CN106193867B

CN106193867B - three pulleys

Info

Publication number: CN106193867B
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: 2018-07-10
Anticipated expiration: 2036-07-25
Also published as: CN106193867A

Abstract

The present invention relates to a kind of three pulleys.Including idler wheel, for installing the idler wheel and two hinged swing hinges of linear interval and a balance hinge and accommodate the housing of the swing hinge and the balance hinge, it is provided on the swing hinge for the first hinged hinge hole of the balance hinge, for the first mounting hole for installing the idler wheel and between first hinge hole and first mounting hole and for the supported hole with the housing hinge, the fulcrum shaft being connect with the housing is equipped in the supported hole；The balance hinge both ends are respectively arranged with the second hinge hole corresponding with first hinge hole and the second mounting hole between two second hinge holes, the balance shaft for installing the idler wheel is equipped in second mounting hole, it can ensure that all idler wheels are contacted with slide-rail for door and window, it is ensured that sliding door and window operation is smooth.

Description

Three pulleys

Technical field

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

Background technology

Sliding door and window has a wide range of applications in actual life, since the idler wheel on pulley assembly is there are mismachining tolerance, The diameter of each idler wheel differs, and sliding door and window exists during the motion, in roll wheel assembly not to be contacted with slide-rail for door and window generation Idler wheel, this, which is not only resulted in when sliding door and window slides, there is the phenomenon that clamping stagnation, exists simultaneously the security risk derailed with door and window.Separately Outside, door and window upper and lower slide rail manufacture and installation process in there is also error, sliding rail relative level there are certain inclination angle or Sliding rail surface is deformed and the phenomenon that uneven occurs, equally idler wheel can be caused not contacted with sliding rail, finally also resulted in Sliding door and window movement has some setbacks.

Invention content

Based on this, it is necessary to which providing a kind of can realize autobalance to ensure sliding door and window operation smoothly three pulley.

A kind of three pulleys, including idler wheel, for installing the idler wheel, simultaneously two hinged swings of linear interval are cut with scissors Chain and a balance hinge and the housing for accommodating the swing hinge and the balance hinge, the balance hinge are connected to Between two swing hinges；

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

The balance hinge both ends are respectively arranged with the second hinge hole corresponding with first hinge hole and are located at The second mounting hole between two second hinge holes is equipped with the balance for installing the idler wheel in second mounting hole Axis；

Wherein, first hinge hole being hinged and the second hinge hole are at least one for strip type hole.

Be provided on the housing in one of the embodiments, two fulcrum holes corresponding with the supported hole, with And the vertically arranged guide frame between two fulcrum holes；The fulcrum shaft is mounted in the fulcrum hole, institute Balance shaft is stated to be slidably matched with the guide frame.

The guide frame is U type slot or waist type groove in one of the embodiments,.

The height adjustment device for controlling the idler wheel relative altitude is further included in one of the embodiments, it is described Height adjustment device includes suit on the housing and carries the shell of tilted slotted hole and install on the housing and be used for The push-pull mechanism that the relatively described shell of the housing slides is pushed and pulled, the fulcrum shaft is slidably matched with the tilted slotted hole.

The push-pull mechanism includes installation adjusting screw on the housing, Yi Jishe in one of the embodiments, Adjusting block on the housing is put, the adjusting screw is threadedly coupled with the adjusting block.

The cushion block for installing the adjusting screw, the shell are installed on the shell in one of the embodiments, The sliding slot being slidably matched with the adjusting block is provided on body.

First hinge hole, the first mounting hole and branch on the same swing hinge in one of the embodiments, The center in support hole is not on same straight line.

Second hinge hole is strip type hole in one of the embodiments, and the strip type hole is waist-shaped hole or length Circular arc type hole；First hinge hole is circular hole.

The swing hinge includes two first side plates, Yi Jilian parallel and be oppositely arranged in one of the embodiments, The connecting plate of two first side plates is connect, first hinge hole, the first mounting hole and supported hole are correspondingly arranged at two institutes respectively It states on the first side plate；

The balance hinge includes two second side plates that are parallel and being oppositely arranged, and second side plate is included positioned at both ends Two articulated sections and the lug boss being connected between two articulated sections, second hinge hole are arranged on the articulated section, Second mounting hole is arranged on the lug boss.

The housing and the shell are both ends open-ended and the cuboid of one side opening in one of the embodiments, Structure.

Three pulley provided by the invention, since the both 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 shaft and housing hinge, when idler wheel generates mismachining tolerance or slide-rail for door and window production During raw inclination angle, can exist and not contacted and hanging idler wheel with slide-rail for door and window, under the gravity of the hanging idler wheel, swing hinge It will be generated with balance hinge and rotate and reach a new equilibrium state, can reduced automatically, in time until completely eliminating the right side Hanging distance between side wheel and slide-rail for door and window, hanging distance act on effectively being filled out by the autobalance of balance hinge It mends, finally so that all idler wheels are contacted with slide-rail for door and window, it is ensured that sliding door and window operation is smooth.

Description of the drawings

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

Fig. 2 is the assembling structure schematic diagram of three pulleys；

Fig. 3 is the dimensional structure diagram of swing hinge；

Fig. 4 is the dimensional structure diagram of balance hinge；

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

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

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

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

Fig. 9 uses the autobalance schematic diagram highly having differences for pulley；

Figure 10 is autobalance schematic diagram of the slide-rail for door and window there are inclination angle；

Figure 11 is the main structure diagram of three pulleys.

Specific embodiment

For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached 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, the purpose of providing these embodiments is that make to understand more the disclosure Add thorough and comprehensive.

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

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

Refering to Fig. 3, specifically, being provided with the first hinge hole 111, the first mounting hole 112 and supported hole on swing hinge 100 113, supported hole 113 is equipped with axis pin between the first hinge hole 111 and the first mounting hole 112 in first mounting hole 112, There are one idler wheels 300 for installation on the axis pin.

Refering to Fig. 4, specifically, the second hinge hole 211a and the second mounting hole 212a are provided on balance hinge 200, second Hinge hole 211a is located at the both ends of balance hinge 200, and the second mounting hole 212a is then located 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 200 both ends of balance hinge respectively, and two mutually right Axis pin is installed in the first hinge hole 111 and the second hinge hole 211a answered, by the effect of the axis pin, by balance hinge 200 It is mutually hinged with two swing hinges 100.

Refering to Fig. 1 and Fig. 5, fulcrum hole 413 and guide frame are provided on housing 400, the quantity of fulcrum hole 413 is two A, for guide frame between two fulcrum holes 413, two fulcrum holes 413 are corresponding with the supported hole 113 on two swing hinges 100, Fulcrum shaft 700 is equipped in fulcrum hole 413 and supported hole 113, by the effect of the fulcrum shaft 700, by two swing hinges, 100 He Housing 400 is mutually hinged.Balance shaft 800 is equipped in second mounting hole 212a of balance hinge 200, the balance shaft 800 stage casing is installed there are one idler wheel 300, meanwhile, both ends and the guide frame on housing 400 of the balance shaft 800 form cunning The relationship of dynamic cooperation.Certainly, balance shaft 800 can not also coordinate with the guide frame on housing 400.

Refering to Fig. 5, specifically, guide frame is U type slot or waist type groove 412, in the present embodiment, guide frame is waist type Slot 412, the waist type groove 412 extend along the short transverse of housing 400, that is, are vertically provided on housing 400.

It is at least one for strip type hole, strip type hole in the first hinge hole 111 and the second hinge hole 211a that are hinged Can be waist-shaped hole or oval arc shaped hole, specifically, in the present embodiment, the second hinge hole 211a is waist-shaped hole, the waist Type hole extends along the length direction of balance hinge 200, that is to say, that waist-shaped hole is horizontally disposed state, and the first hinge hole 111 is 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 200 one end of balance hinge is circular hole, and the hinge hole of its other end is also possible for waist-shaped hole, only Ensure in the first hinge hole 111 and the second hinge hole 211a that are hinged that at least there are one be elongate holes.

Further, the first hinge hole 111 on same swing hinge 100, the first mounting hole 112 and supported hole 113 Center is not on same straight line, and certainly, three can also be located along the same line, specifically, supported hole 113 is in swing hinge Residing height is higher than the first mounting hole 112 and the first hinge hole 111, the first mounting hole 112 and the first hinge hole 111 on 100 Height it is equal.The second hinge hole 211a and the second mounting hole 212a on balance hinge 200 can be on same straight line, also may be used With the certain distance that is staggered.The height at 412 center of waist type groove is residing on housing 400 less than two fulcrum holes, 413 center on housing 400 Height.The height of two fulcrum holes 413 is then equal.

Refering to Fig. 1 and Fig. 2, further, pulley further includes height adjustment device, specifically, can adjust shell 500 with Relative altitude between housing 400, height adjustment device include shell 500 and push-pull mechanism 600, and shell 500 surrounds housing 400 And be sleeved on housing 400, twice tilted slotted hole 521, the height of 521 opposite shell 500 of twice tilted slotted hole are offered on shell 500 Direction tilts certain angle, and certainly, the angle of inclination of twice tilted slotted hole 521 is equal, and inclined direction is identical, can simultaneously to the left Or it is tilted to the right.The both ends of fulcrum shaft 700 are accommodated in tilted slotted hole 521, and form slip cooperating relationship with tilted slotted hole 521.

Refering to Fig. 1, push-pull mechanism 600 includes adjusting screw 610, adjusting block 620 and cushion block 630, fixed on shell 500 to connect Cushion block 630 is connected to, cushion block 630 includes orthogonal horizontal block 631 and vertical block 632, vertical spiral shell is offered in horizontal block 631 Pit 631a, horizontal block 631 are achieved a fixed connection by the bolt being mounted in perpendicular screwed hole 631a with shell 500.Shell One end on body 400 close to push-pull mechanism 600 is provided with sliding slot 411 along its short transverse, and adjusting block is provided in the sliding slot 411 620, which can realize in sliding slot 411 and slide up and down.One end of adjusting screw 610 passes through opens on vertical block 632 If horizontal threaded bore 632a and be threadedly coupled with adjusting block 620.

Swing hinge 100 includes two first side plates 110 and connecting plate 120, opposite between two first side plates 110 and parallel set It puts, connecting plate 120 is U-shaped structure, and the both ends of connecting plate 120 are fixedly connected respectively with two first side plates 110, the first hinge hole 111st, the first mounting hole 112 and supported hole 113 are correspondingly arranged at respectively on each block of the first side plate 110.

Balance hinge 200 includes two second side plates 210 that are parallel and being oppositely arranged, and each block of the second side plate 210 includes hinge Socket part 211 and lug boss 212, articulated section 211 are located at the both ends of the second side plate 210, and lug boss 212 is connected to each piece of the second side On plate 210 between two articulated sections 211, lug boss 212 is outwardly protruded with respect to articulated section 211 along the width direction of balance hinge 200 A certain distance, the second hinge hole 211a are arranged on articulated section 211, and the second mounting hole 212a is arranged on lug boss 212.

Refering to Fig. 1, shell 500 and housing 400 are rectangular parallelepiped structure, including the two parallel and side walls that are oppositely arranged 520 and the roof 510 of two side 520 is connected, the cuboid is practical for both ends open-ended and the flat U-shaped structure that is open on one side.

Refering to Fig. 6, when the idler wheel 300 on one of swing hinge 100 is there are mismachining tolerance, for example, in slide-rail for door and window In the case that 900 are in horizontality, relatively other two idler wheels 300 of 300 diameter of idler wheel on the swing hinge 100 on right side are straight Diameter is less than normal, at this point, fulcrum shaft 700 clockwise oscillation of the swing hinge 100 on right side around right side, the 300 downward phase of idler wheel on right side Housing 400 is moved downward, meanwhile, the swing hinge 100 on right side drives balance hinge 200 to rotate counterclockwise, and balance hinge The idler wheel 300 in 200 100 clockwise oscillations of swing hinge for driving left side, intermediate idler wheel 300 and left side is with respect to housing 400 move upwards, finally so that three idler wheels 300 are contacted with the holding of slide-rail for door and window 900.In other words, since idler wheel 300 is processed Error so that 300 size of idler wheel on right side is less than normal, and intermediate idler wheel 300 and the idler wheel 300 in left side are contacted with slide-rail for door and window 900, And the idler wheel 300 on right side is in vacant state, the vacant state of the idler wheel 300 on right side destroys the balance of balance hinge 200, in It is under the driving of 300 gravity of idler wheel on right side, swing hinge 100 and balance hinge 200 will generate and rotate and reach one newly Balance (i.e. three idler wheels 300 are contacted with slide-rail for door and window 900), the idler wheel 300 on right side and the idler wheel 300 in left side and centre Idler wheel 300 generates counter motion, can be reduced automatically, in time in this way until completely eliminating the idler wheel 300 on right side and door and window cunning Hanging distance between rail 900, that is to say, that hanging distance acts on obtaining effectively by the autobalance of balance hinge 200 It fills up, so that three idler wheels 300 are contacted with slide-rail for door and window 900.Balance hinge 200 is as balance, when certain side 300 size of idler wheel it is bigger than normal with respect to 300 size of idler wheel of opposite side when, balance hinge 200 is by way roller 300 larger-size one It rolls oblique.Swing hinge 100 is equivalent to a lever, under the action of the gravity in vacant state idler wheel 300, swing hinge 100 will generate swing around fulcrum shaft 700 and realize contact of all idler wheels with slide-rail for door and window 900.

During the autobalance of balance hinge 200, due to being provided with waist type groove 412 on housing 400, as balance is cut with scissors The rotation of chain 200, balance shaft 800 can slide up and down in waist type groove 412 and adjust automatically and find its new equalization point accurately, really It protects balance hinge 200 and smoothly transits to another new equilibrium state.Meanwhile second hinge hole 211a be waist-shaped hole, the waist type Hole provides activity space for connection balance hinge 200 and the side-to-side movement of the axis pin of swing hinge 100, avoids balance hinge 200 Occurs the phenomenon that stuck in rotation process with swing hinge 100.The first hinge hole 111, first on same swing hinge 100 The center of mounting hole 112 and supported hole 113 is not on same straight line, can also make the swing of swing hinge 100 more smoothly.

Refering to Fig. 7, for another example, when the size of intermediate relatively left and right two idler wheel 300 of idler wheel 300 is less than normal, intermediate idler wheel 300 are in vacant state, and under the action of sash is applied to the pressure of two idler wheels 300 of left and right, balance hinge 200 drives right side Swing hinge 100 rotates counterclockwise, and the idler wheel 300 on right side rises with respect to housing 400, and balance hinge 200 drives the swing in left side Hinge 100 rotates clockwise, and the idler wheel 300 in left side equally rises with respect to housing 400, and balance shaft 800 is with respect to waist type groove 412 downwards Movement, intermediate idler wheel 300 are moved downward with respect to housing 400, and finally, balance hinge 200 reaches new balance, three idler wheels 300 contact simultaneously with slide-rail for door and window 900.

Refering to Fig. 8, for another example, when the size of intermediate relatively left and right two idler wheel 300 of idler wheel 300 is bigger than normal, left and right two roll For wheel 300 under vacant state, the pressure effect applied in sash to intermediate roller 300, the swing hinge 100 on right side is relatively right The fulcrum shaft 700 of side rotates clockwise, and the idler wheel 300 on right side declines with respect to housing 400, and the swing hinge 100 in left side is relatively left The fulcrum shaft 700 of side rotates counterclockwise, and the idler wheel 300 in left side equally declines with respect to housing 400, and balance shaft 800 is with respect to waist type groove 412 move upwards, and intermediate idler wheel 300 is moved upwards with respect to housing 400, and finally, balance hinge 200 reaches new balance, and three A idler wheel 300 contacts simultaneously with slide-rail for door and window 900.

It is left when slide-rail for door and window 900 is there are when inclination angle or out-of-flatness or during erection of doors and windows refering to Fig. 9 and Figure 10 Right two side rollers exist using the error adjusted in height, and certain angles of inclination X ° is generated between housing 400 and slide-rail for door and window 900, Lead to the presence of the idler wheel 300 not contacted with slide-rail for door and window 900.At this point, balance hinge 200 can still play the role of autobalance. For example, when slide-rail for door and window 900 is tilted to the left, the idler wheel 300 on right side moves upwards, the idler wheel in intermediate idler wheel 300 and left side 300 move downward, final so that three idler wheels 300 contact simultaneously with slide-rail for door and window 900.

Refering to Fig. 1 and Figure 11, during adjustable pulley is using height, turning adjusting screw 610 is only needed, due to cushion block 630 are fixed on shell 500, and adjusting screw 610 is equivalent to the effect of screw, and adjusting screw 610 pulls shell by adjusting block 620 400 opposite shell 500 of body moves, and fulcrum shaft 700 is then made to be slided in tilted slotted hole 521, so as to change using highly for pulley. Specifically, when adjusting screw 610 drives 400 opposite shell 500 of housing to move right, fulcrum shaft 700 is along oblique on shell 500 Slot 521 is done to be moved obliquely, and 400 opposite shell 500 of housing rises.When adjusting screw 610 drives 400 opposite shell of housing 500 to left movement when, fulcrum shaft 700 does along the tilted slotted hole 521 on shell 500 and moves obliquely, 400 opposite shell 500 of housing Decline.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims

1. a kind of three pulleys, which is characterized in that including idler wheel, for install the idler wheel and linear interval it is hinged two A swing hinge and a balance hinge and the housing for accommodating the swing hinge and the balance hinge, the balance hinge Chain link is between two swing hinges；

It is provided on the swing hinge for first hinge hole hinged with the balance hinge, for installing the idler wheel First mounting hole and between first hinge hole and first mounting hole and for branch with the housing hinge Hole is supportted, the fulcrum shaft being connect with the housing is equipped in the supported hole；

The balance hinge both ends are respectively arranged with the second hinge hole corresponding with first hinge hole and positioned at two institutes The second mounting hole between the second hinge hole is stated, the balance shaft for installing the idler wheel is equipped in second mounting hole；

Wherein, first hinge hole being hinged and the second hinge hole are at least one for strip type hole；

Two fulcrum holes corresponding with the supported hole are provided on the housing and between two fulcrum holes Vertically arranged guide frame；The fulcrum shaft is mounted in the fulcrum hole, and the balance shaft is slided with the guide frame Dynamic cooperation；

The guide frame is U type slot or waist type groove.

2. three pulley according to claim 1, which is characterized in that further include the height for controlling the idler wheel relative altitude Regulating device is spent, the height adjustment device includes suit on the housing and carries the shell of tilted slotted hole and be mounted on On the shell and for pushing and pulling the push-pull mechanism that the relatively described shell of the housing slides, the fulcrum shaft and the tilted slotted hole It is slidably matched.

3. three pulley according to claim 2, which is characterized in that the push-pull mechanism includes installing on the housing The adjusting block of adjusting screw and setting on the housing, the adjusting screw are threadedly coupled with the adjusting block.

4. three pulley according to claim 3, which is characterized in that be installed with to install the adjusting spiral shell on the shell The cushion block of nail is provided with the sliding slot being slidably matched with the adjusting block on the housing.

5. three pulley according to claim 1, which is characterized in that described first on the same swing hinge is hinged The center in hole, the first mounting hole and supported hole is not on same straight line.

6. three pulley according to claim 1, which is characterized in that second hinge hole be strip type hole, the strip Type hole is waist-shaped hole or oval arc shaped hole；First hinge hole is circular hole.

7. three pulley according to claim 1, which is characterized in that

The swing hinge includes two first side plates that are parallel and being oppositely arranged and connects the connection of two first side plates Plate, first hinge hole, the first mounting hole and supported hole are correspondingly arranged at respectively on two first side plates；

The balance hinge includes two second side plates that are parallel and being oppositely arranged, and second side plate includes two hinges positioned at both ends Socket part and the lug boss being connected between two articulated sections, second hinge hole is arranged on the articulated section, described Second mounting hole is arranged on the lug boss.

8. three pulley according to claim 2, which is characterized in that the housing and the shell be both ends open-ended and The rectangular parallelepiped structure being open on one side.