CN206072671U - Pulley type rolls lowering or hoisting gear - Google Patents

Abstract

This utility model is related to a kind of pulley type and rolls lowering or hoisting gear, including：Four rolling bearings, each rolling bearing include an outer ring, several rolling elements, a retainer corresponding with several rolling elements, an inner ring again；Corresponded to per two rolling bearings respectively on two wing plate of grillage shape lifters along lifting direction respectively in top and two fixed rotary shafts of upper position；Rolling bearing expose on two wing plates it is non-towards two sides outside；The elongated narrow slit shape track of two steels；, with an opening narrow slit, the interval of slit of two tracks is equal for each track；Two tracks arrange respectively longitudinally parallelly ride in two narrow slit directions of plate shape support both sides and two tracks can be while filling in thickness everywhere equal to the same plane body in gap in narrow slit；Rolling bearing described in two of wing plate described in the same side is one group, and rolling bearing described in two groups is correspondingly arranged in two interval of slit of two tracks respectively and rolls and by its guiding.

Description

Pulley type rolls lowering or hoisting gear

Technical field

This utility model is related to the part body in a kind of display liftable supporter, particularly wherein lifts module phase Mechanism being relied on to the lifting of plate shape support, playing ball slide rail effect, belongs to display lifting support frame field.

Background technology

During various display are widely used to live now, current display substantially with liquid crystal display as main flow, Liquid crystal display is a kind of display of approximate tabular, and itself voluntarily cannot be stood, it is necessary to by support meanss such as bracing frames Support could use, for this reason, it may be necessary to there is a support, generally tabular base, it is vertically arranged one elongated on base, The generally support of tabular, and be it is actually used in more convenient use, big multi-display also needs to lift, can in order to reach this The function of lifting, now to carry the support meanss of display, can be provided with the mechanism of correlation, specifically more in support meanss The lifting module opposite brackets that display gravity can be balanced by the employing in the support in bracing frame such as move up and down to realize The adjustment of the adjustable height, and be that lifting is smooth, slide rail need to be also set in support, can be relied on and along the cunning to lift module The guiding of rail is lifted.For this, lifting module both sides are provided with the both wings with tabular and the both wings stretch into vertically arranged plate It is corresponding with two slide rails for being arranged on support both sides respectively in two longitudinal channels that shape support plate face is opened up to be connected, and opposite brackets are vertical To upper and lower lifting carriage, as display is heavier, also need to be balanced that its gravity enables lifting laborsaving and display is any Height just facilitates librarian use with stopping, and the element great majority for being used for producing equilibrant be all using fixed force spring or gas spring, This spring its power substantially constant in drawing process, display balance that can be preferably constant with gravity are matched, and realize lifting When height of display position with stopping.Certainly, in practical application, support meanss also need increase, and some can adjust display viewing angles Linkage etc., its common structure is such as：

Including：One base, setting are connected to the support on base, and support internal upper part is provided with accommodating chute, house chute Two medial walls vis-a-vis are respectively provided with a ball-type slide rail, and one sets and is connected in two slide rails and can move relative to the support oscilaltion Lifting module；

Certain force spring, by having resilient elongated stalloy winding shaping, which includes a winding end and relative to the volume Around end one stretching end, respectively with the support with lifting module be connected, lifting module in its again comprising grillage class formation and its Two sides have extend two tabular both wings a lifters, between a bearing plate, the company of setting and the sliding part and the bearing plate Pitching pivot；It is corresponding flat so as to be produced by fixed force spring when the lifting module is in the support oscilaltion relatively The elastic force of weighing apparatus display gravity enables display with stopping, and makes descending operation light, laborsaving.Certainly, descending branch is risen except providing Outside support function, which also possesses the corresponding mechanism of some adjustment display viewing angles functions, and final bracing frame enables display by making User's required function is positioned in suitable user and views and admires on the height and position and visual angle of picture.

And the lifting support effect of ball slide rail is significant among these, so being made with ball slide rail To lift the support device of module opposite brackets oscilaltion movement, at present, the prior art most close with this utility model rolling Pearl slide rail its structure mainly includes：(Fig. 1 please be participate in)

One elongated outer rail, an elongated interior rail, several balls, and a corresponding elongated pearl frame, in addition to ball, its The transverse section of the other three part is U-shaped, and each bracing frame generally needs two one slide rails, two slide rails to be separated by（Every sky）Installed in plate The U-shaped opening of both sides and two outer rails in shape support is towards the grillage shape lifters both sides on concrete structure, in lifting module The both wings of tabular are stretched in plate shape support and are respectively fixedly connected with two on rail and can be guided oscilaltion by two slide rails.

Though above-mentioned ball slide rail can meet basic use requirement, with the development and the change of people's aesthetic taste of technology Change, current people increasingly pursue more slim or slenderization of display lifting support frame medium-height trestle（So-called support is slim, refers to One from the long alleviating distention in middle-JIAO of its profile in terms of the transverse section of support is small-sized, so-called slenderization, then refer to that two are relatively small in size）, This is a very big challenge to traditional lifting support frame, and which relates generally to the overall dimensions of the slide rail of internal installation, it is necessary to little, Frame could be thinner more slender, but the conventional ball slide rail of prior art its profile length and width size from from transverse section is too big, and its It is impossible, corresponding New-support to very little that intrinsic special construction has determined which wants shrink sector overall dimensions naturally Also it cannot be just accommodated, so that in cannot meeting and having the lifting support frame of slim or slender type support requirement, it is impossible to meet at present The esthetic requirement of people.And existing ball slide rail also has such as part many, complex structure takes up room big, and installation is difficult, processing Manufacture difficulty is big, the defect such as cost height.For the manufacturer of associated support device, this kind of support is often run into for a long time The slim support frame structure of thickness requirement, can only often select to abandon, limit the use range of product, bring to manufacturer Inconvenience.Especially people increasingly pursue that bracing frame is slim or slender type support it is current, prior art ball slide rail is The demand of people cannot be met.

It is worth mentioning that the structure of the so-called pulley type of also a kind of close prior art of the present utility model（In accompanying drawing not Show the prior art structure）, which uses plastic wheel or steel wheel rather than rolling bearing is rolled in track slot, but its still exist it is all Many defects, these defects include：The easy temperature influence of plastic roller causes larger harmomegathus and affects elastic cooperation in orbit It is stable, it is very high to fit clearance requirement, gap is easily caused, lifting is produced and is shaken the stuck sense of dynamic or gap dieback cause, it is long with the time Profile can creep, form polygonal wheel and affect to roll smoothness, bearing capacity is little, short life, also because making without rolling element Rolling resistance is big；To using common metal wheel, then because rolling lifting is made without rolling element, smooth, resistance is not big and unstable, to coordinating Clearance requirement height etc., the prior art slide rail cannot still meet the demand of people.

Therefore how on the premise of it can reach elevating function, produce relatively small, particularly ultra-thin volume or slender type, Structure simpler, cost is lower, while and the substituted device without prior art defect, it is for one of important topic.

For this purpose, propose a kind of reasonable in design and effectively solving drawbacks described above device, in this industry great demand and send out Exhibition potentiality.

Utility model content

The purpose of this utility model is the defect for overcoming above-mentioned prior art, there is provided a kind of pulley type rolls lifting dress Put, by way of being rolled in track using rolling bearing play and replace in traditional two piece ball slide rail or pulley type Non- bearing class roller commonly use structure.

To achieve these goals, this utility model is realized using following scheme：

A kind of pulley type rolls lowering or hoisting gear, and which is used in display lifting support frame, plays the grillage that both sides are wing plate Ball slide rail effect of shape lifters its relative plate shape support liftings, is characterized in that, including：

Four rolling bearings, each rolling bearing include an outer ring, several rolling elements, corresponding with several rolling elements again Retainer, an inner ring；Corresponded on wing plate described in the grillage shape lifters two respectively per two rolling bearings Edge lifting direction is respectively in top and two fixed rotary shafts of upper position；The rolling bearing exposes to the wing described in two On plate it is non-towards two sides outside；

The elongated narrow slit shape track of two steels；Each track with one opening narrow slit, track described in two it is described narrow Gap is equal；Track described in two is arranged respectively longitudinally parallelly and rides in the plate shape support both sides and track described in two Thickness is filled in simultaneously can everywhere equal to the same plane body in the gap in narrow slit described in two in narrow slit direction described in two；The same side Rolling bearing described in the two of the wing plate is one group, and rolling bearing described in two groups is correspondingly arranged at two institutes of track described in two respectively State in interval of slit and roll and by its guiding.

Further, the gap of the narrow slit be equal to or slightly greater than described rolling bearing outer ring external diameter.

Further, the rotary shaft is integrated the integral piece that shapes and is all steel part with the inner ring.

Further, the rotary shaft is stepped ramp type screw, and there is a cylindrical section, an external diameter to be less than the cylindrical section external diameter for which External thread section, the external thread section is screw-locked on the wing plate, and the inner ring of the rolling bearing is sheathed on the cylindrical section.

Further, each track is seen as U-shaped structure from transverse section, and track described in two is on the plate shape support Its two U-shaped opening every Kongxiang towards.

Further, from terms of transverse section, the opening of its U-shaped of track described in two is every Kongxiang towards but the one of both U-shapeds Ipsilateral is connected as a single entity shaping.

Further, each track is seen as II character form structures from transverse section.

Further, from longitudinal direction, an II counterparts at least termination of each track is connected as a single entity.

Further, the outside of the wing plate described in grillage shape lifters two is installed with several plastic wear parts respectively, described Wing plate carries out the lifting shifting via the wall or the track wall on those plastic wear parts and the plate shape support is inconsistent It is dynamic, so that the grillage shape lifters are obtained in the constraint perpendicular to its plate face direction and reduce the friction of lifting moving simultaneously Resistance.

Further, from terms of lifting direction, rotary shaft described in a group two in the two wing plates upper position and it is in Rotary shaft described in a group two of upper position mutually extends the axle that is connected as a single entity between same group respectively, to improve rigidity.

The beneficial effects of the utility model are：The defect of prior art is overcome, by especially existing using rolling bearing The innovation structure of the rolling guiding in track replaces traditional ball slide rail, thereby effectively reduces transverse section overall dimensions, then To realize that ultra-thin and slenderization of support provides possibility；Simultaneously also have that structure is extremely simple, reliable, stable, life-span length, lift Smooth not clamping stagnation, bearing capacity are big, low cost, assembling facility, and more environmentally friendly, overall dimensions are especially little, the features such as taking up space less.Together When, it is existing that this utility model also overcomes another close use plastic wheel or steel wheel rather than rolling bearing is rolled in track slot Many defects of technology pulley type structure, these defects include：The easy temperature influence of plastic roller causes larger harmomegathus and affects Elastic cooperation in orbit is stable, very high to fit clearance requirement, is easily caused gap, produces lifting and shakes dynamic or gap dieback Cause stuck sense, with time length profile can creep, form polygonal wheel and affect to roll smoothness, short life, also because without rolling Kinetoplast and make rolling resistance big；To using common metal wheel, then because rolling lifting is made without rolling element, smooth, resistance is not big, unstable It is fixed, fit clearance is had high demands etc., by contrast, this utility model rolling bearing rolling resistance is minimum, and bearing capacity is big, performance Highly stable, precision is high, more sturdy and durable, insensitive with temperature deformation, and without creep, dimensionally stable will to fit clearance Ask less high, roll smooth without clamping stagnation.

Feature of the present utility model and technology contents are further understood that to enable, are referred to below in connection with utility model Describe in detail and accompanying drawing, but institute's accompanying drawings are only provided with reference to being used with explanation, not for the utility model person of being any limitation as.

Description of the drawings

Fig. 1 is a kind of combination transverse section cross-sectional schematic of slide rail in prior art；

Fig. 2 is combination decomposing schematic representation of the present utility model；

Combination transverse section cross-sectional schematics of the Fig. 3 for this utility model part part；

Combination decomposing schematic representations of the Fig. 4 for concrete application example of this utility model in display lifting support frame.

Symbol description：

1：Plate shape support

2：Lifters

21：Wing plate

23：Plastic wear part

25：Rolling bearing

26：Rotary shaft

3：Track

31：Gap.

Specific embodiment

It is below to illustrate that the pulley type of utility model rolls the embodiment of lowering or hoisting gear by specific instantiation, is familiar with The personage of this technology can be by disclosed in this specification content understand other advantages and effect of utility model easily.It is practical new Type also can be implemented or be applied by other different instantiations, and the every details in this specification can also be based on different viewpoints With application, various modifications and change are carried out under the spirit for not departing from utility model.Particularly, the schema of this utility model is only For simple declaration, not describe according to actual size, that is, unreacted go out the actual size of related composition, this specification institute accompanying drawing its The structure that illustrates, ratio, size etc., are only used for coordinating the content disclosed in description, for being familiar with the technology people in this field The understanding of scholar and reading, are not intended to limit the enforceable qualificationss of this utility model, therefore anticipate to not having technical essence Justice, the modification of any structure, the change of proportionate relationship or the adjustment of size, in the work(for not affecting this utility model can be generated Under effect and the purpose that can reach, still all should fall in the range of the technology contents disclosed in this utility model are covered.In the same manner, In note that this specification such as relating to " on ", D score, "front", "rear", the term such as "left", "right" be from operation for accompanying drawing Substantially orientation of the person from the point of view of display screen direction, also including terms such as " one ", is all merely and is easy to what is described to understand, Er Feiyong In limiting the enforceable scope of this utility model, its relativeness is suitably altered or modified, without substantial technological content alteration Under, including various modifications and change etc., when also should be regarded as the enforceable scope of this utility model.

Fig. 2, Fig. 3, and part are referred to referring to Fig. 4, a kind of pulley type rolls lowering or hoisting gear, which is used for display and rises descending branch In support, the grillage shape lifters 2 that both sides are wing plate 21 are played（It is often aluminium alloy or zinc alloy diecasting, or steel stamping part） The ball slide rail effect of its relative 1 lifting of plate shape support, is characterized in that, including：

Four rolling bearings 25（Such as ball bearing or roller bearing；Actual quantity can be also not limited to according to increase in demand Four, but cost can increase；Pure roller in ball slide rail or pulley type is replaced to add the device of track 3 using rolling bearing 25, its Performance is more reliable and more stable, and bearing capacity is big, life-span length, is deformed minimum by temperature, and without creep, rolling resistance is minimum, and part is few, Simple structure）, each rolling bearing 25 is again including an outer ring, several rolling elements（Such as ball or roller）, one with it is several The corresponding retainer of rolling element, an inner ring；Corresponded to installed in the grillage shape lifters 2 respectively per two rolling bearings 25 On wing plate 21 described in two along lifting direction respectively in top and two fixed rotary shafts 26 of upper position（The rotary shaft 26 Should be adapted to 25 inner ring of rolling bearing, such as, interference fit or the integral piece for shaping is integrated with glue or with the inner ring And it is all steel part））The rolling bearing 25 expose on wing plate 21 described in two it is non-towards two sides outside；

The elongated narrow slit shape track 3 of two steels（Such as transverse section is the punching press of U-shaped elongated steel sheet or rolling part）（Because of plate shape Support 1 is generally aluminium alloy, and case hardness is low, easy impression deformation, and track 3 needs independently to adopt steel plateelement, but also may be used if necessary Track 3 described in replacement two is taken into account locally with which）；Each track 3 is with an opening narrow slit（Equivalent to raceway）, rail described in two The interval of slit 31 in road 3 is equal（Should be adapted to because the external diameter of four rolling bearings 25 is identical therefore with its external diameter）；Rail described in two Distinguish in road 3（Such as, the generally described correspondence of plate shape support 1 resettlement place should be provided with the accommodating of adaptation Space）In the plate shape support 1（It is often aluminum alloy extrusion or die casting）Narrow slit side described in the two of track 3 described in both sides and two Thickness is filled in simultaneously can everywhere equal to the same plane body in the gap 31 in narrow slit described in two（Rail described in two is described Direction is controlled in road 3）；Rolling bearing 25 described in the two of wing plate 21 described in the same side is one group, 25 points of rolling bearing described in two groups It is not correspondingly arranged in interval of slit 31 described in two of track 3 described in two and rolls and by its guiding（Obviously, during the lifting Grillage shape lifters 2 are restrained in the fore-and-aft direction of track described in two 3）.

Further, the gap 31 of the narrow slit be equal to or outer ring described in slightly greater than described rolling bearing 25 external diameter （Obviously, so described 25 outer ring of rolling bearing can smoothly lift rolling, gap 31 and energy very little and reduce and rock）.

Further, the rotary shaft 26 is integrated the integral piece that shapes and is all steel part with the inner ring（Obviously, So reduces cost and axially can be positioned naturally, also simplify structure）.

Further, the rotary shaft 26 is stepped ramp type screw, and which has a cylindrical section, an external diameter less than outside the cylindrical section The external thread section in footpath, the external thread section are screw-locked on the wing plate 21, and the inner ring of the rolling bearing 25 is sheathed on the cylindrical section On.（Because relatively simple for structure therefore not shown；Obviously, also many architectural options can be used for the connection adaptation of three, and here is not added with Limit）.

Further, each track 3 is seen as U-shaped structure from transverse section, and track 3 described in two is in the plate shape support On 1, its two U-shaped opening is every sky（Mean and have certain distance between track 3 described in two）Towards.

Further, from terms of transverse section, the opening of 3 its U-shaped of track described in two is every Kongxiang towards but in both U-shapeds One ipsilateral is mutually linked as（Another ipsilateral, keeps intact, and does not connect）It is integrally formed（Such as, integrated punching or rolling forming, with Simplify structure, improve rigidity）.

Further, each track 3 is seen as II character form structures from transverse section（Such as, two elongate thin steel of II correspondences Piece）.

Further, from longitudinal direction, an II counterparts at least termination of each track 3 is connected as a single entity（Such as, Part is integrated, side sees that its longitudinal outward appearance is u-shaped, and rigidity is quite a lot of, can also be easy to assemble, carry and be easily integrally fixed on On plate shape support 1）.

Further, the outside difference of grillage shape 2 liang of wing plates 21 of lifters is fixed（Obviously, connected mode structure Can be various, here is without restriction）There are several plastic wear parts 23（Such as, it is POM plastic）, the wing plate 21 is via those plastics Wall or 3 wall of the track on anti-attrition part 23 and the plate shape support 1 is inconsistent（Because two walls are fixedly connected with indirectly, all It is to maintain static, so contradict effect quite, can be according to actual selection）The lifting moving is carried out, so that the grillage shape Lifters 2 are obtained in the constraint perpendicular to its plate face direction（The top end face of so rotary shaft 26 ensure that will not with it is described The plate shape support 1 mutually leaned at track 3 or the gap 31 1 mutually grinds and touches）And while reduce the frictional resistance of lifting moving （This is obvious）.

Further, from terms of lifting direction, 26 He of rotary shaft described in a group two in two wing plates, 21 upper position Rotary shaft 26 described in a group two in upper position mutually extends the axle that is connected as a single entity between same group respectively（It is short equivalent to four The rotary shaft 26 become two long rotary shafts and be connected on the wing plate 21）, to improve rigidity.

Fig. 4 is referred to, is the combination of the of the present utility model one actual Application Example in display lifting support frame Decomposing schematic representation.

This utility model is by especially adding the innovation structure of rolling guiding of the rotary shaft in track to take using rolling bearing For traditional ball slide rail, the defect of prior art is overcome, thereby effectively reduce transverse section overall dimensions, be realization then The ultrathin of frame is provided may；Simultaneously also have that structure is extremely simple, reliable, stable, life-span length, the smooth not clamping stagnation of lifting holds Carry power big, low cost, assembling facility, more environmentally friendly, overall dimensions are especially little, the features such as taking up space less.This utility model is simultaneously Overcome the prior art pulley type structure that another close use plastic wheel or steel wheel rather than rolling bearing are rolled in track slot Many defects, including：The easy temperature influence of plastic roller causes larger harmomegathus and affects elastic cooperation in orbit stable, Fit clearance is required very high, be easily caused gap, produce lifting and shake dynamic or gap dieback and cause stuck sense, the profile with time length Meeting creep, forms polygonal wheel and affects to roll smoothness, short life, also because making rolling resistance big without rolling element；To adopting With common metal wheel, then because rolling lifting is made without rolling element, smooth, resistance is not big, unstable, fit clearance is had high demands etc., By contrast, this utility model rolling bearing rolling resistance is minimum, and bearing capacity is big, and performance is highly stable, and precision is high, harder Gu durable, insensitive with temperature deformation, without creep, dimensionally stable is less high to fit clearance requirement, rolls smooth without clamping stagnation.

The foregoing is only the preferable possible embodiments of utility model, the scope of the claims that is non-therefore limiting to utility model, therefore Such as change with the equivalence techniques done by utility model description and schema content, be both contained in the protection domain of utility model It is interior.

Claims (10)

1. a kind of pulley type rolls lowering or hoisting gear, and which is used in display lifting support frame, plays the grillage shape that both sides are wing plate Ball slide rail effect of lifters its relative plate shape support liftings, is characterized in that, including：

Four rolling bearings, each rolling bearing include an outer ring, several rolling elements, a guarantor corresponding with several rolling elements again Hold frame, an inner ring；Corresponded on wing plate described in the grillage shape lifters two respectively along liter per two rolling bearings Drop direction is respectively in top and two fixed rotary shafts of upper position；The rolling bearing is exposed on wing plate described in two It is non-towards two sides outside；

The elongated narrow slit shape track of two steels；Each track has an opening narrow slit, between the narrow slit of track described in two Gap is equal；Track described in two arranges two institutes for riding in the plate shape support both sides and track described in two respectively longitudinally parallelly Stating narrow slit direction can be while fills in thickness everywhere equal to the same plane body in the gap in narrow slit described in two；Described in the same side Rolling bearing described in the two of wing plate be one group, rolling bearing described in two groups be correspondingly arranged at respectively track described in two two described in it is narrow Gap is interior and rolls and by its guiding.

2. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, the gap of the narrow slit is equal to or slight More than the outer ring external diameter of the rolling bearing.

3. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, the rotary shaft is one with the inner ring Integral piece that body is shaped simultaneously is all steel part.

4. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, the rotary shaft is stepped ramp type screw, Which has the external thread section of a cylindrical section, an external diameter less than the cylindrical section external diameter, and the external thread section is screw-locked on the wing plate, institute The inner ring for stating rolling bearing is sheathed on the cylindrical section.

5. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, each track is seen as from transverse section U-shaped structure, track described in two on the plate shape support its two U-shaped opening every Kongxiang towards.

6. pulley type according to claim 5 rolls lowering or hoisting gear, it is characterized in that, from terms of transverse section, track described in two its U The opening of font is every Kongxiang towards but the ipsilateral in both U-shapeds is connected as a single entity shaping.

7. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, each track is seen as from transverse section II character form structures.

8. pulley type according to claim 7 rolls lowering or hoisting gear, it is characterized in that, from longitudinal direction, each track An II counterparts at least termination is connected as a single entity.

9. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, the wing plate described in grillage shape lifters two Outside be installed with several plastic wear parts respectively, the wing plate is via the wall on those plastic wear parts and the plate shape support Or the track wall is inconsistent carries out the lifting moving, so that the grillage shape lifters are obtained perpendicular to its plate face The constraint in direction the simultaneously frictional resistance of reduction lifting moving.

10. pulley type according to claim 1 rolls lowering or hoisting gear, it is characterized in that, from terms of lifting direction, in described two Rotary shaft described in a group two of wing plate upper position and rotary shaft described in a group two in upper position between same group respectively Mutually extend the axle that is connected as a single entity, to improve rigidity.