CN106193867A

CN106193867A - Three pulleys

Info

Publication number: CN106193867A
Application number: CN201610592789.3A
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Kinlong Hardware Products Co Ltd
Current assignee: Guangdong Kinlong Hardware Products Co Ltd
Priority date: 2016-07-25
Filing date: 2016-07-25
Publication date: 2016-12-07
Anticipated expiration: 2036-07-25
Also published as: CN106193867B

Abstract

The present invention relates to a kind of three pulleys.Including roller, for installing described roller hinged two swing hinges and the balance hinge of linear interval and housing described swing hinge and the housing of described balance hinge, it is provided with on described swing hinge for hinged the first hinge hole of described balance hinge, for installing the first installing hole of described roller and between described first hinge hole and described first installing hole and be equipped with the fulcrum shaft being connected with described housing in the supported hole with described housing hinge, described supported hole；Described balance hinge two ends are respectively arranged with second hinge hole corresponding with described first hinge hole and at the second installing hole between the second hinge hole described in two, described second installing hole is equipped with the balance axle for installing described roller, can ensure that all rollers all contact with slide-rail for door and window, it is ensured that sliding door and window runs smooth and easy.

Description

Three pulleys

Technical field

The present invention relates to technical field of door and window accessories, particularly relate to a kind of three pulleys.

Background technology

Sliding door and window has a wide range of applications in actual life, owing to the roller on pulley assembly exists mismachining tolerance, The diameter of each roller differs, and sliding door and window, in motor process, exists in roll wheel assembly and do not contacts with slide-rail for door and window generation Roller, this does not only result in the phenomenon occurring clamping stagnation when sliding door and window slides, exists and the potential safety hazard of door and window derailing simultaneously.Separately Outward, door and window upper and lower slide rail is manufacturing and there is also error in installation process, and slide rail relative level exists certain inclination angle, or Slide rail surface is deformed and rough phenomenon occurs, roller can be made equally not contact with slide rail, finally also result in Sliding door and window motion has some setbacks.

Summary of the invention

Based on this, it is necessary to provide one can realize autobalance to guarantee that sliding door and window runs three pulley smoothly.

A kind of three pulleys, including roller, for installing described roller hinged two the swing hinges of linear interval Chain and a balance hinge and house described swing hinge and the housing of described balance hinge, described balance hinge is connected to Between two described swing hinges；

It is provided with on described swing hinge for first hinge hole hinged with described balance hinge, for installing described rolling Wheel the first installing hole and between described first hinge hole and described first installing hole and be used for and described housing hinge Supported hole, described supported hole is equipped with the fulcrum shaft being connected with described housing；

Described balance hinge two ends are respectively arranged with second hinge hole corresponding with described first hinge hole and are positioned at The second installing hole between second hinge hole described in two, is equipped with the balance for installing described roller in described second installing hole Axle；

Wherein, the first hinge hole being hinged described in and the second hinge hole at least one be long strip type hole.

Wherein in an embodiment, described housing is provided with two corresponding with described supported hole fulcrum hole, with And the vertically arranged guide frame between two described fulcrum holes；Described fulcrum shaft is arranged in described fulcrum hole, institute State balance axle to be slidably matched with described guide frame.

Wherein in an embodiment, described guide frame is U-type groove mouth or waist type groove.

Wherein in an embodiment, also include the arrangement for adjusting height for controlling described roller relative altitude, described Arrangement for adjusting height include being set with on the housing and with the shell of tilted slotted hole and install on the housing and for The push-pull mechanism that the most described shell of housing described in push-and-pull slides, described fulcrum shaft is slidably matched with described tilted slotted hole.

Wherein in an embodiment, described push-pull mechanism includes installing regulation screw on the housing, Yi Jishe Putting regulating block on the housing, described regulation screw is threadeded with described regulating block.

Wherein in an embodiment, described shell is installed with the cushion block for installing described regulation screw, described shell The chute being slidably matched with described regulating block it is provided with on body.

Wherein in an embodiment, described first hinge hole on same described swing hinge, the first installing hole and The center in support hole is not on same straight line.

Wherein in an embodiment, described second hinge hole is long strip type hole, and described long strip type hole is waist-shaped hole or length Circular arc type hole；Described first hinge hole is circular hole.

Wherein in an embodiment, described swing hinge includes two first side plates that are parallel and that be oppositely arranged, Yi Jilian Connecing the connecting plate of the first side plate described in two, described first hinge hole, the first installing hole and supported hole are correspondingly arranged at two institutes respectively State on the first side plate；

Described balance hinge includes two second side plates that are parallel and that be oppositely arranged, and described second side plate includes being positioned at two ends Two articulated sections and the lobe being connected to described in two between articulated section, described second hinge hole is arranged on described articulated section, Described second installing hole is arranged in described lobe.

Wherein in an embodiment, described housing and described shell are two ends open-ended and the cuboid of an opening Structure.

Three pulleys that the present invention provides, owing to the two ends of balance hinge have been respectively articulated with swing hinge, swing hinge passes through Fulcrum shaft and housing hinge, balance hinge is by balance axle and housing hinge, when roller produces mismachining tolerance or slide-rail for door and window product During raw inclination angle, can exist and not contact and unsettled roller with slide-rail for door and window, under the action of gravity of this unsettled roller, swing hinge Rotate producing with balance hinge and reach a new poised state, can reduce until the right side is completely eliminated automatically, in time Unsettled distance between side wheel and slide-rail for door and window, unsettled distance is effectively filled out by the autobalance effect of balance hinge Mend, finally make all rollers all contact with slide-rail for door and window, it is ensured that sliding door and window runs smooth and easy.

Accompanying drawing explanation

Fig. 1 is the decomposition texture schematic diagram of three pulleys；

Fig. 2 is the assembling structural representation of three pulleys；

Fig. 3 is the perspective view of swing hinge；

Fig. 4 is the perspective view of balance hinge；

Fig. 5 is the planar structure schematic diagram of housing；

Fig. 6 is the autobalance schematic diagram that right roller size is less than normal；

Fig. 7 is the autobalance schematic diagram that intermediate roller size is less than normal；

Fig. 8 is the autobalance schematic diagram that intermediate roller size is bigger than normal；

Fig. 9 is that pulley uses the autobalance schematic diagram that highly there are differences；

Figure 10 is the autobalance schematic diagram that slide-rail for door and window exists inclination angle；

Figure 11 is the main TV structure schematic diagram of three pulleys.

Detailed description of the invention

For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing Give the better embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to herein Described embodiment.On the contrary, providing the purpose of these embodiments is to make to understand the disclosure more Add thorough comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to To another element or may be simultaneously present centering elements.Term as used herein " interior ", " outward ", "left", "right" and For illustrative purposes only, being not offered as is unique embodiment in similar statement.

Simultaneously refering to Fig. 1 and Fig. 2.A kind of three pulleys, including housing 400, roller 300, two swing hinges 100 and one Balance hinge 200.Swing hinge 100 and balance hinge 200 are strip state, the linear structure that three connects in head and the tail, flat Weighing apparatus hinge 200 is hinged between two swing hinges 100, and balance hinge 200 and two swing hinges 100 are housed in housing 400.

Refering to Fig. 3, concrete, swing hinge 100 is provided with first hinge hole the 111, first installing hole 112 and supported hole 113, supported hole 113, between the first hinge hole 111 and the first installing hole 112, is equipped with bearing pin in the first installing hole 112, One roller 300 is installed on this bearing pin.

Refering to Fig. 4, concrete, balance hinge 200 is provided with the second hinge hole 211a and the second installing hole 212a, second Hinge hole 211a is positioned at the two ends of balance hinge 200, and the second installing hole 212a is then positioned at the middle part of balance hinge 200, and two swing First hinge hole 111 of hinge 100 is corresponding with the second hinge hole 211a at balance hinge 200 two ends respectively, and two mutual right The first hinge hole 111 and the second hinge hole 211a answered is provided with bearing pin, by the effect of this bearing pin, by balance hinge 200 It is mutually hinged with two swing hinges 100.

Refering to Fig. 1 and Fig. 5, housing 400 being provided with fulcrum hole 413 and guide frame, the quantity of fulcrum hole 413 is two Individual, guide frame is between two fulcrum holes 413, and two fulcrum holes 413 are corresponding with the supported hole 113 on two swing hinges 100, Fulcrum hole 413 and supported hole 113 are equipped with fulcrum shaft 700, by the effect of this fulcrum shaft 700, by two swing hinge 100 Hes Housing 400 is mutually hinged.Second installing hole 212a of balance hinge 200 is equipped with balance axle 800, this balance axle The stage casing of 800 is provided with a roller 300, and meanwhile, the two ends of this balance axle 800 form cunning with the guide frame on housing 400 The dynamic relation coordinated.Certainly, balance axle 800 can not also coordinate with the guide frame on housing 400.

Refering to Fig. 5, concrete, guide frame is U-type groove mouth or waist type groove 412, and in the present embodiment, guide frame is waist type Groove 412, this waist type groove 412 extends along the short transverse of housing 400, is i.e. vertically provided on housing 400.

In the first hinge hole 111 and the second hinge hole 211a being hinged, at least one is long strip type hole, long strip type hole Can be waist-shaped hole or oval arc shaped hole, concrete, in the present embodiment, the second hinge hole 211a be waist-shaped hole, this waist Type hole extends along the length direction of balance hinge 200, say, that waist-shaped hole is for being horizontally disposed with state, and the first hinge hole 111 is equal For circular hole；Certainly, the second hinge hole 211a can also be circular hole, and the first hinge hole 111 is then waist-shaped hole；It is appreciated that The second hinge hole 211a of balance hinge 200 one end is circular hole, and the hinge hole of its other end is that waist-shaped hole is also possible, only Ensure the first hinge hole 111 and the second hinge hole 211a being hinged at least exists one for elongate holes.

Further, first hinge hole the 111, first installing hole 112 on same swing hinge 100 and supported hole 113 Center is not on same straight line, and certainly, three can also be located along the same line, concrete, and supported hole 113 is at swing hinge Height residing on 100 is higher than the height residing for the first installing hole 112 and supported hole 113, the first installing hole 112 and supported hole The height of 113 is equal.The second hinge hole 211a and the second installing hole 212a on balance hinge 200 can be on same straight line, Can also be staggered certain distance.On housing 400, the height at waist Xing Cao 412 center is less than two fulcrum hole 413 centers on housing 400 Residing height.The height of two fulcrum holes 413 is the most equal.

Refering to Fig. 1 and Fig. 2, further, pulley also includes arrangement for adjusting height, concrete, can regulate shell 500 with Relative altitude between housing 400, arrangement for adjusting height includes shell 500 and push-pull mechanism 600, and shell 500 surrounds housing 400 And be sleeved on housing 400, shell 500 offers twice tilted slotted hole 521, the height of twice tilted slotted hole 521 opposite shell 500 Direction tilts certain angle, and certainly, the angle of inclination of twice tilted slotted hole 521 is equal, and incline direction is identical, can the most to the left Or be tilted to the right.The two ends of fulcrum shaft 700 are contained in tilted slotted hole 521, and form slip cooperating relationship with tilted slotted hole 521.

Refering to Fig. 1, push-pull mechanism 600 includes regulating screw 610, regulating block 620 and cushion block 630, the company of fixing on shell 500 Being connected to cushion block 630, cushion block 630 includes orthogonal horizontal block 631 and vertical block 632, and horizontal block 631 offers vertical spiral shell Pit 631a, horizontal block 631 is achieved a fixed connection with shell 500 by the bolt being arranged in this perpendicular screwed hole 631a.Shell On body 400, the one end near push-pull mechanism 600 is provided with chute 411 along its short transverse, is provided with regulating block in this chute 411 620, this regulating block 620 can realize sliding up and down in chute 411.One end of regulation screw 610 is opened on vertical block 632 If horizontal threaded bore 632a and threaded with regulating block 620.

Swing hinge 100 includes two first side plates 110 and connecting plate 120, relative and parallel set between two first side plates 110 Putting, connecting plate 120 is U-shape structure, and the two ends of connecting plate 120 are fixing with two first side plates 110 respectively to be connected, the first hinge hole 111, the first installing hole 112 and supported hole 113 are correspondingly arranged on each block of the first side plate 110 respectively.

Balance hinge 200 includes that two second side plates 210 that are parallel and that be oppositely arranged, each block of the second side plate 210 include hinge Connecing portion 211 and lobe 212, articulated section 211 is positioned at the two ends of the second side plate 210, and lobe 212 is connected to each piece of the second side On plate 210 between two articulated sections 211, the relative articulated section 211 of lobe 212 is outwardly along the width of balance hinge 200 A certain distance, the second hinge hole 211a is arranged on articulated section 211, and the second installing hole 212a is arranged in lobe 212.

It is rectangular structure refering to Fig. 1, shell 500 and housing 400, all includes the two parallel and sidewalls that are oppositely arranged 520, and connect the roof 510 of two side 520, this cuboid is actual is two ends open-ended and a flat U-shape structure of opening.

Refering to Fig. 6, when the roller 300 on one of them swing hinge 100 exists mismachining tolerance, such as, at slide-rail for door and window In the case of 900 are in level, roller 300 diameter on the swing hinge 100 on right side is straight relative to other two rollers 300 Footpath is less than normal, and now, the swing hinge 100 on right side is around fulcrum shaft 700 clockwise oscillation on right side, the downward phase of roller 300 on right side Moving downward housing 400, meanwhile, the swing hinge 100 on right side drives balance hinge 200 to rotate counterclockwise, and balance hinge The roller 300 in swing hinge 100 clockwise oscillation on the left of 200 drives, middle roller 300 and left side is all relative to housing 400 move upward, and finally make three rollers 300 all keep contacting with slide-rail for door and window 900.In other words, process due to roller 300 Error makes roller 300 size on right side less than normal, and middle roller 300 contacts with slide-rail for door and window 900 with the roller 300 in left side, And the roller 300 on right side is in vacant state, the vacant state of the roller 300 on right side destroys the balance of balance hinge 200, in Being under the driving of roller 300 gravity on right side, generation is rotated and reaches one newly by swing hinge 100 and balance hinge 200 Balance (i.e. three rollers 300 all contact with slide-rail for door and window 900), the roller 300 on right side and the roller 300 in left side and centre Roller 300 produces adverse movement, so can reduce automatically, in time until the roller 300 that right side is completely eliminated is sliding with door and window Unsettled distance between rail 900, say, that unsettled distance is obtained by the autobalance effect of balance hinge 200 effectively Fill up, so that three rollers 300 all contact with slide-rail for door and window 900.Balance hinge 200 is as balance, when certain side Roller 300 size bigger than normal relative to roller 300 size of opposite side time, balance hinge 200 is by larger-size for way roller 300 one Roll tiltedly.Swing hinge 100 is equivalent to a lever, under being in the effect of gravity of vacant state roller 300, and swing hinge 100 swing producing around fulcrum shaft 700 and realize contacting of all rollers and slide-rail for door and window 900.

During the autobalance of balance hinge 200, owing to being provided with waist type groove 412 on housing 400, along with balance hinge The rotation of chain 200, balance axle 800 can slide up and down in waist type groove 412 and automatically adjust and find accurately its new equilibrium point, really Protect balance hinge 200 and smoothly transit to another new poised state.Meanwhile, the second hinge hole 211a is waist-shaped hole, this waist type Hole is for connecting the side-to-side movement offer activity space of balance hinge 200 and the bearing pin of swing hinge 100, it is to avoid balance hinge 200 With swing hinge 100, stuck phenomenon occurs in rotation process.The first hinge hole 111, first on same swing hinge 100 The center of installing hole 112 and supported hole 113 is not on same straight line, and the swing that also can make swing hinge 100 is more smoothly.

Refering to Fig. 7, and for example, when the size of middle the most left and right two rollers 300 of roller 300 is less than normal, middle roller 300 are in vacant state, about sash is applied under the effect of the pressure of two rollers 300, on the right side of balance hinge 200 drive Swing hinge 100 rotates counterclockwise, and the relative housing 400 of roller 300 on right side rises, the swing on the left of balance hinge 200 drive Hinge 100 rotates clockwise, and the relative housing 400 of roller 300 in left side rises equally, and the balance relative waist type groove 412 of axle 800 is downward Motion, the middle relative housing 400 of roller 300 moves downward, and finally, balance hinge 200 reaches new balance, three rollers 300 contact with slide-rail for door and window 900 simultaneously.

Refering to Fig. 8, for another example, when the size of middle the most left and right two rollers 300 of roller 300 is bigger than normal, left and right two rollings Wheel 300 is in vacant state, and under the pressure effect that sash applies to intermediate roller 300, the swing hinge 100 on right side is the rightest The fulcrum shaft 700 of side rotates clockwise, and the relative housing 400 of roller 300 on right side declines, and the swing hinge 100 in left side is the most left The fulcrum shaft 700 of side rotates counterclockwise, and the relative housing 400 of roller 300 in left side declines equally, balances the relative waist type groove of axle 800 412 move upward, and the middle relative housing 400 of roller 300 moves upward, and finally, balance hinge 200 reaches new balance, and three Individual roller 300 contacts with slide-rail for door and window 900 simultaneously.

Refering to Fig. 9 and Figure 10, when slide-rail for door and window 900 exists inclination angle or out-of-flatness, or during erection of doors and windows, left There is the error of regulation on use height in right two side rollers, produces certain angles of inclination X ° between housing 400 and slide-rail for door and window 900, Cause there is the roller 300 not contacted with slide-rail for door and window 900.Now, balance hinge 200 still can play autobalance effect. Such as, when slide-rail for door and window 900 is tilted to the left, the roller 300 on right side moves upward, middle roller 300 and the roller in left side 300 move downward, and finally make three rollers 300 contact with slide-rail for door and window 900 simultaneously.

Refering to Fig. 1 and Figure 11, during adjustable pulley uses height, only need turning adjusting screw 610, due to cushion block 630 are fixed on shell 500, and regulation screw 610 is equivalent to the effect of screw mandrel, and regulation screw 610 pulls shell by regulating block 620 Body 400 opposite shell 500 is moved, and then makes fulcrum shaft 700 slide in tilted slotted hole 521, thus changes the use height of pulley. Concrete, when regulating screw 610 and driving housing 400 opposite shell 500 to move right, oblique along shell 500 of fulcrum shaft 700 Slotted eye 521 does and moves obliquely, and housing 400 opposite shell 500 rises.When regulation screw 610 drives housing 400 opposite shell 500 when left movement, and the fulcrum shaft 700 tilted slotted hole 521 along shell 500 does and moves obliquely, housing 400 opposite shell 500 Decline.

Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope that this specification is recorded.

Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims

1. a pulley, it is characterised in that include roller, for install described roller and linear interval hinged two Individual swing hinge and a balance hinge and house described swing hinge and the housing of described balance hinge, described balance is cut with scissors Chain is connected between two described swing hinges；

It is provided with on described swing hinge for first hinge hole hinged with described balance hinge, for installing described roller First installing hole and between described first hinge hole and described first installing hole and for described housing hinge Support hole, is equipped with the fulcrum shaft being connected with described housing in described supported hole；

Described balance hinge two ends are respectively arranged with second hinge hole corresponding with described first hinge hole and are positioned at two institutes State the second installing hole between the second hinge hole, described second installing hole is equipped with the balance axle for installing described roller；

Three pulleys the most according to claim 1, it is characterised in that be provided with corresponding with described supported hole on described housing Two fulcrum holes and vertically arranged guide frame between two described fulcrum holes；Described fulcrum shaft is arranged on In described fulcrum hole, described balance axle is slidably matched with described guide frame.

Three pulleys the most according to claim 2, it is characterised in that described guide frame is U-type groove mouth or waist type groove.

Three pulleys the most according to claim 1, it is characterised in that also include the height for controlling described roller relative altitude Degree adjusting means, described arrangement for adjusting height includes being set with on the housing and with the shell of tilted slotted hole and be arranged on The push-pull mechanism slided on described shell and for the most described shell of housing described in push-and-pull, described fulcrum shaft and described tilted slotted hole It is slidably matched.

Three pulleys the most according to claim 4, it is characterised in that described push-pull mechanism includes installing on the housing Regulation screw and setting regulating block on the housing, described regulation screw is threadeded with described regulating block.

Three pulleys the most according to claim 5, it is characterised in that be installed with on described shell for installing described regulation spiral shell The cushion block of nail, described housing is provided with the chute being slidably matched with described regulating block.

Three pulleys the most according to claim 1, it is characterised in that described first hinged on same described swing hinge The center of hole, the first installing hole and supported hole is not on same straight line.

Three pulleys the most according to claim 1, it is characterised in that described second hinge hole is long strip type hole, described strip Type hole is waist-shaped hole or oval arc shaped hole；Described first hinge hole is circular hole.

Three pulleys the most according to claim 1, it is characterised in that

Described swing hinge includes two first side plates that are parallel and that be oppositely arranged and connects the connection of the first side plate described in two Plate, described first hinge hole, the first installing hole and supported hole are correspondingly arranged on the first side plate described in two respectively；

Described balance hinge includes two second side plates that are parallel and that be oppositely arranged, and described second side plate includes two hinges being positioned at two ends Connecing portion and the lobe being connected to described in two between articulated section, described second hinge hole is arranged on described articulated section, described Second installing hole is arranged in described lobe.

Three pulleys the most according to claim 1, it is characterised in that described housing and described shell are two ends open-ended And the rectangular structure of an opening.