CN207453723U - Pulley gear and door and window - Google Patents

Abstract

The utility model is related to a kind of pulley gear and door and windows,The pulley gear includes shell,Inner casing,The pulley being installed in inner casing,Adjusting rod and matable assembly,Inner casing, which is contained in shell and is reserved between shell, adjusts gap,Adjusting rod is rotatablely arranged on shell,And stretch into inner casing along vertical sliding wheel axis direction,On inner casing sliding groove is offered along the direction of vertical adjusting bar and pulley axis,Matable assembly is arranged on inner casing and the threaded one end of inner casing is stretched into adjusting rod and is connected,When adjusting rod rotates inner casing is driven to be moved along adjusting rod axis direction,Inner casing can also be moved by sliding groove relative engagement component along vertical adjusting rod axis direction,And it is made of plastics at the cooperation of matable assembly slip opposite with inner casing,With reduce inner casing along matable assembly slide when frictional force,When inner casing being avoided to be slided along the direction of sliding groove matable assembly is driven to move,And then it avoids that the adjusting rod being connected with matable assembly and inner casing is driven to tilt.

Description

Pulley gear and door and window

Technical field

The utility model is related to door and window accessory, more particularly to pulley gear and door and window.

Background technology

With the differentiation of sliding door and window, sliding door and window is more and more widely used, and is consequently also to bring to be used for Realize the continuous improvement of the pulley gear performance requirement of the smooth push-and-pull of door and window.

In the extensive use of sliding door and window, most of sliding door and window uses the adjustable pulley gear of double-layer structure, Most of adjustable pulley gear of used double-layer structure drives nut to move by screw, and then drives and supported with nut The inner casing movement connect, to adjust arranged on the position of inner casing top sheave, and offers inclination on one of inner casing and shell Guide groove, in another one fixed setting be arranged in the guide part in guide groove, inner casing can be turned along the movement of screw axial Change the movement for generating short transverse, and then can be with the height of adjustable pulley, but inner casing and nut are all metalworks, between rub The nut movement that power is larger, can be abutted when inner casing adjusts height by frictional force drive with it is wiped, in turn results in and nut connects The screw and inner casing connect tilts, and screw is easily stuck, and inner casing and the pulley in inner casing is easily made to be in non-equilibrium state, into And overall flexibility can be deteriorated during causing pulley use.

Utility model content

Based on this, it is necessary to the preferable pulley gear of flexible performance during use.

It there is a need to and a kind of door and window with the pulley gear is provided.

A kind of pulley gear, including shell, inner casing, the pulley being axially installed in the inner casing, adjusting rod and cooperation Component, the inner casing, which is contained in the shell and is reserved between the shell, adjusts gap, and the adjusting rod is rotatable Ground is arranged on the shell, and stretches into the inner casing along the vertical pulley axis direction, along vertical described on the inner casing The direction of adjusting rod and the pulley axis offers sliding groove, the matable assembly be arranged on the inner casing and with the tune Pole stretches into the threaded one end connection of the inner casing, and the inner casing is driven when the adjusting rod rotates along the adjusting rod axis Direction is moved, and the inner casing can also be moved by the relatively described matable assembly of the sliding groove along the vertical adjusting rod axis direction It is dynamic, and be made of plastics at the cooperation of matable assembly slip opposite with the inner casing.

Pulley in above-mentioned pulley gear is installed in inner casing to drive the slips such as door leaf, is reserved between shell and inner casing Gap is adjusted, inner casing opposite shell is allowed to move, one end of adjusting rod is set on the shell and can be rotated with opposite shell, is adjusted The other end of pole is stretched into along vertical sliding wheel axial direction in inner casing, and the matable assembly on inner casing is with stretching into inner casing Adjusting rod be threadedly coupled, so outside shell rotate adjusting rod when, matable assembly and inner casing can be driven along adjusting rod Axial movement；And sliding groove is opened up along the direction of vertical adjusting bar and pulley axis on inner casing, inner casing can be combined by matching somebody with somebody Part drive along adjusting rod move axially while, can also pass through sliding groove relative engagement component along vertical adjusting bar direction move It is dynamic, and be made of plastics at the cooperation of matable assembly slip opposite with inner casing, with reduce inner casing along matable assembly slide when Frictional force, prevent inner casing by sliding groove along matable assembly slide when and matable assembly between frictional force it is excessive, avoid inner casing When being slided along the direction of sliding groove matable assembly is driven to move, and then avoid driving the adjusting rod and inner casing being connected with matable assembly It tilts, improves the flexibility that inner casing relative engagement component is slided by sliding groove, ensure to be arranged on the balance of pulley in inner casing, together The flexibility that Shi Tigao pulley positions are adjusted and used improves actual life.

In one of the embodiments, guide groove is offered on one of the shell and the inner casing, wherein another The guide part being slideably arranged in the guide groove is fixed on person, the inner casing is driven along institute in the adjusting rod structure The axial movement for adjusting rod structure is stated, and when the guide part is contacted with the guide groove portion, the inner casing while along vertical The adjusting rod structure axially direction movement.

In one of the embodiments, the adjusting rod structure includes adjusting rod and matable assembly, and the inner casing includes phase To spaced two side and the connection wall being connected between two side, the side wall inner surfaces, which protrude above, is provided with /V The inner casing is stretched into portion, one end of the adjusting rod through the shell and the connection wall, and the matable assembly is sheathed on institute It states adjusting rod to stretch into outside one end of the inner casing and be threadedly coupled with the adjusting rod, and is connected to the limiting section and the company Between connecing wall, and the matable assembly along the direction of the vertical adjusting rod with the connection wall is movable abuts.

In one of the embodiments, the matable assembly includes the adjusting block and the slip that are sheathed on outside the adjusting rod Guide part, the adjusting block are threadedly coupled with the adjusting rod, are opened up in the connection wall along the direction of the vertical adjusting rod There is sliding groove, the sliding guide piece is slideably contained in the sliding groove and is connected to the connection wall and the adjusting Between block.

In one of the embodiments, the slip that the sliding guide piece includes body and protrudes on the body is led To portion, the body is sheathed on the mounting hole that connects, the mounting hole is offered in the slide guide portion outside adjusting rod, institute It states body to keep out in outside the sliding groove and between the connection wall and the adjusting block, the slide guide portion is slidably Ground is arranged in the sliding groove, and the one end of the slide guide portion away from the body is stretched out the sliding groove and set.

In one of the embodiments, the slide guide portion includes the arc arms being arranged concentrically with the mounting hole, institute State arc arms protrude the body and with its stepped setting.

In one of the embodiments, the body towards in the one side of the adjusting block along the side of the parallel sliding groove To being provided with, opposite first is buckled and the second buckle, second buckle can be movable and multiple to the direction away from the limiting section Position, with allow the adjusting block slip into it is described first buckle it is described second buckle between and be connected to the limiting section with it is described Between sliding guide piece.

In one of the embodiments, which is characterized in that the sliding guide piece is plastic part.

In one of the embodiments, the adjusting block is nut.

A kind of door and window, including framework, fan body and above-mentioned pulley gear, the pulley gear be arranged on the fan body and with institute Framework is stated to be slidably connected.

Description of the drawings

Fig. 1 is the decomposition diagram of one embodiment middle pulley device of the utility model；

Fig. 2 is the structure diagram of pulley gear shown in Fig. 1；

Fig. 3 is the structure diagram of sliding guide piece in pulley gear shown in Fig. 1.

Specific embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model Open the understanding more thorough and comprehensive of content.

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.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more relevant Listed Items.

As shown in Figs. 1-2, one embodiment middle pulley device 100 of the utility model includes shell 10, inner casing 30, pacifies vertically Loaded on pulley 50, adjusting rod 70 and the matable assembly 90 in inner casing 30, inner casing 30 is contained in shell 10 and between shell 10 It is reserved with and adjusts gap, adjusting rod 70 is rotatablely arranged on shell 10, and stretches into inner casing along 50 axial direction of vertical sliding wheel 30, sliding groove 31 is offered along the direction of 50 axis of vertical adjusting bar 70 and pulley on inner casing 30, in matable assembly 90 is arranged at The threaded one end that inner casing 30 is stretched on shell 30 and with adjusting rod 70 is connected, and inner casing 30 is driven when adjusting rod 70 rotates along adjusting rod 70 axis directions move, and inner casing 30 can also be moved by 31 relative engagement component 90 of sliding groove along 70 axial direction of vertical adjusting bar It is dynamic, and matable assembly 90 at the cooperation slip of inner casing 30 with being made of plastics.

Pulley 50 in above-mentioned pulley gear 100 is installed in inner casing 30 to drive the slips such as door leaf, shell 10 and inner casing It is reserved between 30 and adjusts gap, 30 opposite shell 10 of inner casing is allowed to move, one end of adjusting rod 70 is arranged on shell 10 simultaneously And can be rotated with opposite shell 10, the other end of adjusting rod 70 is stretched into along 50 axial direction of vertical sliding wheel in inner casing 30, and is set It is threadedly coupled in the matable assembly 90 on inner casing 30 with the adjusting rod 70 stretched into inner casing 30, rotates and adjust so outside shell 10 During bar 70, the axial movement of matable assembly 90 and inner casing 30 along adjusting rod 70 can be driven；And it is adjusted on inner casing 30 along vertical The direction of 50 axis of pole 70 and pulley opens up sliding groove 31, and inner casing 30 can be driven by matable assembly 90 along 70 axis of adjusting rod To while movement, it can also be moved, and coordinated along the direction of vertical adjusting bar 70 by 31 relative engagement component 90 of sliding groove Be made of plastics at the opposite cooperation slided of component 90 and inner casing 30, with reduce inner casing 30 along matable assembly 90 slide when friction Power, prevent inner casing 30 by sliding groove 31 along matable assembly 90 slide when and matable assembly 90 between frictional force it is excessive, avoid Inner casing 30 drives matable assembly 90 to move when being slided along the direction of sliding groove 31, and then avoids driving what is be connected with matable assembly 90 Adjusting rod 70 and inner casing 30 tilt, and improve the flexibility that 30 relative engagement component 90 of inner casing is slided by sliding groove 31, ensure to set In the balance of pulley 50 in inner casing 30, while the flexibility that 50 position of pulley adjusts and uses is improved, improve the actual use longevity Life.

In one embodiment, guide groove 12 is offered on one of shell 10 and inner casing 30, it is solid wherein in another one Surely there is the guide part 40 being slideably arranged in guide groove 12, and guide groove 12 is arranged at 30 vertical sliding wheel of shell 10 or inner casing In the plane of 50 axis and relative adjustment bar 70 is obliquely installed, and guide part 40 is set along the direction of parallel 50 axis of pulley, so Driven when rotating adjusting rod 70 matable assembly 90 and inner casing 30 along adjusting rod 70 axial movement while, pass through guide part 40 With the cooperation of guide groove 12, also inner casing 30 can be driven to be moved along the direction of vertical adjusting bar 70, adjusting rod 70 is driven into inner casing 30 The conversion of motion of the single direction of generation is the movement of 50 rotating direction of pulley and short transverse both direction, in practical applications It can be with height of the adjustable pulley 50 with respect to ground.

Specifically, the quantity of pulley 50 is arranged to multiple, and the axis of multiple pulleys 50 is arranged in parallel, and so improves what is slided Flexibility.

In one embodiment, inner casing 30 includes the two side 32 of relative spacing setting and is connected between two side 32 Connection wall 34,32 inner surface of side wall, which protrudes above, is provided with limiting section 321, and sliding groove 31, adjusting rod 70 are offered in connection wall 34 One end stretched into through shell 10 by sliding groove 31 in inner casing 30, one end of matable assembly 90 is slideably contained in sliding groove 31 Interior, the other end of matable assembly 90 is connected to limiting section 321 between connection wall 34, so rotate adjusting rod 70 when drive and its The matable assembly 90 of threaded connection moves along its axis, while matable assembly 90 is connected to limiting section along the axial direction of adjusting rod 70 Between 321 and connection wall 34, the inner casing abutted with it 30 can be driven to move, and one end of matable assembly 90 slideably accommodates In in sliding groove 31, apply active force thus by the abutting of matable assembly 90 and inner casing 30, allow inner casing 30 along adjusting rod While 70 axial direction and the movement of its vertical axially direction, matable assembly 90 can also with inner casing 30 along vertical adjusting bar 70 and 50 axis of pulley direction activity set, inner casing 30 can by sliding groove 31 along matable assembly 90 one end slide, into without The position of adjusting rod 70 is influenced, adjusting rod 70 can keep horizontal in use, will not tilt.

Further, matable assembly 90 includes the adjusting block 92 and sliding guide piece 94 that are sheathed on outside adjusting rod 70, adjusts Locking nub 92 is threadedly coupled with adjusting rod 70, offers sliding groove 31 along the direction of vertical adjusting bar 70 in connection wall 34, slip is led It is slideably contained in sliding groove 31 and is connected between connection wall 34 and adjusting block 92 to part 94.Tune in matable assembly 90 Locking nub 92 is threadedly coupled with adjusting rod 70, the sliding guide piece abutted with it 94 and inner casing 30 can be driven to move, sliding guide piece 94 are sheathed on outside adjusting rod 70, and inner casing 30 can be moved by sliding groove 31 along sliding guide piece 94 to the direction of vertical adjusting bar 70 It is dynamic, the position of adjusting rod 70 is not interfered with, prevents adjusting rod 70 from tilting, while improves the flexibility of adjusting.Meanwhile slide-and-guide Part 94 is connected between inner casing 30 and adjusting block 92, avoids the friction of adjusting block 92 and inner casing 30.

Further, as Figure 2-3, sliding guide piece 94 includes the slip of body 941 and protrusion on body 941 The mounting hole 945 connected is offered in guide part 943, body 941 and slide guide portion 943, mounting hole 945 is sheathed on adjusting rod Outside 70, so sliding guide piece 94 is sheathed on by mounting hole 945 outside adjusting rod 70, body 941 is kept out in outside sliding groove 31 And be connected between connection wall 34 and adjusting block 92, slide guide portion 943 is slideably arranged in sliding groove 31, and is slided and led Sliding groove 31 is stretched out to the one end of portion 943 away from body 941 to set, inner casing 30 is slided by sliding groove 31 along slide guide portion 943 It is dynamic, and during inner casing 30 is close to the movement of shell 10, slide guide portion 943 stretches out one end of sliding groove 31 in inner casing 30 It is first abutted before being abutted completely with shell 10 with shell 10, avoids inner casing 30 that from can not being moved after directly being abutted with the face of shell 10, prevented Only inner casing 30 is stuck.It is to be appreciated that in some other embodiment, one of sliding guide piece 94 and adjusting block 92 or two The screw thread coordinated with adjusting rod 70 is set on person, and sliding guide piece 94 and adjusting block 92 can also be wholely set, not limit herein.

Specifically, slide guide portion 943 includes the arc arms being arranged concentrically with mounting hole 945, arc arms protrusion body 941 And with its stepped setting, the slide guide portion 943 of circular arc arm is more adapted to the shape of sliding groove 31, is more convenient for sliding, Sliding guide piece 94 can be limited in sliding groove by stair-stepping setting, will not be dropped easily.

In one embodiment, the one side of body 941 towards adjusting block 92 is provided with phase along the direction of parallel sliding slot 31 To first buckle 947 and second buckle 949, second buckle 949 can to away from limiting section 321 direction activity and reset, with Adjusting block 92 is allowed to slip between the first buckle 947 and the second buckle 949 and be connected to limiting section 321 and sliding guide piece 94 it Between, accommodate adjusting rod 741, after adjusting rod 70 drops, 741 quilt of adjusting rod thus by the first buckle 947 and the second buckle 949 It is limited between limiting section 321 and sliding guide piece 94 and the first buckle 947 and second is buckled between 949, will not fall easily Fall, assembling easy to repair.Optionally, the first buckle 947 is abutted with one end of adjusting block 92.

Optionally, above-mentioned sliding guide piece 94 is plastic part, and wearability is preferable, improves service life；Above-mentioned adjusting block 92 For nut, interchangeability is good, convenient for assembling.

Based on above-mentioned pulley gear 100, the utility model also provides a kind of door and window, the door and window include framework, fan body and on Pulley gear 100 is stated, pulley gear 100 is arranged on fan body and is slidably connected with framework, and fan body slides flexible, height of pulley adjusting It is convenient.

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, the scope that this specification is recorded all is considered to be.

Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of pulley gear, which is characterized in that including shell, inner casing, the pulley being axially installed in the inner casing, adjusting Bar and matable assembly, the inner casing, which is contained in the shell and is reserved between the shell, adjusts gap, the adjusting Bar is rotatablely arranged on the shell, and stretches into the inner casing along the vertical pulley axis direction, edge on the inner casing The direction of the vertical adjusting rod and the pulley axis offers sliding groove, and the matable assembly is arranged on the inner casing simultaneously The threaded one end that the inner casing is stretched into the adjusting rod is connected, and the inner casing is driven when the adjusting rod rotates along the tune Pole axis direction moves, and the inner casing can also pass through the vertical adjusting rod axis in the relatively described matable assembly edge of the sliding groove Line direction is moved, and is made of plastics at the cooperation of matable assembly slip opposite with the inner casing.

2. pulley gear according to claim 1, which is characterized in that the inner casing includes the two side that relative spacing is set And the connection wall between two side is connected to, the side wall inner surfaces, which protrude above, is provided with limiting section, is opened up in the connection wall There is a sliding groove, the inner casing is stretched into one end of the adjusting rod through the shell by the sliding groove, described with being combined One end of part is slideably contained in the sliding groove, the other end of the matable assembly be connected to the limiting section with it is described Between connection wall.

3. pulley gear according to claim 2, which is characterized in that the matable assembly includes being sheathed on the adjusting Adjusting block and sliding guide piece outside bar, the adjusting block are threadedly coupled with the adjusting rod and can be abutted with the limiting section, The sliding guide piece is slideably contained in the sliding groove and is connected between the connection wall and the adjusting block.

4. pulley gear according to claim 3, which is characterized in that the sliding guide piece includes body and protrusion is arranged on The mounting hole connected, the installation are offered in slide guide portion on the body, the body and the slide guide portion Hole is sheathed on outside adjusting rod, and the body is kept out in outside the sliding groove and between the connection wall and the adjusting block, The slide guide portion is slideably arranged in the sliding groove, and the one end of the slide guide portion away from the body is stretched Go out the sliding groove to set.

5. pulley gear according to claim 4, which is characterized in that the slide guide portion includes same with the mounting hole The arc arms that the heart is set, the arc arms protrude the body and with its stepped setting.

6. pulley gear according to claim 4, which is characterized in that the body is towards edge in the one side of the adjusting block The direction of the parallel sliding groove is provided with opposite the first buckle and the second buckle, and second buckle can be to away from the limit The direction activity and reset in position portion, the adjusting block to be allowed to slip between first buckle and second buckle and is abutted Between the limiting section and the sliding guide piece.

7. according to the pulley gear described in claim 3-6 any one, which is characterized in that the sliding guide piece is plastics Part.

8. according to the pulley gear described in claim 3-6 any one, which is characterized in that the adjusting block is nut.

9. pulley gear according to claim 1, which is characterized in that opened up on one of the shell and the inner casing There is guide groove, be wherein fixed in another one and be slideably arranged in guide part in the guide groove, and the guide groove is set In in the shell or the inner casing vertically plane of the pulley axis and the axis of relatively described adjusting rod is obliquely installed, institute Guide part is stated to set along the direction of the parallel pulley axis.

10. a kind of door and window, which is characterized in that including framework, fan body and pulley gear described in any one of claim 1-9, The pulley gear is arranged on the fan body and is slidably connected with the framework.