swing arm (2) that arm shaft (3) connects; Can not find fulcrum can not form arm structure the time, joint shaft (2-1) bolt of swing arm (2) the television set sign indicating number and is decided frame (6) and television set is in overhead be fit to the lowering position that seat is looked below 1.8 meters because of deadweight forms the sagging state of being affiliated to of nature; Said TV horn pendulum lift can in establish fulcrum or torque arm, also can borrow the framework that uses on-the-spot periphery specially to join to make swing arm (2) form the mechanism that can swing significantly and locate up and down with arm shaft (3) cooperation that is fixed and become the force, operation swing arm (2) is implemented TV horn pendulum and is gone up and down.

2. TV horn as claimed in claim 1 pendulum lift, it is characterized in that: base (1) is provided with supporting frame (1-2), and fulcrum (4) is located at supporting frame (1-2) and goes up collaborative force arm shaft (3) and constitute and render a service arm and make swing arm (2) obtain to stop the location.

3. TV horn pendulum lift as claimed in claim 2; It is characterized in that: establishing rise to move for forward, descend that to move be reverse; Fulcrum (4) is arranged to forward can passively push open emit to automatically reset after the swing arm (2) gets involved the jam return path; Receive operational order to remove the pawl structures that can reversely put back to swing arm (2) behind the card, a plurality of fulcrums (4) divide the diverse location that is located at supporting frame (1-2), and collaborative separately force arm shaft (3) constitutes can only the stop location of moving different amount of swing arm (2).

4. TV horn pendulum lift as claimed in claim 1; It is characterized in that: assist device (5) is set; This assist device (5) be one group with the coaxial setting of arm shaft (3), the exert oneself torque spring of opposing television set tenesmus gravity upwards, torque spring extends radially out toggle and constitutes fulcrum (4).

5. TV horn pendulum lift as claimed in claim 4; It is characterized in that: the top that assist device (5) fixedly is located at arm shaft (3) lets assist device (5) and arm shaft (3) two between centers formation fixed point distance of shaft centers leave; Swing arm (2) swing the time overcomes fulcrum (4) tenesmus, swing process central bearing point (4) to swing arm (2) form shift in position by fulcrum stroke (8).

6. TV horn pendulum lift as claimed in claim 1; It is characterized in that: be provided with and limit swing arm (2) upward pendulum spacing (1-3) and the bottom spacing (1-4) of the amplitude of oscillation up and down; If torque arm (4A-4B), an end torque arm (4A) haul the point that forms arm shaft (3) when swing arm (2) the other end torque arm (4B) bolt lets torque arm (4B) and arm shaft (3) space out in the position that base (1) is higher than arm shaft (3) to make swing arm (2) lean against pendulum spacing (1-3) down, the point of torque arm (4B) between two parties, the point of torque arm (4A) is at last triangle; One of them is arranged to implement the compelled reducible structure in back that changes of length by assist device (5) with swing arm (2) or torque arm (4A-4B); It is one group of power spring that this assist device (5) is located at swing arm (2); Being located at torque arm (4A-4B) is one group of draught spring.

7. like claim 4 or 6 described TV horn pendulum lifts, it is characterized in that: assist device (5) is provided with spring force regulator (9).

8. like claim 2 or 6 described TV horn pendulum lifts, it is characterized in that: the kinetic energy input device (10) that Manpower operating joint shaft (2-1) change is set in the position near joint shaft (2-1).

9. TV horn pendulum lift as claimed in claim 1 is characterized in that: be provided with television set decline location buffer (12) in the position that corresponding television set decline is stopped.

10. TV horn pendulum lift as claimed in claim 1 is characterized in that: the television set sign indicating number is decided frame (6) separate with swing arm (2), adjutage (7) is set again swing arm (2) and television set sign indicating number is decided frame (6) through adjutage (7) joint.