CN209874821U

CN209874821U - Wheel body of door and window pulley and door and window pulley

Info

Publication number: CN209874821U
Application number: CN201920188067.0U
Authority: CN
Inventors: 傅海; 温尚武
Original assignee: Shenzhen Send Intelligent Hardware Technology Co Ltd
Current assignee: SHENZHEN PAISUO INDUSTRIAL Co.,Ltd.
Priority date: 2019-02-02
Filing date: 2019-02-02
Publication date: 2019-12-31
Anticipated expiration: 2029-02-02

Abstract

The utility model is suitable for a door and window accessory technical field discloses a wheel body and door and window pulley of door and window pulley. The wheel body of the door and window pulley comprises a bearing, a rigid ring and a buffer ring arranged between the bearing and the rigid ring, wherein the inner side of the buffer ring is connected to the outer side of the bearing, and the outer side of the buffer ring is connected to the inner side of the rigid ring. The door and window pulley comprises a base and a connecting shaft and further comprises the wheel body, and the connecting shaft penetrates through a bearing of the wheel body and is connected with the base. The utility model provides a wheel body and door and window pulley of door and window pulley, its wheel body is through adopting the rigidity ring and set up the buffering ring between rigidity ring and bearing, even its door and window is using for a long time, under the long-time not gliding condition, still can slide smoothly and smoothly, no retardation, no abnormal sound, use experience well, can solve current plastic pulley and easily receive the pressure whole body and warp or produce local indentation, the metal pulley is with high costs, after warping defect such as unrecoverable, the noise is big.

Description

Wheel body of door and window pulley and door and window pulley

Technical Field

The utility model belongs to the technical field of the door and window accessory, especially, relate to a wheel body and door and window pulley of door and window pulley.

Background

A door and window pulley is arranged between the pull door and window frames to reduce resistance and facilitate pushing and pulling. The conventional door and window pulleys comprise plastic pulleys and metal pulleys. The plastic pulley consists of a bearing and a plastic outer ring coated outside the bearing, the bearing performance of the plastic pulley is poor, and particularly under the condition of long-time static bearing, the plastic outer ring is easy to be pressed to deform integrally or generate local indentation, so that the door and window cannot slide smoothly, jump and abnormal sound are caused. The metal pulley is composed of a bearing and a metal outer ring outside the bearing, although the metal pulley is not easy to generate indentation, the metal pulley cannot be recovered after being integrally deformed, the cost is high, and the metal outer ring is rubbed with a track of a door and window frame in the moving process of the metal pulley, so that the noise is large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a wheel body and door and window pulley of door and window pulley, it can solve current plastic pulley and easily receive the pressure whole and warp or produce local indentation, and the metal pulley is with high costs, after warping can not resume, defect such as big in noise.

The technical scheme of the utility model is that: the utility model provides a wheel body of door and window pulley, includes bearing, cushion ring and can with the rigid ring of guide rail contact, the inboard of cushion ring connect in the outside of bearing, rigid ring with by between the outside of bearing the cushion ring separates, rigid ring cover in cushion ring and/or the part of rigid ring inlay in inside the cushion ring.

Specifically, the periphery of cushion ring is provided with the guide rail groove, the rigidity ring sets up in the bottom in guide rail groove, just the both ends of rigidity ring inlay in the cushion ring.

Specifically, the surface of the rigid ring, which is positioned outside the buffer ring, is in a concave arc shape.

Specifically, the periphery of buffer ring is provided with the guide rail groove, the rigidity ring be provided with at least two and overlap respectively in the region outside the guide rail groove on the buffer ring.

Specifically, the buffer ring is a rubber ring or a plastic ring; and/or the buffer ring is flush with or protrudes out of the rigid ring at two ends of the rigid ring.

Specifically, a first anti-falling limiting structure is arranged between the buffer ring and the bearing.

Specifically, a second anti-falling limiting structure is arranged between the buffer ring and the rigid ring.

Specifically, the rigid ring comprises a rigid ring body and a silencing layer arranged on the outer side surface of the rigid ring body, and the silencing layer is wholly or partially arranged on the outer side surface of the rigid ring body.

Specifically, the silencing layer is formed independently or integrally with the cushion ring.

Specifically, the outside of rigidity ring is close to guide rail groove both sides department and is provided with the holding tank, the material of cushion ring fill extremely in the holding tank.

The utility model provides a wheel body and door and window pulley of door and window pulley, it through set up the bearing and can with the track contact prevent deformation rigidity ring, the rigidity ring of preventing deformation is with the help of the rigidity of self, can effectually avoid the production of indentation, the pulley is also more difficult by pressure deformation, and pack the injection molding in the bearing and prevent deformation between the rigidity ring, the transmission that the pressure that receives can be fine when not only making the deformation rigidity ring bearing of preventing deformation gives the outside elastic support of deformation rigidity ring with the help of the elasticity of injection molding (cushion ring) itself, make the slight back retrieval that warp of deformation rigidity ring of preventing deformation. Set up the track groove in injection molding body (cushion ring) periphery to the rigidity ring that will preapres for an unfavorable turn of events shape locates track tank bottom, makes the pulley when moving on the track, and bearing capacity direct action preapres for an unfavorable turn of events shape rigidity ring, and the friction between pulley and the track then takes place between the orbital lateral wall face of injection molding body in the track, and even its door and window is using for a long time, under the long-time not gliding condition, still can slide smoothly, no retardation feel, no abnormal sound, use experience is good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic plan view of a pulley body of a door/window pulley according to an embodiment of the present invention;

fig. 2 is a schematic plan view of a pulley body of a door/window pulley according to an embodiment of the present invention;

fig. 3 is a schematic plan view of a pulley body of a door/window pulley according to an embodiment of the present invention;

fig. 4 is a schematic plan view of a rigid ring (provided with a through hole) in a pulley body of a door/window pulley according to an embodiment of the present invention;

fig. 5 is a schematic plan view of a pulley body of a door/window pulley according to a second embodiment of the present invention;

fig. 6 is a schematic perspective view of a door/window pulley provided in the second embodiment of the present invention;

fig. 7 is a schematic perspective view of a door/window pulley provided in the second embodiment of the present invention;

fig. 8 is a schematic plan view of a pulley for doors and windows provided in the second embodiment of the present invention;

fig. 9 is a schematic cross-sectional view of a pulley for doors and windows according to an embodiment of the present invention;

fig. 10 is a schematic view illustrating a force analysis of a rigid ring in a pulley for doors and windows according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

The first embodiment is as follows:

as shown in fig. 1 to 4, a wheel body 10 of a door and window pulley provided by an embodiment of the present invention includes a bearing 11, a cushion ring 12 and a rigid ring 13 capable of contacting with a guide rail, the inner side of the buffer ring 12 is connected to the outer side of the bearing 11, the rigid ring 13 is separated from the outer side of the bearing 11 by the buffer ring 12, i.e. the rigid ring 13 is not in direct contact with the bearing 11, the rigid ring 13 is sleeved on the buffer ring 12, and/or a part of the rigid ring 13 is embedded in the buffer ring 12, that is, the rigid ring 13 can be entirely sleeved outside the cushion ring 12, the rigid ring 13 can also be partially exposed, the exposed part of the rigid ring 13 can be used for contacting with the guide rail, the part of the rigid ring 13 can be embedded in the cushion ring 12, this can be more advantageous for the cushion ring 12 to disperse the load of the rigid ring 13, and is more advantageous for improving the reliability and reducing abnormal noise. The rigid ring 13 can effectively prevent the wheel body 10 from being deformed due to compression, the buffer ring 12 can play a role in buffering and muting, even if the door and window is used for a long time and does not slide for a long time, the wheel body 10 can still slide smoothly, without hysteresis or abnormal sound, in the embodiment, the rigid ring 13 can be partially exposed, the exposed part of the rigid ring 13 can be used for being in contact with the guide rail, and two ends of the rigid ring 13 are embedded in the buffer ring 12.

Specifically, the surface of the rigid ring 13 outside the cushion ring 12 is concavely curved to match the surface of the guide rail, which is generally curved or semicircular in shape. In this embodiment, the exposed surface of the rigid ring 13 is flush with the guide rail groove 121 of the buffer ring 12, and in the schematic cross-sectional view, the exposed surface of the rigid ring 13 and the surface of the guide rail groove 121 are in the same arc segment.

Specifically, the rigid ring 13 has the characteristics of deformation resistance and wear resistance, and can be a metal ring, a ceramic ring or a composite material ring.

In a specific application, the outer side of the rigid ring 13 is close to both sides of the guide rail groove 121, and the accommodating groove 130 is provided, and the material of the buffer ring 12 can be filled into the accommodating groove 130, so that the part 120 of the buffer ring 12 at both sides of the guide rail groove 121 is not easy to generate phenomena such as curling, and the reliability and durability of the product are better.

The cross section of the receiving groove 130 may be V-shaped, trapezoidal, rectangular, semicircular, etc.

Specifically, as shown in fig. 4, a plurality of through holes 130 uniformly distributed along the circumferential direction may be selectively formed on the exposed surface of the rigid ring 13, the through holes 130 may be circular, the material of the cushion ring 12 may be filled in the through holes 130, and the connection reliability between the rigid ring 13 and the cushion ring 12 is better. The part of the buffer ring 12 filled in the through hole 130 can be flush with or protrude out of the exposed surface of the rigid ring 13, so that the noise is further reduced and the reliability is improved on the premise of ensuring the structural strength. Of course, the through hole 130 may not be provided in the rigid ring 13.

In a particular application, the cross-section of the rigid ring 13 may include an arcuate portion 131 and an inset portion 132 integrally connected to the arcuate portion 131. The embedded portion 132 may be in the shape of a "straight" or "L" or "T", etc. As shown in fig. 3, the embedded portion 132 is L-shaped, and has a bent structure, which is beneficial to further dispersing the load, and has better reliability, and better applicability in the occasions of common doors and windows, heavy doors and windows, etc. Of course, the cross-section of the rigid ring 13 may have other suitable configurations, etc.

Specifically, the buffering ring 12 may be a rubber ring or a plastic ring, which has certain strength and deformability, and of course, the buffering ring 12 may also be made of plastic, plastic composite material or other materials, all belonging to the protection scope of the present invention.

Specifically, the cushion ring 12 is flush with both ends of the rigid ring 13, or the cushion ring 12 is provided with a step structure at both ends of the rigid ring 13 to protrude from the rigid ring 13, and the cushion ring 12 protrudes from the portion of the rigid ring 13, and can be filled in the gap between the rail and the pulley and be subjected to a certain pressure, so that the silencing effect can be further improved.

Specifically, the rigid ring 13 is a copper ring, an aluminum ring, an iron ring, or the like, and of course, the rigid ring 13 may be made of other metal materials, which all belong to the protection scope of the present invention.

Specifically, the thickness of the cushion ring 12 may be greater than or equal to the thickness of the rigid ring 13, which has a good cushion effect.

Specifically, a first anti-falling limiting structure is arranged between the buffer ring 12 and the bearing 11. The first anti-falling limiting structure can be integrally arranged on edge covering rings at two sides of the buffer ring 12, and the edge covering rings can be attached to two end faces of the bearing 11. Or, the first anti-dropping limiting structure includes a limiting rib and a limiting groove disposed between the buffer ring 12 and the bearing 11. Of course, the first anti-dropping limiting structure may also adopt other concave-convex matched limiting structures, or the first anti-dropping limiting structure may not be provided.

Specifically, a second anti-slip limiting structure is arranged between the buffer ring 12 and the rigid ring 13. The second anti-falling limiting structure can be integrally arranged on the edge covering rings on two sides of the rigid ring 13, and the edge covering rings can be attached to two end faces of the buffer ring 12. Or, the second anti-dropping limiting structure comprises a limiting rib and a limiting groove which are arranged between the buffer ring 12 and the rigid ring 13. Of course, the second anti-falling limiting structure may also adopt other concave-convex matched limiting structures, or the second anti-falling limiting structure may not be provided.

Specifically, the inner periphery of the rigid ring 13 can be further provided with a tooth-shaped structure or a convex structure or a groove structure, and the injection molded body (the buffer ring 12) can completely cover the rigid ring 13, so that degumming can be prevented, the track can be protected, and the structural reliability is better.

In a specific application, as shown in fig. 9, the rigid ring 13 may include a rigid ring body (e.g., a 6-metal ring) and a silencing layer 134 disposed on an outer side surface of the rigid ring body, where the silencing layer 134 may be a plastic layer or a rubber layer, and the silencing layer 134 is disposed (attached) on all or a part of the outer side surface of the rigid ring body.

In particular, the silencing layer 134 may be formed separately or integrally with the cushion ring 12. Alternatively, the sound deadening layer 134 may be annularly attached to the outer surface of the rigid ring body. The mute layer 134 is in direct contact with the metal track, so as to effectively avoid noise and abnormal sound.

During the concrete assembly use, at the door leaf, under the gravity of casement, rigidity ring 13 will receive orbital reaction force, and produce slight deformation to the central direction of bearing 11, rigidity ring 13 will wholly extrude buffering ring 12, through great effort face with power dispersion in buffering ring 12, buffering silence effect is better, make buffering ring 12 produce slight deformation and pull buffering ring 12 and lie in the part 120 of guide rail groove 121 both sides department and paste in the guide rail both sides, silence effect and steadiness all have great promotion.

The embodiment of the utility model provides a door and window pulley is still provided, including base and connecting axle, still include foretell wheel body 10, the connecting axle is worn to locate bearing 11 and the connection of wheel body 10 the base through set up buffer ring 12 between rigidity ring 13 and bearing 11, it can not only prevent that wheel body 10 from warping, realizing the effect of buffering, and the reliability is high, and the roll noise is little, and user experience is good during the use. The base can be a section bar, and is provided with a mounting groove, and two ends of the connecting shaft can be connected to two side walls of the mounting groove.

The embodiment of the utility model provides a wheel body and door and window pulley of door and window pulley, its wheel body 10 is through adopting rigidity ring 13 and set up buffering ring 12 between rigidity ring 13 and bearing 11, and it can not only realize the effect of buffering, and the reliability is high, and the roll noise is little, and user experience is good during the use.

Example two:

as shown in fig. 5 to 8, a wheel body 10 of a door and window pulley according to an embodiment of the present invention includes a bearing 11, a rigid ring 13, and a cushion ring 12 disposed between the bearing 11 and the rigid ring 13, wherein an inner side of the cushion ring 12 is connected to an outer side of the bearing 11, and an outer side of the cushion ring 12 is connected to an inner side of the rigid ring 13. Through adopting rigidity ring 13 and set up buffering ring 12 between rigidity ring 13 and bearing 11, rigidity ring 13 can effectively avoid wheel body 10 pressurized and warp, and buffering ring 12 can play the effect of buffering, silence, and its door and window is even long-term use, under the long-time not gliding condition, wheel body 10 still can slide smoothly, no stagnant sensation, no abnormal sound, and use experience is good.

Specifically, the periphery of the buffer ring 12 is provided with a guide rail groove 121, and the rigid ring 13 is provided with at least two regions which are respectively sleeved outside the guide rail groove 121 on the buffer ring 12. The cross section of the rail groove 121 may be trapezoidal, rectangular, or arc.

In a specific application, in the specific application, the outer side of the rigid ring 13 is close to the two sides of the guide rail groove 121, and a containing groove is provided, and the material of the buffer ring 12 can be filled into the containing groove, so that the parts of the buffer ring 12 at the two sides of the guide rail groove 121 are not easy to generate phenomena such as curling, and the reliability and durability of the product are better. The cross section of the holding tank can be V-shaped, trapezoidal, rectangular, semicircular and the like.

The embodiment of the utility model provides a door and window pulley is still provided, including base 20 and connecting axle 30, still include foretell wheel body 10, connecting axle 30 wears to locate the bearing 11 of wheel body 10 and connection base 20 through set up buffering ring 12 between rigidity ring 13 and bearing 11, it can not only prevent that wheel body 10 from warping, realizing the effect of buffering, and the reliability is high, and the roll noise is little, and user experience is good during the use. The base 20 may be a profile having a mounting groove, both ends of the connecting shaft 30 may be connected to both sidewalls of the mounting groove, and the wheel body 10 is disposed in the mounting groove.

The embodiment of the utility model provides a wheel body and door and window pulley of door and window pulley, its wheel body 10 is through adopting rigidity ring 13 and set up buffering ring 12 between rigidity ring 13 and bearing 11, and it can not only realize the effect of buffering, and the reliability is high, and the roll noise is little, and even door and window use for a long time, long-time not gliding condition under, wheel body 10 still can slide smoothly, the non-hysteresis feel, no abnormal sound, use experience well.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The wheel body of the door and window pulley is characterized by comprising a bearing, a buffer ring and a rigid ring which can be in contact with a guide rail, wherein the inner side of the buffer ring is connected to the outer side of the bearing, the rigid ring is separated from the outer side of the bearing by the buffer ring, and the rigid ring is sleeved on the buffer ring and/or the part of the rigid ring is embedded in the buffer ring.

2. The pulley body of a door and window pulley according to claim 1, wherein the buffer ring has a guide groove formed on an outer circumference thereof, the rigid ring is disposed at a bottom of the guide groove, and both ends of the rigid ring are embedded in the buffer ring.

3. The pulley body of a door and window pulley as claimed in claim 2, wherein the surface of the rigid ring outside the cushion ring is concavely curved.

4. The pulley body of a door and window pulley according to claim 1, wherein the buffer ring has a guide groove formed in an outer periphery thereof, and the rigid ring has at least two regions respectively fitted over the buffer ring except the guide groove.

5. The pulley body of the door and window pulley according to any one of claims 1 to 4, wherein the cushion ring is a rubber ring or a plastic ring; and/or the presence of a gas in the atmosphere,

the buffer ring is flush with or protrudes out of the rigid ring at two ends of the rigid ring.

6. The pulley body of the door and window pulley according to any one of claims 1 to 4, wherein a first anti-slip limiting structure is provided between the cushion ring and the bearing.

7. The pulley body of the door and window pulley according to any one of claims 1 to 4, wherein a second anti-slip limiting structure is provided between the cushion ring and the rigid ring.

8. The pulley body of the door and window pulley according to any one of claims 1 to 4, wherein the rigid ring comprises a rigid ring body and a silencing layer provided on an outer side surface of the rigid ring body, and the silencing layer is provided on all or part of the outer side surface of the rigid ring body.

9. The pulley body of a door or window pulley according to claim 8, wherein the silencing layer is formed separately from or integrally with the cushion ring.

10. The pulley body of a door and window pulley according to any one of claims 1 to 4, wherein a receiving groove is provided on an outer side of the rigid ring near both sides of the rail groove, and the material of the cushion ring is filled into the receiving groove.

11. A pulley for doors and windows, comprising a base and a connecting shaft, and further comprising a pulley body as claimed in any one of claims 1 to 10, wherein the connecting shaft is inserted into a bearing of the pulley body and connected to the base.