CN201040702Y

CN201040702Y - Lifting device for TV set

Info

Publication number: CN201040702Y
Application number: CNU2007201092307U
Authority: CN
Inventors: 张吉
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-16
Filing date: 2007-05-16
Publication date: 2008-03-26
Anticipated expiration: 2017-05-16

Abstract

The utility model relates to a lifting device of television, comprising a motor (1), a guide rail (5), and a television fixing stent (7). The motor (1) drives the television fixing stent (7) to move up and down along the guide rail (5) via a transmission mechanism, the transmission mechanism comprises a wire winding wheel (2) connected with the output shaft of the motor (1) in transmission, a rope (3) arranged on the wire winding wheel (2), a slide rail (6) which is embedded in the guide rail (5) and can move up and down along the guide rail (5), and a pulley block composed by at least one movable pulley (43) fixed on the lower end of the slide rail (6). Wherein, the motor (1) and the wire winding wheel (2) are arranged below the guide rail (5), which are fixed relatively to the guide rail (5), the television fixing stent (7) is fixed on the slide rail (6), furthermore, the rope (3) is successively passed through the pulley block, whose terminal is fixed relatively to the guide rail (5). Compared with the prior art, the utility model greatly reduces the laborsome degree of the rope, moreover, the motor and other mechanical parts are not lifted along with the television, which also reduces the load of the rope; meanwhile, the lifting device can be moved at random, so the use is flexible and convenient.

Description

The jacking system of vision receiver

Technical field

The utility model relates to the technical field of jacking system, relates in particular to a kind of jacking system that is used for the vision receiver lifting.

Background technology

Common vision receiver generally just is placed on the cabinet for TV, and its height can not arbitrarily be adjusted by the personal like; Panel TV sets such as plasm TV, LCD TV have occupied the leading position in market gradually at present, panel TV set can be fixed on the television background wall, when mounted, can according to the user separately wish and vision receiver is installed in suitable height and position, but after vision receiver fixes, its high and low position just can not arbitrarily be adjusted again, sometimes, people's seat prone position gesture can be different, perhaps be in half and sit half by state, at this moment vision receiver can't be made accommodation because of height, and watching just is not very comfortable.

Therefore, some television lifting devices that can adjust the vision receiver height are flexibly invented, and are the Chinese invention patent " TV set lifter " of ZL200610038530.0 (notification number is CN1815634A) as application number, disclose so a kind of device.It includes guide rail, guide, motor, the reel and the rope that link to each other with the output shaft transmission of motor, wherein, guide is by being provided with roller or sliding sleeve and the guide rail bearing fit on it, motor and reel are installed on the side of guide, move up and down along guide rail with guide, be equipped with respectively at the guide rail two ends, following attaching parts, be wrapped in that the end of rope is fixed on the upper connector on the reel, this jacking system is by the winding of electric machine control reel to rope, realize rope to the guide at motor and motor place together on this guide rail, following traction is moved, thereby realizes being fixed on the come on TV upper-lower position adjustment of machine of guide.

But there is following defective in the jacking system of this vision receiver: first, because in this jacking system, motor and reel follow vision receiver to move up and down together, upwards tractive force to guide must rely on rope, thereby the end of rope must be firm the top that is fixed on guide, it is on the upper connector or the guide rail upper end, therefore, before reality is used jacking system, need in advance the upper connector to major general's jacking system to be fixed on the body of wall, also be that the customer is after having bought this jacking system, also need fixed installation, this just makes the use of the jacking system very trouble that becomes, and in case after installing jacking system, vision receiver and jacking system just can not arbitrarily move, and have reduced the alerting ability that jacking system uses; Second, vision receiver is when guide rail moves up and down, guide, the vision receiver and the mechanical parts such as motor on the installation guide opposite side and reel that are fixed on guide one side all move up and down with guide, and general maximum two ropes that are provided with in the jacking system, these two ropes are except lifting vision receiver and guide, also need lift parts such as motor, vision receiver itself has occupied bigger weight, add mechanical parts such as motor and can obviously increase the weight of the burden of rope, this has just proposed higher requirement to the fix tightly soundness that the painstaking ability and the rope ends of rope is reel and rope end fixed end, has increased the difficulty of processing of television lifting device.

Summary of the invention

Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of flexible and convenient to use, can alleviate rope load-carrying load and make the jacking system of the painstaking less vision receiver of rope.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the jacking system of this vision receiver, include guide rail, the vision receiver fixed support, motor, described motor drives described vision receiver fixed support by a transmission device and moves up and down along described guide rail, it is characterized in that: described transmission device comprises the reel that links to each other with the output shaft transmission of described motor and the rope on the reel, the slide rail that is embedded in described guide rail and can slides up and down along guide rail, be fixed on the assembly pulley that the movable pulley of slide rail lower end is formed by at least one, wherein, described motor and reel are arranged on the guide rail below and relative guide rail is fixed, described vision receiver fixed support is fixed on the slide rail, and, the rope of drawing from described reel passes described assembly pulley successively, and the terminal guide rail relatively of last rope is fixed.

Wherein, the output shaft of described motor can link to each other with the reel transmission by various speed reduction gearings, simply can drive reel by train of reduction gears and rotate.

The jacking system of this vision receiver can also be provided with the control setup of automatic control motor work on speed reduction gearings such as train of reduction gears; such as application number is the disclosed technology of Chinese invention patent application " control setup of electric clothes hanger " of ZL200610050340.0 (publication number is CN1827899A); like this; when slide rail rises to the top limit value of setting; motor can quit work automatically; equally; when slide rail drops to the bottom limit value of setting; motor also can quit work automatically, protects whole jacking system.

Described assembly pulley can adopt existing various design plan, in order to realize moving up and down of movable pulley that this is fixed on the slide rail lower end, for reduce the parts of assembly pulley as far as possible, reduce the shared volume of assembly pulley, also make the structure of jacking system simpler, be convenient to manufacture, described assembly pulley can comprise a movable pulley that is fixed on the slide rail lower end, the following fixed pulley that last fixed pulley is arranged under the guide rail lower end with one and relative guide rail is fixing that is arranged on described guide rail upper end, wherein, the rope of drawing from described reel passes described fixed pulley down successively, last fixed pulley and movable pulley, the end of last rope is fixed on the contiguous fixed pulley place of going up, like this, rope shortens at the stroke of assembly pulley, then movable pulley fixed pulley rising relatively up and down, on the contrary, movable pulley fixed pulley relatively up and down descends, and then rope just needs lengthening at the stroke of assembly pulley.Wherein, the end of this rope also can be fixed on the optional position of the lower end of fixed pulley on this, and the rope that only needs to pass movable pulley passes one again and is arranged near the fixed pulley of fixed pulley and gets final product.

Be fixed on the come on TV lifting action of machine of vision receiver fixed support and become more steady, firm for making, described guide rail and associated slide rail can be parallel respectively be provided with two, captive joint with two one slide rails respectively in the support bracket fastened two ends of described vision receiver, described reel and rope also are provided with two symmetrically, two reel synchronous workings of described motor-driven, motor and two reels are located between the lower end of two closed slides.Like this, drive the relative guide rail of two one slide rails by two ropes of synchronous working and rise synchronously or descend, balance the lifting action of vision receiver, prevent that vision receiver from rocking in lifting process.And the support bracket fastened weight of vision receiver and vision receiver loads on the rope between the both sides series pulley uniformly, by two carryings that rope is common and well-balanced, has alleviated the load of single rope.

For make jacking system can arbitrarily place on the ground or other planes on use; and do not need to carry out before use any hard-wired step; improve jacking system and move the alerting ability of use; described motor and reel periphery can be provided with base; these base two ends are fixedly connected with described two guide rails respectively; and; described fixed pulley down also is fixed on this base inside; this base has also been protected parts such as motor and reel; avoided dust to enter into reel inside as far as possible, influence is used.

After the relative guide rail rising of the slide rail in two guide rails, guide rail is bigger painstakingly, and two parallel guide rails generally adopt shaped steel, can set up connecting panel between described two guide rail tops, in order to reinforce guide rail, prevent that the use middle guide from rocking.

For ease of being embedded moving up and down of the relative guide rail of slide rail in the rail type groove, can be provided with rotatable spacing steel ball on positioning plate between described slide rail both sides and the guide rail madial wall, this rotatable steel ball greatly reduces the friction between slide rail and the guide rail, makes the mobile of slide rail become lighter, smooth and easy.

For making things convenient for the lifting work of this television lifting device of user's energy distance control, can also be connected with wireless remote control control circuit board on the described motor, realize controlling at a distance jacking system work by this wireless remote control control circuit board in order to the control machine operation.

In actual use, sometimes vision receiver runs into some unforeseen circumstancess, be subjected to pullling of external force or its below such as vision receiver and have encumbrance, and vision receiver can not be descended smoothly, assembly pulley can not be strained rope and make rope relaxed state just occur this moment, therefore, the other cord tightness detector that can also be fixed with a control machine operation of described reel, the rope of drawing on the described reel penetrates on the pulley of described assembly pulley through this cord tightness detector earlier again, this cord tightness detector can adopt existing various technology, is the disclosed technology of Chinese invention patent application " cord tightness detector that is used for electric clothes hanger " of ZL200610050341.5 (publication number is CN1827900A) such as application number.Like this, when line relaxation, this cord tightness detector is just controlled motor and is quit work, and makes when running into unforeseen circumstances in the vision receiver lifting process, can in time stop lifting, and the safety of protection vision receiver avoids occurring some dangerous situations; Simultaneously, cord tightness detector has also been located the direction that wears of rope, and the rope that reel is come out can accurately pass the pulley in the assembly pulley.

In the transportation behind the jacking system product export of this vision receiver, if there is not safety device, slide rail can move freely by relative guide rail, rope on the assembly pulley just is very easy to from the pulley slippage and comes out so successively, influence later installation and normal the use, serious motor and other accessories of also can damaging, come out for avoiding in handling process the random slippage of rope, described guide rail inboard can also be provided with movable night bolt, and an end of this night bolt can pass guide rail and be inserted within the slide rail, thereby prevents that slide rail from sliding up and down along guide rail, like this, product is inserted into night bolt within the slide rail in packaging process in advance, stamps insurance to jacking system, product just can be transported safely, before use, with night bolt arming, jacking system just can normally use.

But, if the user is in the insurance of unarming latch, also be that night bolt still is plugged in slide rail when inner, use a teleswitch and the remote control lift device make its action, at this moment, because slide rail can't move and may produce the consequence that burns out motor or other accessories relative to guide rail, therefore, cooperate above-mentioned wireless remote control control circuit board, can do following further perfect: described guide rail inboard also is provided with movable night bolt, one end of this night bolt can pass guide rail and be inserted within the slide rail, thereby prevent that slide rail from sliding up and down along guide rail, and this night bolt interlock has first electronic switch, this first electronic switch links to each other with the power supply of supplying with described wireless remote control control circuit board, and whether whether the connection of passing through this power supply of control control the work of wireless remote control control circuit board, also be, end at night bolt is inserted under the slide rail internal state, this first electronic switch disconnects this power supply and the wireless remote control control circuit board is quit work, end at night bolt is not inserted under the slide rail internal state, and this first electronic switch is connected this power supply and made wireless remote control control circuit board normal operation.

Compared with prior art, the utility model is by the design of guide rail and associated slide rail and assembly pulley, provided a brand new up-down mode, wear assembly pulley by rope and realize wherein the moving up and down of the relative guide rail of movable pulley, thereby realization moves up and down with the fixing relative guide rail of slide rail together of movable pulley, also be, when reel backrush rope, the whole backhaul of rope will be shortened on the assembly pulley, movable pulley must move up by relative guide rail like this, thereby driving the relative guide rail of slide rail moves up, realize the rising of vision receiver, when reel is defeated when putting rope, the whole backhaul of rope can extend on the assembly pulley, because slide rail, the deadweight effect of vision receiver fixed support and vision receiver, slide rail has the trend that relative guide rail moves down, movable pulley must move down by relative guide rail like this, thereby realizes the decline of vision receiver; In the jacking system of this vision receiver, because rope twined at least three pulleys, the weight of vision receiver is carried by three stranded rope rope at least, greatly reduce the painstaking degree of rope, and, mechanical parts such as motor are fixedly mounted on the below of guide rail, not with vision receiver one lifting, have also alleviated the load of rope; Simultaneously, this jacking system does not need to carry out any installation before use, can arbitrarily move, and is flexible and convenient to use, is very suitable for actual use; Television lifting device of the present utility model, lifting is steady, and it is firmly firm to install, and is easy to manufacture.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is for removing the structural representation behind the base among Fig. 1;

Fig. 3 is the structural representation after the relative guide rail of slide rail rises among Fig. 2;

Fig. 4 is the enlarged drawing of I portion among Fig. 3.

The specific embodiment

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

As Fig. 1～shown in Figure 4, the jacking system of this vision receiver, the slide rail 6, vision receiver fixed support 7 and the base 11 that include motor 1, the reel 2 that links to each other with the output shaft transmission of motor 1 and the rope 3 on the reel 2, assembly pulley, guide rail 5, be embedded in guide rail 5 and can slide up and down along guide rail 5, the output shaft of described in the present embodiment motor 1 drives reel 2 by train of reduction gears and rotates;

Wherein, what described guide rail 5 and associated slide rail 6 were parallel respectively is provided with two, set up connecting panel 51 between two guide rail 5 tops, described reel 2 and rope 3 also are provided with two symmetrically, described motor 1 just drives two reel 2 synchronous workings, and described assembly pulley is also cooresponding to be provided with two groups;

Described base 11 is arranged on motor 1 and two reel 2 peripheries, its bottom surface level, in order to fixing and protection parts, whole television lifting device can be placed on the ground by pulsation-free, these base 11 two ends are fixedly linked with the lower end of described two guide rails 5 respectively, and motor 1 and two reels 2 are with regard to being fixed in the base 11 and just in time between the lower end of two closed slides 5 and guide rail 5 is fixing relatively;

Captive joint with two one slide rails 6 respectively in the two ends of described vision receiver fixed support 7;

Described assembly pulley comprises a movable pulley that is fixed on slide rail 6 lower ends 43, a last fixed pulley 42 and a following fixed pulley 41 that is arranged under guide rail 5 lower ends that is arranged on described guide rail 5 upper ends, wherein, it is inner and guide rail 5 is fixing relatively that following fixed pulley 41 is fixed on described base 11;

The rope 3 of drawing from described reel 2 passes described fixed pulley 41 down successively, goes up fixed pulley 42 and movable pulley 43, and the end 31 of last rope 3 is fixed on contiguously goes up fixed pulley 42 places and guide rail 5 is fixing relatively;

Above-mentioned reel 2, rope 3, slide rail 6 and assembly pulley have just constituted a transmission device, and motor 1 drives vision receiver fixed support 7 by this transmission device and moves up and down along guide rail 5;

For reducing the phase mutual friction between slide rail 6 and the guide rail 5, be provided with rotatable spacing steel ball 62 on positioning plate 61 between described slide rail 6 both sides and guide rail 5 madial walls, referring to Fig. 4;

Also be connected with wireless remote control control circuit board 12 on the described motor 1, make things convenient for the lifting work of this television lifting device of user's distance control in order to 1 work of control motor;

When running into unforeseen circumstances in the vision receiver lifting process for making, can in time stop lifting, the described reel 2 other cord tightness detectors 8 that also are fixed with a control motor 1 work, the rope 3 of drawing on the described reel 2 penetrates on the following fixed pulley 41 of described assembly pulley through this cord tightness detector 8 earlier again;

For avoiding television lifting device rope 3 unexpected slippage from the assembly pulley in transportation, described guide rail 5 inboards also are provided with movable night bolt 9, one end of this night bolt 9 can pass guide rail 5 and be inserted within the slide rail 6, thereby prevent that slide rail 6 from sliding up and down along guide rail 5, and these night bolt 9 interlocks have first electronic switch 10, this first electronic switch 10 links to each other with the power supply of supplying with described wireless remote control control circuit board 12 (omission is represented in the accompanying drawing), and, under an end of night bolt 9 is inserted into state in the slide rail 6, this first electronic switch 10 disconnects this power supply and wireless remote control control circuit board 12 is quit work, under an end of night bolt 9 was not inserted into state in the slide rail 6, this first electronic switch 10 was connected these power supplys and is made wireless remote control control circuit board 12 normal operation.

In order to realize when slide rail 6 relative guide rails 5 rise to the climb limit value of setting; motor 1 can quit work automatically; equally; when slide rail 6 drops to the bottom limit value of setting; motor 1 also can quit work automatically; thereby reach the purpose of the whole jacking system of protection; in the present embodiment; the control setup 21 of automatic control motor 1 work also is set on train of reduction gears, and these control setup 21 detailed application reference number are the disclosed technology of Chinese invention patent application " control setup of electric clothes hanger " of ZL200610050340.0 (publication number is CN1827899A).

The jacking system real work of this vision receiver is as follows:

The base 11 of this television lifting device is lain on the required within doors ground, and the night bolt 9 of guide rail 5 inboards extracted, can bring into use, when needing vision receiver to rise, starter motor 1 makes reel 2 backrush ropes 3, and the whole backhaul of rope 3 is shortened on the assembly pulley, movable pulley 43 drives slide rail 6 relative guide rails 5 and moves up, move up along guide rail 5 thereby drive the vision receiver fixed support 7 and the vision receiver that are fixed on the slide rail 6, realize the rising of vision receiver, referring to Fig. 3;

When needing vision receiver to descend, starter motor 1 makes the reel 2 defeated ropes 3 of putting, the whole backhaul lengthening of rope 3 on the assembly pulley, movable pulley 43 drives slide rail 6 relative guide rails 5 and moves down, thereby the vision receiver fixed support 7 and the vision receiver that drive on the slide rail 6 move down along guide rail 5, realize the decline of vision receiver, referring to Fig. 2.

Claims

1. the jacking system of a vision receiver, include motor (1), guide rail (5), vision receiver fixed support (7), described motor (1) drives described vision receiver fixed support (7) by a transmission device and moves up and down along described guide rail (5), it is characterized in that: described transmission device comprises the reel (2) that links to each other with the output shaft transmission of described motor (1) and the rope (3) on the reel (2), the slide rail (6) that is embedded in described guide rail (5) and can slides up and down along guide rail (5), be fixed on the assembly pulley that the movable pulley (43) of slide rail (6) lower end is formed by at least one, wherein, described motor (1) and reel (2) are arranged on guide rail (5) below and guide rail (5) is fixing relatively, described vision receiver fixed support (7) is fixed on the slide rail (6), and, the rope (3) of drawing from described reel (2) passes described assembly pulley successively, and the terminal guide rail (5) relatively of last rope (3) is fixing.

2. the jacking system of vision receiver according to claim 1, it is characterized in that: described assembly pulley comprises a movable pulley (43) that is fixed on slide rail (6) lower end, the following fixed pulley (41) that last fixed pulley (42) is arranged under guide rail (5) lower end with one and relative guide rail (5) is fixing that is arranged on described guide rail (5) upper end, wherein, the rope (3) of drawing from described reel (2) passes described fixed pulley (41) down successively, last fixed pulley (42) and movable pulley (43), the end (31) of last rope (3) are fixed on the contiguous fixed pulley (42) of going up and locate.

3. the jacking system of vision receiver according to claim 1 is characterized in that: the output shaft of described motor (1) drives reel (2) by train of reduction gears and rotates.

4. the jacking system of vision receiver according to claim 1, it is characterized in that: what described guide rail (5) and associated slide rail (6) were parallel respectively is provided with two, captive joint with two one slide rails (6) respectively in the two ends of described vision receiver fixed support (7), described reel (2) and rope (3) also are provided with two symmetrically, described motor (1) drives two reels (2) synchronous working, and motor (1) and two reels (2) are located between the lower end of two closed slides (5).

5. the jacking system of vision receiver according to claim 4, it is characterized in that: described motor (1) and reel (2) outer periphery are equipped with base (11), this base (11) two ends are fixedly connected with described two guide rails (5) respectively, and described fixed pulley (41) down also is fixed on this base (11) inside.

6. the jacking system of vision receiver according to claim 4, it is characterized in that: described two guide rails (5) have set up connecting panel (51) between the top.

7. according to the jacking system of the described vision receiver of arbitrary claim in the claim 1 to 6, it is characterized in that: be provided with rotatable spacing steel ball (62) on positioning plate (61) between described slide rail (6) both sides and guide rail (5) madial wall.

8. according to the jacking system of the described vision receiver of arbitrary claim in the claim 1 to 6, it is characterized in that: also be connected with wireless remote control control circuit board (12) on the described motor (1) in order to control motor (1) work.

9. according to the jacking system of the described vision receiver of arbitrary claim in the claim 1 to 6, it is characterized in that: the other cord tightness detector (8) that also is fixed with control motor (a 1) job of described reel (2), the rope (3) of drawing on the described reel (2) penetrates on the pulley of described assembly pulley through this cord tightness detector (8) earlier again.

10. according to the jacking system of the described vision receiver of arbitrary claim in the claim 1 to 6, it is characterized in that: the inboard night bolt (9) that also is provided with activity of described guide rail (5), one end of this night bolt (9) can pass guide rail (5) and be inserted within the slide rail (6), thereby prevents that slide rail (6) from sliding up and down along guide rail (5).

11. the jacking system of vision receiver according to claim 8, it is characterized in that: the inboard night bolt (9) that also is provided with activity of described guide rail (5), one end of this night bolt (9) can pass guide rail (5) and be inserted within the slide rail (6), thereby prevent that slide rail (6) from sliding up and down along guide rail (5), and this night bolt (9) interlock has first electronic switch (10), this first electronic switch (10) links to each other with the power supply of supplying with described wireless remote control control circuit board (12), and, under the end of this night bolt (9) is inserted into state in the slide rail (6), this first electronic switch (10) disconnects this power supply and wireless remote control control circuit board (12) is quit work, under an end of night bolt (9) was not inserted into state in the slide rail (6), this first electronic switch (10) was connected this power supply and is made wireless remote control control circuit board (12) normal operation.