CN202187643U - Two-wheeled pulley - Google Patents
Two-wheeled pulley Download PDFInfo
- Publication number
- CN202187643U CN202187643U CN2011202847175U CN201120284717U CN202187643U CN 202187643 U CN202187643 U CN 202187643U CN 2011202847175 U CN2011202847175 U CN 2011202847175U CN 201120284717 U CN201120284717 U CN 201120284717U CN 202187643 U CN202187643 U CN 202187643U
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- China
- Prior art keywords
- bolster
- pulley
- rack
- internal frame
- lift span
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A two-wheeled pulley comprises an outer rack, a lifting rack, an inner rack, a first supporting shaft, a second supporting shaft and two sliding wheels, wherein the first supporting shaft and the second supporting shaft are mounted on the outer rack; the lifting rack is arranged in the outer rack and is in matched connection with the first supporting shaft and the second supporting shaft; an inner rack mounting shaft is arranged on the lifting rack; the inner rack is arranged in the lifting rack and is in matched connection with the inner rack mounting shaft; the two sliding wheels are mounted on two sides of the inner rack; and an adjusting device for adjusting the position of the lifting rack is arranged on one side of the outer rack. As the lifting rack and the inner rack are mounted in the outer rack, the inner rack is mounted on the lifting rack, the lifting rack is mounted on the outer rack, and the two supporting shafts for supporting the lifting rack and the inner rack are arranged on the outer rack and can shear weight born by the pulley. Therefore, the phenomenon of deformation or even damage of the supporting shaft of the conventional two-wheeled pulley in which the inner rack is supported by only one supporting shaft due to over heavy pressure is avoided.
Description
Technical field
The utility model belongs to the door and window hardware field, relates in particular to a kind of two-wheeled pulley.
Background technology
Pulley is a kind of door and window hardware spare commonly used, is widely used on the door and window door and window that particularly quality is bigger.Above-mentioned door and window is generally processed by aluminium alloy extrusions, and said door and window is installed on the doorframe and window frame, and said pulley is installed on the bottom of door and window, and contacting with doorframe and window frame of this pulley is connected.But install after the pulley, said door and window just can move on doorframe and window frame through pulley, and the smoothness that moves is greatly improved, and has not only made things convenient for user's use, and can reduce the wearing and tearing between door and window and the doorframe and window frame.
The two-wheeled pulley is one of maximum pulley of market sale.Existing two-wheeled pulley comprises an outrigger, an internal frame and two movable pulleies; Said two movable pulleies are installed on the internal frame; Said outrigger is provided with a bolster; Said internal frame is arranged in the outrigger and is installed on the bolster, said two-wheeled pulley also be provided with one be used to regulate the internal frame position adjusting device.
Though above-mentioned two-wheeled pulley has characteristic of simple structure; But its shortcoming also is conspicuous: owing to only be provided with a bolster on the two-wheeled pulley; Said movable pulley is divided into the both sides of bolster, and the weight of said door and window is transferred to two movable pulleies through block bearing and transferred to doorframe and window frame through movable pulley and bear, because a said bolster will be born the weight of whole door and window; The pressure that bears is excessive, so its easy compressive deformation even damage.
The utility model content
The purpose of the utility model is to provide a kind of two-wheeled pulley, be intended to solve existing pulley bearing bearing be stressed excessive, the problem of compressive deformation easily.
The utility model is to realize like this; A kind of two-wheeled pulley; Comprise outrigger, crane, internal frame, first bolster, second bolster and two movable pulleies, said first bolster, second bolster are installed on the outrigger, and said crane is installed in the outrigger and with first bolster, second bolster and is connected; This crane is provided with an internal frame installation shaft; Said internal frame is installed in the crane and with the internal frame installation shaft and is connected, and said two movable pulleies are installed on the left and right sides of internal frame, and a side of said outrigger is provided with the adjusting device that is used to regulate the crane position.
Wherein, said internal frame installation shaft is between first bolster and second bolster.
Wherein, the said crane left and right sides is respectively equipped with first lift span and second lift span, and said first lift span, second lift span and first bolster, second bolster are connected, and this first lift span and second lift span are waist shape inclined hole.
Wherein, the gradient of said first lift span and second lift span is 45 degree, and this first lift span is consistent with the incline direction of second lift span.
Wherein, said two movable pulleies are rotating to be installed on the internal frame, and said internal frame installation shaft is between two movable pulleies.
Wherein, Said adjusting device comprises a set screw, pad and adjusting nut, and said pad is installed on the inwall of outrigger one end, and said adjusting nut is installed on the inwall of adjusting bracket one end; Offer a set screw groove on the said set screw; Offer a pad groove on the said pad, said set screw is passed outrigger, adjusting bracket is threaded with adjusting nut, and said set screw groove is connected on the pad groove.
Wherein, said first bolster, second bolster and internal frame installation shaft are rivet and process.
Wherein, said movable pulley both sides are respectively equipped with the movable pulley pad.
After adopting above technical scheme; Because crane and internal frame have been installed in outrigger, said internal frame is installed on the crane, and said crane is installed on the outrigger; Said outrigger is provided with two bolsters and is used to support crane and internal frame; Said two bolsters can be shared the weight that pulley bears, and effectively avoid existing two-wheeled pulley by a support shaft supports internal frame, and said bolster takes place owing to bearing overweight distortion even the damaged condition of causing of pressure.
Description of drawings
Fig. 1 is the exploded perspective view of a kind of two-wheeled pulley of providing of the utility model embodiment.
Fig. 2 is that the master of a kind of two-wheeled pulley of providing of the utility model embodiment looks sketch map.
Fig. 3 is the schematic top plan view of a kind of two-wheeled pulley of providing of the utility model embodiment.
Fig. 4 is the elevational schematic view of a kind of two-wheeled pulley of providing of the utility model embodiment.
Fig. 5 is the cross-sectional schematic of a kind of two-wheeled pulley of providing of the utility model embodiment.
Fig. 6 is the schematic perspective view of a kind of two-wheeled pulley of providing of the utility model embodiment.
Fig. 7 is another schematic perspective view of a kind of two-wheeled pulley of providing of the utility model embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of two-wheeled pulley; Said two-wheeled pulley generally is installed on the bottom of alumium alloy door and window (not shown); And this two-wheeled pulley carriage is on the doorframe and window frame (not shown), and the weight of said door and window is delivered on the doorframe and window frame, through the two-wheeled pulley in the present embodiment; The bottom of said two-wheeled pulley is provided with pulley installing hole 14, and said two-wheeled pulley is installed on the alumium alloy door and window through pulley installing hole 14.
See also Fig. 1-7, said two-wheeled pulley comprises outrigger 1, crane 2, internal frame 3, first bolster 12, second bolster 13 and two movable pulleies 4,41; Said first bolster 12, second bolster 13 are installed on the outrigger 1, and said crane 2 is installed in the outrigger 1 and with first bolster 12 and second bolster 13 and is connected.The middle part of said crane 2 is provided with internal frame installation shaft 33, and said internal frame installation shaft 33 is between first bolster 12 and second bolster 13.Said internal frame 3 is installed in the crane 2 and with internal frame installation shaft 33 and is connected, and said two movable pulleies 4,41 are installed on interior 3 both sides respectively.One side of said outrigger 1 also is provided with and is used to regulate crane 2 apparatus for adjusting position.
See also Fig. 1-7, said crane 2 is provided with first lift span 21 and second lift span 22, and said first lift span 21, second lift span 22 and first bolster 12, second bolster 13 are connected; Specifically, said first bolster 12, second bolster 13 passes first lift span 21 respectively and second lift span 22 is limited to crane 2 on the outrigger 1, and said crane 2 can move up and down in the scope of first lift span 21 and second lift span 22.In the present embodiment; Said first lift span 21 and second lift span 22 are waist shape inclined hole; Angle a between this first lift span 21 and second lift span 22 and the two-wheeled pulley is 45 degree, and first lift span 21 is consistent with the incline direction of second lift span 22, and incline direction all is to tilt from right to left.
See also Fig. 1-7; Said internal frame 3 is provided with 3 internal frame installing holes; Be respectively internal frame installing hole 34, internal frame installing hole 35 and internal frame installing hole 36; Said internal frame installing hole 34, internal frame installing hole 35 and internal frame installing hole 36 are circular hole, and said internal frame installation shaft 33 is passed internal frame installing hole 35 internal frame 3 is installed on the crane 2; Said internal frame 3 is provided with movable pulley installation shaft 31,33, and said movable pulley installation shaft 31,33 is passed internal frame installing hole 34,36 movable pulley 4,41 is installed on the internal frame 3.Because said internal frame installation shaft 35 is installed on two movable pulleies 4, between 41, therefore said internal frame 3 can be the center rotation with internal frame installation shaft 33.Said movable pulley 4,41 is that rotate at the center with movable pulley installation shaft 31,33.
After adopting above technical scheme; Because crane 2 and internal frame 3 have been installed in outrigger 1, and said internal frame 3 is installed on the crane 2, said crane 2 is installed on the outrigger 1; Said outrigger 1 is provided with two bolsters 12,13 and is used to support crane 2 and internal frame 3; Said two bolsters 12,13 can effectively be shared the weight of door and window, effectively avoid existing two-wheeled pulley by a support shaft supports internal frame, and said bolster takes place owing to bearing overweight distortion even the damaged condition of causing of pressure.
See also Fig. 1, Fig. 3 and Fig. 5; Said adjusting device comprises a set screw 5, pad 52 and adjusting nut 54; Said pad 52 is installed on the inwall of outrigger 1 one ends; Said adjusting nut 54 is fixedly mounted on the inwall of adjusting bracket 2 one ends, offers a set screw groove 51 on the said set screw 5, offers a pad groove 53 on the said pad 52; Said set screw 5 is passed outrigger 1, adjusting bracket 2 is threaded with adjusting nut 54, and said set screw groove 51 is connected on the pad groove 53.
Specifically; Set screw 5 is passed the installing hole 23 that installing hole 11 that outrigger 1 offers and adjusting bracket 2 offer and is threaded with adjusting nut 54; Said set screw 5 is provided with a set screw groove 51, and said set screw groove 51 is connected on the pad groove 53.Because pad groove 53 blocks screw recess 51; Therefore said set screw 5 can only be rotated in pad groove 53; Be threaded with adjusting nut 54 owing to set screw 5 again; When therefore rotating set screw 5, said set screw 5 promotes adjusting nut 54 and adjusting bracket 2 move left and right in internal frame 1.
Set screw 5 turns clockwise; Said set screw 5 promotes adjusting nuts 54 and adjusting bracket 2 moves to the right side of outrigger, because first lift span 21, second lift span 22 that said adjusting bracket 2 is provided with are waist type inclined hole, and its incline direction consistent (all being to tilt from left to right); Therefore said adjusting bracket 2 can move to the bottom of outrigger 1; When said second bolster 13 is positioned at the A place of second lift span 22, see also Fig. 5, said crane 2 is just concordant with outrigger; At this moment, the position of crane 2 is in minimum point; When being rotated counterclockwise set screw 5; Said set screw 5 promotes adjusting nut 54 and adjusting bracket 2 moves to the left side of outrigger; Said adjusting bracket 2 can move to the opening part of outrigger 1; When said second bolster 13 was positioned at the B place of second lift span 22, said crane 2 exceeded outrigger 1, and the distance that exceeds is the A place of second lift span 22 and the vertical distance between the B place.After taking above technical scheme, excesssive gap or too small between said door and window and doorframe and window frame only needs the rotation adjusting screw 5 on the two-wheeled pulley, and said set screw 5 is with regard to the height of scalable crane 2, with gap adjustment between door and window and the doorframe and window frame to reasonable level.
What be worth special instruction is: said internal frame 3 is installed in the centre position of crane 2 through internal frame installation shaft 33; Said internal frame installation shaft 33 also is in two movable pulleies, 4,41 centre positions; Said two bolsters 12,13 are positioned at the both sides of crane 2; Therefore said two movable pulleies 4,41 are stressed more even, effectively avoided the situation of two movable pulley discontinuity in the existing two-wheeled pulley.
See also Fig. 1-7, said first bolster 12, second bolster 13, internal frame installation shaft 33 and movable pulley installation shaft 31,33 are rivet and process, and in the intensity that has guaranteed above-mentioned bolster, installation shaft, have reduced cost of manufacture.Said movable pulley 4,41 both sides are respectively equipped with movable pulley pad 42, and said pad 42 can prevent effectively that movable pulley 4,41 from rocking to both sides, have guaranteed stability and smoothness that movable pulley 4,41 slides.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. two-wheeled pulley; It is characterized in that: comprise outrigger, crane, internal frame, first bolster, second bolster and two movable pulleies; Said first bolster, second bolster are installed on the outrigger; Said crane is installed in the outrigger and with first bolster, second bolster and is connected, and this crane is provided with an internal frame installation shaft, and said internal frame is installed in the crane and with the internal frame installation shaft and is connected; Said two movable pulleies are installed on the left and right sides of internal frame, and a side of said outrigger is provided with the adjusting device that is used to regulate the crane position.
2. a kind of two-wheeled pulley as claimed in claim 1 is characterized in that: said internal frame installation shaft is between first bolster and second bolster.
3. a kind of two-wheeled pulley as claimed in claim 1; It is characterized in that: the said crane left and right sides is respectively equipped with first lift span and second lift span; Said first lift span, second lift span and first bolster, second bolster are connected, and this first lift span and second lift span are waist shape inclined hole.
4. a kind of two-wheeled pulley as claimed in claim 3 is characterized in that: the gradient of said first lift span and second lift span is 45 degree, and this first lift span is consistent with the incline direction of second lift span.
5. a kind of two-wheeled pulley as claimed in claim 1 is characterized in that: said two movable pulleies are rotating to be installed on the internal frame, and said internal frame installation shaft is between two movable pulleies.
6. a kind of two-wheeled pulley as claimed in claim 1; It is characterized in that: said adjusting device comprises a set screw, pad and adjusting nut, and said pad is installed on the inwall of outrigger one end, and said adjusting nut is installed on the inwall of adjusting bracket one end; Offer a set screw groove on the said set screw; Offer a pad groove on the said pad, said set screw is passed outrigger, adjusting bracket is threaded with adjusting nut, and said set screw groove is connected on the pad groove.
7. a kind of two-wheeled pulley as claimed in claim 1 is characterized in that: said first bolster, second bolster and internal frame installation shaft are rivet and process.
8. a kind of two-wheeled pulley as claimed in claim 1 is characterized in that: said movable pulley both sides are respectively equipped with the movable pulley pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202847175U CN202187643U (en) | 2011-08-05 | 2011-08-05 | Two-wheeled pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202847175U CN202187643U (en) | 2011-08-05 | 2011-08-05 | Two-wheeled pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187643U true CN202187643U (en) | 2012-04-11 |
Family
ID=45919102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202847175U Ceased CN202187643U (en) | 2011-08-05 | 2011-08-05 | Two-wheeled pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839883A (en) * | 2012-09-14 | 2012-12-26 | 卢礼胜 | Improved sliding door and window pulley |
| CN108952399A (en) * | 2018-08-21 | 2018-12-07 | 江苏丽辉五金制造有限公司 | Door and window double-pulley device |
-
2011
- 2011-08-05 CN CN2011202847175U patent/CN202187643U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839883A (en) * | 2012-09-14 | 2012-12-26 | 卢礼胜 | Improved sliding door and window pulley |
| CN102839883B (en) * | 2012-09-14 | 2015-08-05 | 卢礼胜 | The sliding door/window roller of improvement |
| CN108952399A (en) * | 2018-08-21 | 2018-12-07 | 江苏丽辉五金制造有限公司 | Door and window double-pulley device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20170805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20150121 Decision number of declaring invalidation: 24825 Granted publication date: 20120411 |
|
| IW01 | Full invalidation of patent right |