CN109681064B - Wheel body of door and window pulley and door and window pulley - Google Patents
Wheel body of door and window pulley and door and window pulley Download PDFInfo
- Publication number
- CN109681064B CN109681064B CN201910107813.3A CN201910107813A CN109681064B CN 109681064 B CN109681064 B CN 109681064B CN 201910107813 A CN201910107813 A CN 201910107813A CN 109681064 B CN109681064 B CN 109681064B
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- Prior art keywords
- ring
- rigid ring
- buffer
- pulley
- rigid
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- 239000004033 plastic Substances 0.000 claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 230000002159 abnormal effect Effects 0.000 abstract description 10
- 238000007373 indentation Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 230000001743 silencing effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Devices For Sliding Doors (AREA)
Abstract
The invention is suitable for the technical field of door and window accessories, and discloses a wheel body of a door and window pulley and the door and window pulley. The wheel body of the pulley for the doors and windows 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 pulley body, wherein the connecting shaft penetrates through a bearing of the pulley body and is connected with the base. The wheel body of the door and window pulley and the door and window pulley provided by the invention have the advantages that the rigid ring is adopted, the buffer ring is arranged between the rigid ring and the bearing, the door and window can still slide smoothly without blocking feeling and abnormal noise even if the door and window is not slid for a long time in long-term use, the use experience is good, and the defects that the existing plastic pulley is easy to be pressed and integrally deform or generate local indentation, the metal pulley has high cost, is unrecoverable after deformation, has large noise and the like can be overcome.
Description
Technical Field
The invention belongs to the technical field of door and window accessories, and particularly relates to a wheel body of a door and window pulley and the door and window pulley.
Background
Door and window pulleys are arranged between the sliding door and window and the door and window frame to reduce resistance and facilitate sliding. Conventional door and window pulleys include two types, namely plastic pulleys and metal pulleys. The plastic pulley comprises a bearing and a plastic outer ring coated outside the bearing, and the plastic pulley has poor bearing performance, and particularly under the condition of long-time static bearing, the plastic outer ring is easy to be pressed and integrally deformed or generate partial indentation, so that the sliding of a door and a window is unsmooth, and the sliding is jumped and abnormal sound is 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 is not recoverable after being integrally deformed, the cost is high, the metal pulley rubs with a track of a door and a window frame in the moving process, and the noise is large.
Disclosure of Invention
The invention aims to at least solve one of the technical problems, and provides a pulley body of a door and window pulley and the door and window pulley, which can solve the defects that the existing plastic pulley is easy to be pressed and integrally deformed or generates partial indentation, the metal pulley has high cost, and the metal pulley cannot recover after deformation and has large noise.
The technical scheme of the invention is as follows: the utility model provides a wheel body of door and window pulley, includes bearing, buffer ring and can with the rigid ring of guide rail contact, the inboard of buffer ring connect in the outside of bearing, the rigid ring with separate by the buffer ring between the outside of bearing, the rigid ring cover in the buffer ring and/or the part of rigid ring inlay in the buffer ring is inside.
Specifically, the periphery of the buffer ring is provided with a guide rail groove, the rigid ring is arranged at the bottom of the guide rail groove, and two ends of the rigid ring are embedded in the buffer 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 the buffer ring is provided with guide rail grooves, and the rigid ring is provided with at least two areas which are respectively sleeved outside the guide rail grooves 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-drop limiting structure is arranged between the buffer ring and the rigid ring.
Specifically, the rigid ring comprises a rigid ring body and a mute layer arranged on the outer side surface of the rigid ring body, wherein the mute layer is wholly or partially arranged on the outer side surface of the rigid ring body.
Specifically, the mute layer is formed independently or integrally with the buffer ring.
Specifically, the outer side of the rigid ring is provided with accommodating grooves close to two sides of the guide rail groove, and the accommodating grooves are filled with materials of the buffer ring.
According to the wheel body of the door and window pulley and the door and window pulley, the bearing and the deformation-preventing rigid ring which can be contacted with the track are arranged, so that the deformation-preventing rigid ring can effectively avoid the generation of indentations by means of the rigidity of the wheel body, the pulley is more difficult to deform by pressing, the injection molding body is filled between the bearing and the deformation-preventing rigid ring, the pressure born by the deformation-preventing rigid ring during bearing can be well transmitted to the bearing, and the deformation-preventing rigid ring can be elastically supported outwards by means of the elasticity of the injection molding body (buffer ring), so that the deformation-preventing rigid ring can be restored after being slightly deformed. The track groove is formed in the periphery of the injection molding body (the buffer ring), the deformation-preventing rigid ring is arranged at the bottom of the track groove, so that bearing force directly acts on the deformation-preventing rigid ring when the pulley moves on the track, friction between the pulley and the track occurs between the side wall surface of the injection molding body and the track, and even if the door and window is used for a long time and does not slide for a long time, the door and window can still slide smoothly, does not have a hysteresis feeling and abnormal noise, and the use experience is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed 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 other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic plan view of a pulley body of a pulley for doors and windows according to an embodiment of the present invention;
fig. 2 is a schematic plan view of a pulley body of a pulley for doors and windows according to an embodiment of the present invention;
fig. 3 is a schematic plan view of a pulley body of a pulley for doors and windows according to an embodiment of the present invention;
fig. 4 is a schematic plan view of a rigid ring (when a through hole is formed) in a pulley body of a pulley for doors and windows according to an embodiment of the present invention;
fig. 5 is a schematic plan view of a pulley body of a pulley for doors and windows according to a second embodiment of the present invention;
fig. 6 is a schematic perspective view of a pulley for doors and windows according to a second embodiment of the present invention;
fig. 7 is a schematic perspective view of a pulley for doors and windows according to a second embodiment of the present invention;
fig. 8 is a schematic plan view of a pulley for doors and windows according to a second embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of a pulley for doors and windows according to a first embodiment of the present invention;
fig. 10 is a schematic diagram of a force analysis of a rigid ring in a pulley for doors and windows according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that the terms "disposed" and "connected" should be construed broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through a central element or a central structure.
Embodiment one:
as shown in fig. 1 to 4, the pulley body 10 of the pulley for doors and windows provided by the embodiment of the invention comprises a bearing 11, a buffer ring 12 and a rigid ring 13 capable of contacting with a guide rail, wherein the inner side of the buffer ring 12 is connected with 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, namely, the rigid ring 13 is not in direct contact with the bearing 11, the rigid ring 13 is sleeved in the buffer ring 12, and/or part of the rigid ring 13 is embedded in the buffer ring 12, namely, the rigid ring 13 can be integrally sleeved outside the buffer ring 12, the part of the rigid ring 13 exposed can also be partially exposed, the part of the rigid ring 13 can be used for contacting with the guide rail, and the part of the rigid ring 13 can be embedded in the buffer ring 12, so that the buffer ring 12 can be more beneficial to dispersing the load of the rigid ring 13, and the reliability can be more beneficial to be improved and the abnormal noise can be better reduced. The rigid ring 13 can effectively avoid the wheel body 10 to be pressed and deformed, the buffer ring 12 can play a role of buffering and silencing, the wheel body 10 can still slide smoothly without a blocking sense and abnormal noise even if the door and window is used for a long time and does not slide for a long time, in the embodiment, the rigid ring 13 can be partially exposed, the exposed part of the rigid ring 13 can be used for being contacted with a guide rail, two ends of the rigid ring 13 are embedded in the buffer ring 12, in the embodiment, the periphery of the buffer ring 12 is provided with the guide rail groove 121, the rigid ring 13 is arranged at the bottom of the guide rail groove 121, and two ends of the rigid ring 13 are embedded in the buffer ring 12, so that the buffer ring 12 can be more favorable for dispersing the load of the rigid ring 13, and the buffer ring 12 can be more favorable for improving the reliability and better reducing the abnormal noise use experience.
Specifically, the surface of the rigid ring 13 located outside the buffer ring 12 is concave arc-shaped to match the surface of the guide rail, and the upper surface of the guide rail is generally arc-shaped or semicircular. In this embodiment, the exposed surface of the rigid ring 13 is flush with the guide groove 121 of the buffer ring 12, and in the cross-sectional schematic view, the exposed surface of the rigid ring 13 and the surface of the guide groove 121 are in the same arc section.
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 ring.
In specific applications, the outer sides of the rigid rings 13 are close to two sides of the guide rail groove 121, and the accommodating grooves are formed, so that materials of the buffer rings 12 can be filled in the accommodating grooves, and the parts 120 of the buffer rings 12 located at two sides of the guide rail groove 121 are not easy to generate curling and the like, so that the reliability and the durability of products are better.
The section of the accommodating groove can be V-shaped, trapezoidal, rectangular, semicircular and the like.
Specifically, as shown in fig. 4, a plurality of through holes 130 may be formed on the exposed surface of the rigid ring 13, and the through holes 130 may be circular, and the material of the buffer ring 12 may be filled in the through holes 130, so that the connection reliability between the rigid ring 13 and the buffer ring 12 is better. The portion of the buffer ring 12 filled in the through hole 130 may be flush with or protrude from the exposed surface of the rigid ring 13, which is advantageous for further reducing noise and improving reliability while ensuring structural strength. Of course, the rigid ring 13 may not have the through hole 130.
In a particular application, the cross section of the rigid ring 13 may comprise an arcuate portion 131 and an embedded portion 132 integrally connected to said arcuate portion 131. The embedded portion 132 may be "one" shaped or "L" shaped or "T" shaped, etc. As shown in fig. 3, the embedded portion 132 is in an L shape, and has a bending structure, which is beneficial to further dispersing load, has better reliability, and can be applied to common doors and windows, heavy doors and windows, and the like, and has better applicability. Of course, the cross section of the rigid ring 13 may take on other suitable configurations, etc.
Specifically, the buffer ring 12 may be a rubber ring or a plastic ring, which has a certain strength and deformability, and of course, the buffer ring 12 may be made of plastic, a plastic composite material or other materials, which falls within the protection scope of the present invention.
Specifically, the buffer ring 12 is flush with two ends of the rigid ring 13, or the buffer ring 12 is provided with a step structure at two ends of the rigid ring 13 to protrude from the rigid ring 13, and the buffer ring 12 protrudes from the rigid ring 13, can be filled in the gap between the track and the pulley and receives 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 are all within the protection scope of the present invention.
Specifically, the thickness of the buffer ring 12 may be greater than or equal to the thickness of the rigid ring 13, and the buffer effect is good.
Specifically, a first anti-drop limiting structure is provided between the buffer ring 12 and the bearing 11. The first anti-falling limiting structure may be an edge-wrapping ring integrally disposed on two sides of the buffer ring 12, and the edge-wrapping ring may be attached to two end surfaces of the bearing 11. Alternatively, the first anti-falling 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-falling limiting structure can also adopt other concave-convex matched limiting structures, and the first anti-falling limiting structure can also not be arranged.
Specifically, a second anti-drop limiting structure is provided between the buffer ring 12 and the rigid ring 13. The second anti-falling limiting structure may be an edge-wrapping ring integrally disposed on two sides of the rigid ring 13, and the edge-wrapping ring may be attached to two end surfaces of the buffer ring 12. Alternatively, the second anti-falling limiting structure includes a limiting rib and a limiting groove disposed between the buffer ring 12 and the rigid ring 13. Of course, the second anti-falling limiting structure can also adopt other concave-convex matched limiting structures, and the second anti-falling limiting structure can also not be arranged.
Specifically, the inner periphery of the rigid ring 13 may be further provided with a tooth structure or a protrusion structure or a groove structure, and the injection molding body (the buffer ring 12) may completely cover the rigid ring 13, so that the degumming can be prevented and 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 (for example, a 6 metal ring) and a mute layer 134 disposed on an outer surface of the rigid ring body, where the mute layer 134 may be a plastic layer or a rubber layer, and the mute layer 134 is disposed (adhered) on the outer surface of the rigid ring body in whole or in part.
Specifically, the mute layer 134 may be formed separately or integrally with the cushion ring 12. Alternatively, the mute 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 rail to effectively avoid noise and abnormal sound.
When the device is specifically assembled and used, under the gravity of a door leaf and a window sash, the rigid ring 13 is subjected to the counterforce of a rail and slightly deforms towards the center direction of the bearing 11, the rigid ring 13 integrally presses the buffer ring 12, the force is dispersed to the buffer ring 12 through a larger force acting surface, the buffer silencing effect is better, the buffer ring 12 slightly deforms and pulls the parts 120 of the buffer ring 12, which are positioned at two sides of the guide rail groove 121, to be attached to two sides of the guide rail, and the silencing effect and stability are greatly improved.
The embodiment of the invention also provides a door and window pulley, which comprises a base, a connecting shaft and the pulley body 10, wherein the connecting shaft penetrates through the bearing 11 of the pulley body 10 and is connected with the base, and the buffer ring 12 is arranged between the rigid ring 13 and the bearing 11, so that the pulley body 10 can be prevented from deforming, the buffer effect is realized, the reliability is high, the rolling noise is low, and the user experience is good when the pulley is used. The base can be a section bar, which is provided with a mounting groove, and two ends of the connecting shaft can be connected with two side walls of the mounting groove.
According to the wheel body of the door and window pulley and the door and window pulley provided by the embodiment of the invention, the wheel body 10 adopts the rigid ring 13, and the buffer ring 12 is arranged between the rigid ring 13 and the bearing 11, so that the buffer effect can be realized, the reliability is high, the rolling noise is low, and the user experience is good when the door and window pulley is used.
Embodiment two:
as shown in fig. 5 to 8, the pulley body 10 of the pulley for doors and windows provided by the embodiment of the invention comprises a bearing 11, a rigid ring 13 and a buffer ring 12 arranged between the bearing 11 and the rigid ring 13, wherein the inner side of the buffer ring 12 is connected with the outer side of the bearing 11, and the outer side of the buffer ring 12 is connected with the inner side of the rigid ring 13. By adopting the rigid ring 13 and arranging the buffer ring 12 between the rigid ring 13 and the bearing 11, the rigid ring 13 can effectively avoid the wheel body 10 from being pressed to deform, the buffer ring 12 can play a role of buffering and silencing, and the wheel body 10 can still slide smoothly, without a hysteresis feel and abnormal noise even if the door and window is used for a long time and does not slide for a long time, so that the use experience is good.
Specifically, the buffer ring 12 may be a rubber ring or a plastic ring, which has a certain strength and deformability, and of course, the buffer ring 12 may be made of plastic, a plastic composite material or other materials, which falls within the protection scope of the present invention.
Specifically, the buffer ring 12 is flush with two ends of the rigid ring 13, or the buffer ring 12 is provided with a step structure at two ends of the rigid ring 13 to protrude from the rigid ring 13, and the buffer ring 12 protrudes from the rigid ring 13, can be filled in the gap between the track and the pulley and receives 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 are all within the protection scope of the present invention.
Specifically, the outer circumference of the buffer ring 12 is provided with a guide groove 121, and the rigid ring 13 is provided with at least two regions respectively sleeved outside the guide groove 121 on the buffer ring 12. The cross section of the guide rail groove 121 may be trapezoidal, rectangular, arc-shaped, or the like.
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 ring.
In specific applications, the outer sides of the rigid rings 13 are close to two sides of the guide rail groove 121, and accommodating grooves are formed in the outer sides of the rigid rings, so that materials of the buffer rings 12 can be filled in the accommodating grooves, and the portions, located at the two sides of the guide rail groove 121, of the buffer rings 12 are not easy to generate curling and the like, and the reliability and the durability of products are better. The section of the accommodating groove can be V-shaped, trapezoidal, rectangular, semicircular and the like.
Specifically, the thickness of the buffer ring 12 may be greater than or equal to the thickness of the rigid ring 13, and the buffer effect is good.
Specifically, a first anti-drop limiting structure is provided between the buffer ring 12 and the bearing 11. The first anti-falling limiting structure may be an edge-wrapping ring integrally disposed on two sides of the buffer ring 12, and the edge-wrapping ring may be attached to two end surfaces of the bearing 11. Alternatively, the first anti-falling 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-falling limiting structure can also adopt other concave-convex matched limiting structures, and the first anti-falling limiting structure can also not be arranged.
Specifically, a second anti-drop limiting structure is provided between the buffer ring 12 and the rigid ring 13. The second anti-falling limiting structure may be an edge-wrapping ring integrally disposed on two sides of the rigid ring 13, and the edge-wrapping ring may be attached to two end surfaces of the buffer ring 12. Alternatively, the second anti-falling limiting structure includes a limiting rib and a limiting groove disposed between the buffer ring 12 and the rigid ring 13. Of course, the second anti-falling limiting structure can also adopt other concave-convex matched limiting structures, and the second anti-falling limiting structure can also not be arranged.
In a specific application, as shown in fig. 9, the rigid ring 13 may include a rigid ring body (for example, a 6 metal ring) and a mute layer 134 disposed on an outer surface of the rigid ring body, where the mute layer 134 may be a plastic layer or a rubber layer, and the mute layer 134 is disposed (adhered) on the outer surface of the rigid ring body in whole or in part.
Specifically, the mute layer 134 may be formed separately or integrally with the cushion ring 12. Alternatively, the mute 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 rail to effectively avoid noise and abnormal sound.
When the device is specifically assembled and used, under the gravity of a door leaf and a window sash, the rigid ring 13 is subjected to the counterforce of a rail and slightly deforms towards the center direction of the bearing 11, the rigid ring 13 integrally presses the buffer ring 12, the force is dispersed to the buffer ring 12 through a larger force acting surface, the buffer silencing effect is better, the buffer ring 12 slightly deforms and pulls the parts 120 of the buffer ring 12, which are positioned at two sides of the guide rail groove 121, to be attached to two sides of the guide rail, and the silencing effect and stability are greatly improved.
The embodiment of the invention also provides a door and window pulley, which comprises the base 20 and the connecting shaft 30, and further comprises the pulley body 10, wherein the connecting shaft 30 penetrates through the bearing 11 of the pulley body 10 and is connected with the base 20, and the buffer ring 12 is arranged between the rigid ring 13 and the bearing 11, so that the pulley body 10 can be prevented from deforming, the buffer effect can be realized, the reliability is high, the rolling noise is low, and the user experience is good when the pulley is used. The base 20 may be a profile having a mounting groove, two ends of the connecting shaft 30 may be connected to two side walls of the mounting groove, and the wheel body 10 is disposed in the mounting groove.
Specifically, the inner periphery of the rigid ring 13 may be further provided with a tooth structure or a protrusion structure or a groove structure, and the injection molding body (the buffer ring 12) may completely cover the rigid ring 13, so that the degumming can be prevented and the track can be protected, and the structural reliability is better.
According to the wheel body of the door and window pulley and the door and window pulley provided by the embodiment of the invention, the wheel body 10 adopts the rigid ring 13, and the buffer ring 12 is arranged between the rigid ring 13 and the bearing 11, so that the door and window pulley not only can realize the buffer effect, but also has high reliability and small rolling noise, and the wheel body 10 can still slide smoothly without a blocking feeling and abnormal noise even if the door and window pulley is used for a long time and does not slide for a long time, and the use experience is good.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (11)
1. The pulley body of the pulley for the doors and windows is characterized by comprising a bearing, a buffer ring and a rigid ring which can be contacted 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, the rigid ring is sleeved on the buffer ring, and part of the rigid ring is embedded in the buffer ring; the rigid ring is partially exposed, the exposed part of the rigid ring is used for contacting with a guide rail, the surface of the rigid ring, which is positioned outside the buffer ring, is in a concave arc shape, a guide rail groove is formed in the periphery of the buffer ring, the rigid ring is arranged at the bottom of the guide rail groove, two ends of the rigid ring are embedded in the buffer ring, the exposed surface of the rigid ring and the surface of the guide rail groove are positioned in the same arc section, the cross section of the rigid ring comprises an arc-shaped part and an embedded part which is integrally connected with the arc-shaped part, and the embedded part is provided with a bending structure; the exposed surface of the rigid ring is provided with a plurality of through holes uniformly distributed along the circumferential direction, and the through holes are filled with the material of the buffer ring.
2. The pulley body of claim 1, wherein a guide rail groove is formed in the periphery of the buffer ring, the rigid ring is arranged at the bottom of the guide rail groove, and two ends of the rigid ring are embedded in the buffer ring.
3. A pulley body for a door or window as claimed in claim 2, wherein the surface of the rigid ring located outside the buffer ring is concave arc-shaped.
4. The pulley body of claim 1, wherein the outer circumference of the buffer ring is provided with guide grooves, and the rigid ring is provided with at least two regions respectively sleeved outside the guide grooves on the buffer ring.
5. A pulley body for a door or window as claimed in any one of claims 1 to 4, wherein the buffer ring is a rubber ring or a plastic ring; and/or the number of the groups of groups,
the buffer ring is flush with or protrudes out of the rigid ring at two ends of the rigid ring.
6. A pulley body for a door or window as claimed in any one of claims 1 to 4 wherein a first anti-slip limiting structure is provided between the buffer ring and the bearing.
7. A pulley body for a door or window as claimed in any one of claims 1 to 4 wherein a second anti-slip limiting structure is provided between the buffer ring and the rigid ring.
8. A pulley body for a door or window as claimed in any one of claims 1 to 4, wherein said rigid ring comprises a rigid ring body and a mute layer provided on an outer side surface of said rigid ring body, said mute layer being provided wholly or partially on said outer side surface of said rigid ring body.
9. The pulley body of claim 8, wherein the mute layer is formed separately or integrally with the buffer ring.
10. A pulley body for a door or window as claimed in any one of claims 1 to 4, wherein the outer side of the rigid ring is provided with receiving grooves adjacent to both sides of the guide groove, and the material of the buffer ring is filled into the receiving grooves.
11. A pulley for doors and windows, comprising a base and a connecting shaft, and further comprising a wheel body according to any one of claims 1 to 10, wherein the connecting shaft is arranged through a bearing of the wheel body and is connected with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107813.3A CN109681064B (en) | 2019-02-02 | 2019-02-02 | Wheel body of door and window pulley and door and window pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107813.3A CN109681064B (en) | 2019-02-02 | 2019-02-02 | Wheel body of door and window pulley and door and window pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681064A CN109681064A (en) | 2019-04-26 |
| CN109681064B true CN109681064B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107813.3A Active CN109681064B (en) | 2019-02-02 | 2019-02-02 | Wheel body of door and window pulley and door and window pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681064B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499983A (en) * | 2019-08-23 | 2019-11-26 | 宁波市广和洁具有限公司 | Shower house pulley, pulley assembly and pulley assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2516670Y (en) * | 2000-11-10 | 2002-10-16 | 卢国辉 | Pulley for aluminium alloy door and window |
| EP1623845A1 (en) * | 2004-08-03 | 2006-02-08 | William Chuang | Bearing structure |
| JP2007077779A (en) * | 2005-09-09 | 2007-03-29 | Nito Paltec Kk | Soundproof door roller and sound arrester |
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| CN209874821U (en) * | 2019-02-02 | 2019-12-31 | 深圳市派阁智能五金科技有限公司 | Wheel body of door and window pulley and door and window pulley |
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|---|---|
| CN109681064A (en) | 2019-04-26 |
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