CN201241548Y

CN201241548Y - Multi-direction pulley wheel apparatus suitable for pull folding door

Info

Publication number: CN201241548Y
Application number: CNU2008203015174U
Authority: CN
Inventors: 詹惇昇
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-16
Filing date: 2008-07-16
Publication date: 2009-05-20
Anticipated expiration: 2018-07-16

Abstract

A multidirectional pulley gear which is adapted to sliding folding doors comprises a fixing seat and a plurality of pulley components, the fixing seat body is provided with a plurality of assembling holes, a ring-shaped flange is formed in each assembling holes to divide the assembling hole into an upper containing groove and a lower containing groove, the pulley components are respectively arranged in the assembling holes, each pulley component respectively comprises a pulley seat, an inner bearing, an outer bearing and a pulley, the pulley seat is provided with a shaft lever penetrating through the assembling hole, the inner bearing is arranged in the upper containing groove, and comprises a plurality of roll balls and a roll ball locating cover, the roll balls are arranged in a ring-shaped groove in rolling type, the roll ball locating cover penetrates on the shaft lever and covers the roll balls, thereby preventing the roll balls separating from the ring-shaped groove, the outer bearing penetrates on the shaft lever and is located in the upper containing groove, and the pulley components are arranged on the bottom surface of the pulley seat in a perpendicular rotating type, thereby enabling the pulley components to stably bear the pulley seat, and enabling the pulley seat to stably rotate to lead the pulley gear to move on a hanging railway of a sliding folding door smoothly along multiple directions.

Description

Be applicable to the Multi-direction pulley wheel device that pulls off door

Technical field:

The utility model relates to a kind of pulley gear, refers to a kind of Multi-direction pulley wheel device that pulls off door that is applicable to especially, and it drags pulley base with stable the holding of bearing, makes pulley base can stablize rotation and pulley gear can be moved on the suspention track that pulls off door along a plurality of directions swimmingly.

Background technology:

Pull off door and be applied to the interior space is further separated, for example, in the medical care ward with pull off to adjacent beds make space region every.The early stage being seen door that pulls off, and can't in response to multiaspect to space region every, promptly be, this kind pull off the door only can do linear stretching, extension or contraction along single direction, this pulls off all pulley mechanisms of door and can't especially can't slide especially in right-angle type turnover track in turnover.Therefore, as desire to pull off door and enclose and constitute an independently space with this kind, then need pull off a combination and begin to enclose into the space by many groups orthoscopic, but since this sheet pull off door and other sheet pull off engaging partly of door can't driving fit even form suitable space, thereby make this space privacy lose.

In order to pull off the defective of door in response to aforementioned orthoscopic, someone develops and a kind of can be in the suspention rail groove of turnover movable wheel seat, for can be in the rail groove wheel seat of rotational slip, this kind wheel seat is owing to can do turnover, so can a slice pull off the required partition wall of a mat turning and circle formation space, yet the shortcoming of this kind wheel seat is to have square, and the pulley of collocation fixed angle, therefore this wheel seat only can be played effectiveness in the turning point, right angle, once suspention rail groove is the turnover of non-perpendicular type, this wheel seat is promptly in stays.

The utility model content:

Technical problem to be solved in the utility model is: can't the right angle turnover or pull off the shortcoming that the roller of trolley seat can't rotate arbitrarily at the above-mentioned existing door that pulls off, a kind of Multi-direction pulley wheel device that pulls off door that is applicable to is provided, it drags pulley base with stable the holding of bearing, makes pulley base can stablize rotation and pulley gear can be moved on the suspention track that pulls off door along a plurality of directions swimmingly.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of Multi-direction pulley wheel device that pulls off door that is applicable to, it includes a holder and number pulley assembly, be characterized in: described holder includes a body, a loam cake and a connecting rod, this body is formed with several pilot holes by head-to-foot running through, radially be formed with an annular flange in each pilot hole, it is a upper containing groove and a bottom volumetric groove that this annular flange separates pilot hole, this loam cake is arranged on the body end face, and this connecting rod is arranged on the body and by the body bottom and stretches out; This is counted in the pilot hole that pulley assembly is separately positioned on the holder body, each pulley assembly includes a pulley base respectively, one inner bearing, one outer bearing and a spherical outside surface ball bearing, this pulley base is arranged in the bottom volumetric groove of pilot hole of body with horizontally rotating, against annular flange, be formed with the axostylus axostyle that passes annular flange and penetrate upper containing groove in the projection of pulley base end face, radially inwardly be formed with an annular ditch on the axostylus axostyle, this inner bearing is arranged in the upper containing groove, and include several balls and ball location lid, ball rollably is arranged in the annular ditch, ball location lid is set on the axostylus axostyle and the shielding ball, make ball must not break away from annular ditch, this outer bearing is set on the axostylus axostyle and is positioned at upper containing groove, is arranged on to this spherical outside surface ball bearing vertical rotation the pulley base bottom surface.

So, stable the holding of inside and outside bearing dragged pulley base, make pulley base can stablize rotation and pulley gear can be swimmingly moved on the suspention track that pulls off door along a plurality of directions, in addition, the ball of inner bearing embeds the annular ditch of pulley base axostylus axostyle, must not break away from annular ditch with ball location lid restriction ball again, by this with the pulley base stable position in pilot hole, therefore, pulley base need not C shape button or other fixture fixes.

Description of drawings:

Fig. 1 is the three-dimensional partial exploded view of the utility model.

Fig. 2 is the utility model three-dimensional exploded view.

Fig. 3 is the utility model side partial sectional view.

Fig. 4 is the three-dimensional enforcement of the utility model state diagram.

Fig. 5 is that state diagram is implemented in the utility model side.

Fig. 6 is that the utility model is looked up the enforcement state diagram.

Label declaration:

1 holder, 10 bodies, 101 loam cakes

12 pilot holes, 121 upper containing grooves, 122 bottom volumetric grooves

123 annular flange, 15 connecting rods, 151 abutment sleeves

150 stators, 2 pulley assemblies, 20 pulley bases

21 axostylus axostyles, 211 annular ditch, 22 balls

24 outer bearings, 25 wheel shafts are covered in 23 balls location

26 spherical outside surface ball bearings, 27 needle-likes are only piled bearing 28 pads

90 suspention tracks, 91 rail grooves

The specific embodiment:

Please refer to Fig. 1, Fig. 2 and Fig. 4, the utility model is applicable to that the Multi-direction pulley wheel device that pulls off door is slidably to be arranged in the rail groove 91 of a suspention track 90, and includes: a holder 1 and plural pulley assembly 2.

Please with further reference to Fig. 3, this holder 1 includes a body 10, a loam cake 101 and a connecting rod 15.This body 10 is formed with plural pilot hole 12 by head-to-foot running through, and radially being formed with an annular flange 123 in each pilot hole 12 is a upper containing groove 121 and a bottom volumetric groove 122 so that pilot hole 12 is separated.This loam cake 101 is arranged on body 10 end faces, and this connecting rod 15 is arranged on the body 10 and by body 10 bottoms and stretches out, and connecting rod 15 can connect one and pull off door.

This pulley assembly 2 is separately positioned in the pilot hole 12 of holder body 10, and each pulley assembly includes a pulley base 20, an inner bearing, an outer bearing 24 and a spherical outside surface ball bearing 26 respectively.This pulley base 20 is arranged in the bottom volumetric groove 122 of a wherein pilot hole 12 of body 10 can horizontally rotate mode, against annular flange 123, be formed with the axostylus axostyle 21 that passes annular flange 123 and penetrate upper containing groove 121 in pulley base 20 end face projections, radially inwardly be formed with an annular ditch 211 on the axostylus axostyle 21.This inner bearing is arranged in the upper containing groove 121, and include a plural ball 22 and ball location and cover 23, ball is arranged in the annular ditch 211 with roll mode, the ball location is covered 23 and is set on the axostylus axostyle 21 and shielding ball 22, make ball 22 must not break away from annular ditch 211, therefore, during assembling pulley base 20 central points more precision is accurate and smooth and easy.This outer bearing 24 is set on the axostylus axostyle 21 and is positioned at upper containing groove 121.This spherical outside surface ball bearing 26 is called pulley again, can see through a wheel shaft 25 and be arranged on pulley base 20 bottom surfaces in vertically rotating mode, spherical outside surface ball bearing 26 contact surfaces are for a bit, so friction area is little, and then the noise that is produced when sliding is less, also makes the sympathetic response sound in the track less.In addition, a needle-like be can be coated with on the axostylus axostyle 21 and a bearing 27 and a pad 28 only piled.Needle-like is only piled bearing 27 contact surfaces and is had linear structure, so load and contact area increase and then make the smooth and easy mechanics key element that steadily meets of sliding.

Preferable, being formed with a centre bore 13 by head-to-foot running through on the body 10 of this holder, aforementioned pilot hole 12 is arranged in ring-type and is centered around centre bore 13 peripheries.

Preferable, the ball location of each pulley assembly is covered 23 bottom surfaces and is formed with a room 231 to hold ball.

Preferable, the ball location of each pulley assembly is covered to run through on 23 and is formed with an axis hole 230 and passes for axostylus axostyle 21, runs through on the outer bearing 24 to be formed with an axis hole 240 and to pass for axostylus axostyle 21.

Preferable, these connecting rod 15 tops are formed with a stator 150 to be resisted against body 10 inwalls.

Preferable, this connecting rod 15 is a screw rod, and the part screw lock that stretches out body 10 bottom surfaces at screw rod has a location sleeve 151, and abutment sleeve 151 is tight against body 10 bottom surfaces and rocks to avoid connecting rod 15.

By above-mentioned technological means, inner bearing and outer bearing 24 stable holding are dragged pulley base 20, make pulley base 20 can stablize rotation and pulley gear can be swimmingly be moved in multidirectional mode on the suspention track 90 that pulls off door along a plurality of directions, also can pass through this corner smoothly when meeting with suspention track 90 corners, as Fig. 5 and shown in Figure 6, in addition, the ball 22 of inner bearing embeds the annular ditch 211 of the axostylus axostyle 21 of pulley base, cover 23 restriction balls 22 with the ball location again and must not break away from annular ditch 211, by this with pulley base 20 stable position in pilot hole 12, therefore, pulley base 20 need not C shape button or other fixture fixes, can reduce the assembling complexity, strengthen assembling intensity, and reduce cost.

Claims

[claim 1] a kind of Multi-direction pulley wheel device that pulls off door that is applicable to, it includes a holder and number pulley assembly, it is characterized in that:

Described holder comprises a body, a loam cake and a connecting rod, this body is formed with several pilot holes by head-to-foot running through, radially be formed with an annular flange in each pilot hole, it is a upper containing groove and a bottom volumetric groove that this annular flange separates pilot hole, this loam cake is arranged on the body end face, and this connecting rod is arranged on the body and by the body bottom and stretches out;

This is counted in the pilot hole that pulley assembly is separately positioned on the holder body, each pulley assembly includes a pulley base respectively, one inner bearing, one outer bearing and a spherical outside surface ball bearing, this pulley base is arranged in the bottom volumetric groove of pilot hole of body with horizontally rotating, against annular flange, be formed with the axostylus axostyle that passes annular flange and penetrate upper containing groove in the projection of pulley base end face, radially inwardly be formed with an annular ditch on the axostylus axostyle, this inner bearing is arranged in the upper containing groove, and include several balls and ball location lid, ball rollably is arranged in the annular ditch, ball location lid is set on the axostylus axostyle and the shielding ball, make ball must not break away from annular ditch, this outer bearing is set on the axostylus axostyle and is positioned at upper containing groove, is arranged on to this spherical outside surface ball bearing vertical rotation the pulley base bottom surface.
[claim 2] Multi-direction pulley wheel device that pulls off door that is applicable to as claimed in claim 1, it is characterized in that: be formed with a centre bore by head-to-foot running through on the described holder seat body, described pilot hole is arranged in ring-type and is centered around the centre bore periphery.
[claim 3] Multi-direction pulley wheel device that pulls off door that is applicable to as claimed in claim 2 is characterized in that: the ball location of described each pulley assembly is covered the bottom surface and is formed with the room that holds ball.
[claim 4] Multi-direction pulley wheel device that pulls off door that is applicable to as claimed in claim 3, it is characterized in that: the ball location of described each pulley assembly covers to run through and is formed with an axis hole that supplies axostylus axostyle to pass, and also runs through on the outer bearing to be formed with an axis hole that supplies axostylus axostyle to pass.
[claim 5] Multi-direction pulley wheel device that pulls off door that is applicable to as claimed in claim 4, it is characterized in that: described connecting rod top is formed with a stator, and this stator is resisted against inner body wall.
[claim 6] Multi-direction pulley wheel device that pulls off door that is applicable to as claimed in claim 5, it is characterized in that: described connecting rod is a screw rod, the part screw lock that stretches out the body bottom surface at screw rod has a location sleeve.