CN203394229U - Pulley - Google Patents
Pulley Download PDFInfo
- Publication number
- CN203394229U CN203394229U CN201320463728.9U CN201320463728U CN203394229U CN 203394229 U CN203394229 U CN 203394229U CN 201320463728 U CN201320463728 U CN 201320463728U CN 203394229 U CN203394229 U CN 203394229U
- Authority
- CN
- China
- Prior art keywords
- pulley
- movable pulley
- axial trough
- fixed mount
- wheel carrier
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model is applicable to the field of door and window hardware fittings and provides a pulley. The pulley comprises a wheel frame, an adjusting frame, a fixing frame, sliding wheels, a supporting shaft, sliding wheel mounting shafts and a height adjusting unit for adjusting the height of the sliding wheels. The sliding wheels are mounted on the wheel frame through the sliding wheel mounting shafts, an adjusting hole is formed in the middle of the adjusting frame, the supporting shaft penetrates the adjusting hole to mount the adjusting frame on the wheel frame, the height adjusting unit is arranged on one side of the wheel frame, a supporting shaft groove and sliding wheel mounting shaft grooves are opened in the wheel frame, and the supporting shaft and the sliding wheel mounting shafts are mounted in the supporting shaft groove and the sliding wheel mounting shaft grooves respectively. By means of the technical scheme, the supporting shaft and the sliding wheel mounting shafts are mounted in the supporting shaft groove and the sliding wheel mounting shaft grooves respectively, so that compared with the fact that mounting shafts on prior pulleys are riveted on frame bodies, the pulley has the advantages of being high in assembly efficiency and yield.
Description
Technical field
The utility model belongs to door and window hardware accessory field, relates in particular to a kind of pulley.
Background technology
Pulley is a kind of conventional Hardware fitting, is generally installed on door and window bottom or top, and door and window slides on the slide rail being provided with above or below doorframe and window frame by pulley.
Existing pulley generally has the function that regulates height, comprise fixed mount, adjusting bracket, wheel carrier, movable pulley and regulon, described movable pulley is installed on wheel carrier, described fixed mount, adjusting bracket, wheel carrier are by the installation shaft connection that cooperatively interacts, on the above-mentioned support body of the general riveted joint of described installation shaft.Existing pulley has following shortcoming: 1, need to adopt riveting process fabricated sheave, packaging efficiency is not high; 2, in riveted joint process, easily produce defective products.
Utility model content
The purpose of this utility model is to provide a kind of pulley, is intended to solve the problem that existing pulley is difficult for installing.
A kind of pulley, comprise wheel carrier, adjusting bracket, fixed mount, movable pulley, back shaft, movable pulley installation shaft and for the height adjusting unit of adjustable pulley height, described movable pulley is installed on wheel carrier by movable pulley installation shaft, described adjusting bracket middle part is provided with adjustment hole, described back shaft is installed on adjusting bracket on wheel carrier through adjustment hole, described height adjusting unit is positioned at a side of wheel carrier, on described wheel carrier, offer and support axial trough and movable pulley installation axial trough, described back shaft and movable pulley installation shaft are installed on respectively and support in axial trough and movable pulley installation axial trough.
Adopt after above technical scheme, described back shaft and movable pulley installation shaft are all installed on and support in axial trough and movable pulley mounting groove, all be riveted on support body and compare with the installation shaft on existing pulley, it is higher that the pulley that the utility model provides has packaging efficiency, the feature that yield rate is high.
Wherein, described support axial trough and movable pulley are installed axial trough and are U-lag, and the top that described support axial trough and movable pulley are installed axial trough is U-shaped opening, and described U-shaped opening is positioned at the upper surface of wheel carrier.
Wherein, the quantity that described movable pulley, movable pulley installation shaft and movable pulley are installed axial trough is 2, the quantity of described back shaft, adjustment hole and support axial trough is 1, described adjustment hole is kidney-shaped inclined hole, described support axial trough is opened in the middle part of wheel carrier, described movable pulley is installed the both sides that axial trough is opened in wheel carrier, and the two ends of described back shaft are installed on respectively to be supported in axial trough, and described movable pulley installation shaft two ends are installed on respectively movable pulley and install in axial trough.
Wherein, described adjusting bracket is provided with adjusting bracket support portion, and the below of described adjusting bracket support portion offers adjusting bracket mounting groove, and described movable pulley installation shaft is positioned at adjusting bracket mounting groove.
Wherein, described fixed mount is dismountable is installed on back shaft.
Wherein, described fixed mount middle part is provided with a fixed mount installation portion, described fixed mount installation portion is provided with fixed mount mounting groove, described fixed mount mounting groove is U-shaped, this fixed mount mounting groove opening part is provided with two flexure strips, the size of described fixed mount mounting groove is more than or equal to the size of back shaft diameter, and the distance between described flexure strip is less than the size of back shaft diameter.
Wherein, described fixed mount both sides are provided with stabilization, and described wheel carrier is provided with gutter, and described stabilization is installed among gutter, and the size of this stabilization and gutter is suitable.
Wherein, the bottom of described wheel carrier is provided with a pulley stabilizer, and described pulley stabilizer is provided with a gutter, and described gutter is suitable with the slide rail that is positioned at pulley below.
Wherein, described fixed mount and wheel carrier all adopt plastic material to make.
Wherein, described height adjusting unit comprises adjustment screw, adjusting nut and adjustment screw mounting groove, nut in described adjustment screw is installed in screw mounting groove, and described adjusting nut is installed on adjusting bracket, and described adjustment screw is threaded with adjusting nut through adjusting bracket.
Accompanying drawing explanation
Fig. 1 is that the master of the pulley that provides of the utility model embodiment looks schematic diagram.
Fig. 2 is the schematic top plan view of the pulley that provides of the utility model embodiment.
Fig. 3 is the elevational schematic view of the pulley that provides of the utility model embodiment.
Fig. 4 is the schematic perspective view of the pulley that provides of the utility model embodiment.
Fig. 5 be the pulley that provides of the utility model embodiment partly cut open schematic diagram.
Fig. 6 is another schematic perspective view of the pulley that provides of the utility model embodiment.
Fig. 7 is the exploded perspective view of the pulley that provides of the utility model embodiment.
Fig. 8 is the cross-sectional schematic of the pulley that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1-7, the utility model provides a kind of pulley, comprises wheel carrier 3, adjusting bracket 2, fixed mount 1, two movable pulleies 5, back shaft 4, two movable pulley installation shaft 51 and for the height adjusting unit 6 of adjustable pulley height.Wherein, the middle part of described wheel carrier 3 is provided with wheel carrier mounting groove 31, within described adjusting bracket 2 is installed on wheel carrier mounting groove 31, described two movable pulleies 5 are installed on respectively the left and right sides of wheel carrier 3 by movable pulley installation shaft 51, described adjusting bracket 2 middle parts are provided with adjustment hole 21, described back shaft 4 is installed on adjusting bracket 2 on wheel carrier 3 through adjustment hole 21, described height adjusting unit is positioned at a side of wheel carrier 3, on described wheel carrier 3, offer and support axial trough 32 and two movable pulleies installation axial trough 33, described back shaft 4 and movable pulley installation shaft 51 are installed on and support in axial trough 32 and movable pulley installation axial trough 33.
Adopt after above technical scheme, described back shaft 4 is all installed on and supports in axial trough 32 and movable pulley mounting groove 33 with movable pulley installation shaft 51, convenient installation and dismounting, all be riveted on support body and compare with movable pulley installation shaft and back shaft on existing pulley, it is higher that the pulley that the utility model provides has packaging efficiency, the feature that yield rate is high.
Refer to Fig. 1-8, specifically, described support axial trough 32 and movable pulley are installed axial trough 33 and are U-shaped, and it is U-shaped opening that described support axial trough 32 and movable pulley are installed axial trough 33 top, and described U-shaped opening is positioned at the upper surface of wheel carrier 3.Refer to Fig. 7, described adjustment hole 21 is kidney-shaped inclined hole, and the angle of inclination of described kidney-shaped inclined hole is 20 degree～70 degree, preferably 45 degree.
Refer to Fig. 1-8, in the present embodiment, the quantity that described movable pulley 5, movable pulley installation shaft 51 and movable pulley are installed axial trough 33 is 2, the quantity of described back shaft 4, adjustment hole 21 and support axial trough 32 is 1, described support axial trough 32 is opened in the middle part of wheel carrier 3, described movable pulley is installed the both sides that axial trough 32 is opened in wheel carrier, lay respectively at and support the axial trough 32 left and right sides, the two ends of described back shaft 4 are installed on respectively to be supported in axial trough 32, and described movable pulley installation shaft 51 two ends are installed on respectively movable pulley and install in axial trough 32.
Adopt after above technical scheme, when movable pulley 5 is installed, only movable pulley 5 need be installed in movable pulley installation shaft 51, the U-shaped opening of again movable pulley installation shaft 51 being installed to axial trough 33 tops from movable pulley is installed in movable pulley installation axial trough 33, equally, when adjusting bracket 2 is installed, only back shaft 4 need be installed in adjustment hole 21 and back shaft 4 be installed to supports in axial trough 32 again.All be riveted on support body and compare with the installation shaft on existing pulley, it is higher that the pulley that the utility model provides has packaging efficiency, the feature that yield rate is high.
What be worth special instruction is, because the installation shaft in existing pulley is generally installed on support body by riveting process, at support body described in the process of riveted joint, need to bear larger impact force, therefore, support body generally adopts the metal material that intensity is higher to make, and is generally common steel or stainless steel.Nonetheless, described support body riveted joint process in often because of the stressed excessive damage that causes.And the utility model provides the back shaft 4 of pulley and movable pulley installation shaft 51 to be all installed on support axial trough 32 and the movable pulley installation axial trough 33 of offering on wheel carrier 3, therefore in the process of assembling, do not need to bear impact force, therefore described wheel carrier 3 and fixed mount 1 adopt the harder plastic cement of material to make in the present embodiment.Adopt after above technical scheme, described wheel carrier 3 and fixed mount 1 can adopt integrated Shooting Technique to make, and have not only significantly reduced the cost of manufacture of wheel carrier 3 and fixed mount, and have significantly reduced the weight of pulley, achieve many things at one stroke.
Refer to Fig. 1-8, described adjusting bracket 2 is provided with adjusting bracket support portion 22, the below of described adjusting bracket support portion 22 offers adjusting bracket mounting groove 23, described movable pulley installation shaft 51 is positioned at adjusting bracket mounting groove 23, described adjusting bracket support portion 22 is positioned at the top of pulley installation shaft 51, and the pressure that adjusting bracket 2 is born in this adjusting bracket support portion 22 is transmitted on movable pulley 51 by pulley installation shaft 51.
Refer to Fig. 1-8, described fixed mount 1 top offers two fixed mount installing holes 13, and this fixed mount 1 is detachably installed on back shaft 4.Specifically, described fixed mount 1 middle part is provided with a fixed mount installation portion 11, described fixed mount installation portion 11 is provided with fixed mount mounting groove 110, described fixed mount mounting groove 110 is roughly U-shaped, these fixed mount mounting groove 110 opening parts are provided with two flexure strips 111, the size of described fixed mount mounting groove 110 is more than or equal to the size of back shaft 4 diameters, and the distance between described flexure strip 111 is less than the size of back shaft diameter.
When wheel carrier 3 and adjusting bracket 2 are installed on fixed mount 1, only back shaft 4 need be moved to fixed mount mounting groove 110 places, firmly press pinch roller frame 3 and adjusting bracket 2, described back shaft 4 extruding two flexure strips 111 enter in fixed mount mounting groove 110, described two flexure strips 111 reset, described back shaft 4 is mounted in fixed mount mounting groove 110, and described wheel carrier 3 and adjusting bracket 2 are just mounted on fixed mount 1.If wheel carrier 3 and adjusting bracket 2 are disassembled from fixed mount 1, only need firmly take off wheel carrier and adjusting bracket 2, described back shaft 4 extruding two flexure strips 111 are deviate from from fixed mount mounting groove 110.
Adopt after above technical scheme, described fixed mount 1 can be done small size rotation centered by back shaft 4, is not subject to the interference of other component, the pressure of door and window evenly can be passed on two moving runners 5, guarantees the ride comfort that pulley slides.
In addition, during described installation pulley, can first with screw, will by fixed mount installing hole 13, fixed mount 1 be installed on to the bottom of door and window, after adjusting bracket 2 and wheel carrier 3 are installed on to fixed mount, be convenient to the installation of pulley.
In addition, described fixed mount 1 is each side provided with two stabilization 12, and described wheel carrier 1 is provided with gutter 34 on corresponding position, and described stabilization 12 is suitable with the size of gutter 34.In the time of on fixed mount 1 is installed on wheel carrier 3, described stabilization 12 is installed among gutter 34.Adopt after above technical scheme, when pulley slides on slide rail, described four stabilization 12 can be fixed on wheel carrier 3 and adjusting bracket 2 on fixed mount preferably, have effectively avoided the swing on fixed mount 1 of wheel carrier 3, adjusting bracket 2 to cause pulley slip ride comfort to reduce even from the derail generation of situation of slide rail.
Refer to Fig. 1-8, the bottom of described wheel carrier 3 is provided with a pulley stabilizer 35, and on described pulley stabilizer, 35 are provided with a gutter 351, and described gutter 351 is suitable with the slide rail that is positioned at pulley below.Described stabilizer 35 can be arranged at the middle part of wheel carrier 3, also can be arranged at the both sides of wheel carrier 3, is preferably disposed on the middle part of wheel carrier 3.Adopt after above technical scheme, described pulley stabilizer 35 can effectively avoid pulley to come off from slide rail, increases the stability that pulley slides.
Refer to Fig. 1-8, described height adjusting unit 6 comprises adjustment screw 61, adjusting nut 62 and adjustment screw mounting groove 612, described adjustment screw mounting groove 612 is opened in a side of wheel carrier 3, nut 611 in described adjustment screw 61 is installed in screw mounting groove 612, described adjusting nut 62 is fixedly installed on the nut installing hole 63 that adjusting bracket 2 is provided with, on this adjusting nut 62, offer screwed hole 621, the circular hole 25 that described adjustment screw 61 is offered through adjusting bracket 2 is threaded with regulating nut.
Refer to Fig. 5, adopt after above technical scheme, in the time of need to heightening height of pulley, only need rotation adjustment screw 61, described adjustment screw 61 pulls adjusting nut 62 and adjusting bracket 2 to move right, the back shaft 4 that described adjusting bracket 2 and adjustment hole 21 promote moves up at support axial trough 32, and described fixed mount 1 becomes large with the spacing of adjusting bracket 2, wheel carrier 3, and the whole height of described pulley increases simultaneously.While turning down height of pulley as need, rotate in the opposite direction adjustment screw 61.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a pulley, it is characterized in that: comprise wheel carrier, adjusting bracket, fixed mount, movable pulley, back shaft, movable pulley installation shaft and for the height adjusting unit of adjustable pulley height, described movable pulley is installed on wheel carrier by movable pulley installation shaft, described adjusting bracket middle part is provided with adjustment hole, described back shaft is installed on adjusting bracket on wheel carrier through adjustment hole, described height adjusting unit is positioned at a side of wheel carrier, on described wheel carrier, offer and support axial trough and movable pulley installation axial trough, described back shaft and movable pulley installation shaft are installed on respectively and support in axial trough and movable pulley installation axial trough.
2. a kind of pulley as claimed in claim 1, is characterized in that: described support axial trough and movable pulley are installed axial trough and be U-lag, and the top that described support axial trough and movable pulley are installed axial trough is U-shaped opening, and described U-shaped opening is positioned at the upper surface of wheel carrier.
3. a kind of pulley as claimed in claim 1 or 2, it is characterized in that: the quantity that described movable pulley, movable pulley installation shaft and movable pulley are installed axial trough is 2, the quantity of described back shaft, adjustment hole and support axial trough is 1, described adjustment hole is kidney-shaped inclined hole, described support axial trough is opened in the middle part of wheel carrier, described movable pulley is installed the both sides that axial trough is opened in wheel carrier, the two ends of described back shaft are installed on respectively to be supported in axial trough, and described movable pulley installation shaft two ends are installed on respectively movable pulley and install in axial trough.
4. a kind of pulley as claimed in claim 3, is characterized in that: described adjusting bracket is provided with adjusting bracket support portion, and the below of described adjusting bracket support portion offers adjusting bracket mounting groove, and described movable pulley installation shaft is positioned at adjusting bracket mounting groove.
5. a kind of pulley as claimed in claim 1, is characterized in that: described fixed mount is dismountable to be installed on back shaft.
6. a kind of pulley as claimed in claim 5, it is characterized in that: described fixed mount middle part is provided with a fixed mount installation portion, described fixed mount installation portion is provided with fixed mount mounting groove, described fixed mount mounting groove is U-shaped, this fixed mount mounting groove opening part is provided with two flexure strips, the size of described fixed mount mounting groove is more than or equal to the size of back shaft diameter, and the distance between described flexure strip is less than the size of back shaft diameter.
7. a kind of pulley as claimed in claim 1, is characterized in that: described fixed mount both sides are provided with stabilization, and described wheel carrier is provided with gutter, and described stabilization is installed among gutter, and the size of this stabilization and gutter is suitable.
8. a kind of pulley as claimed in claim 1, is characterized in that: the bottom of described wheel carrier is provided with a pulley stabilizer, and described pulley stabilizer is provided with a gutter, and described gutter is suitable with the slide rail that is positioned at pulley below.
9. a kind of pulley as claimed in claim 1, is characterized in that: described fixed mount and wheel carrier all adopt plastic material to make.
10. a kind of pulley as claimed in claim 1, it is characterized in that: described height adjusting unit comprises adjustment screw, adjusting nut and adjustment screw mounting groove, nut in described adjustment screw is installed in screw mounting groove, described adjusting nut is installed on adjusting bracket, and described adjustment screw is threaded with adjusting nut through adjusting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463728.9U CN203394229U (en) | 2013-07-22 | 2013-07-22 | Pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463728.9U CN203394229U (en) | 2013-07-22 | 2013-07-22 | Pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394229U true CN203394229U (en) | 2014-01-15 |
Family
ID=49905767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463728.9U Expired - Lifetime CN203394229U (en) | 2013-07-22 | 2013-07-22 | Pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203394229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362388A (en) * | 2013-07-22 | 2013-10-23 | 傅海 | Pulley |
-
2013
- 2013-07-22 CN CN201320463728.9U patent/CN203394229U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362388A (en) * | 2013-07-22 | 2013-10-23 | 傅海 | Pulley |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103362388B (en) | A kind of pulley | |
| CN201068724Y (en) | Shower room gate | |
| CN202500423U (en) | Upper hanging wheel for foldable doors and windows | |
| CN203394229U (en) | Pulley | |
| CN102747912B (en) | Limit assembly on movable door | |
| CN203257231U (en) | Built-in adjustment wheel applied to mobile door | |
| CN201581732U (en) | Improved pulley assembly of dodge gate for shower room | |
| CN202509924U (en) | Roller device with plastic clamping part for infinitely regulating door height | |
| CN206957438U (en) | A kind of door guide roller | |
| CN202359926U (en) | Door and window sliding wheel | |
| CN206346618U (en) | Sliding folding door guide pulley device | |
| CN202731517U (en) | Pulley | |
| CN201620684U (en) | Pulley gear for shower room door | |
| CN203213773U (en) | Automatic-adjusting idler wheel structure | |
| CN206346619U (en) | Foldable push and pull door and window hardware system | |
| CN205618015U (en) | Prevent rocking aluminum alloy sliding door | |
| CN203050332U (en) | Pulley | |
| CN202000847U (en) | Corner connector and pulley connecting structure | |
| CN202299826U (en) | Four-wheel pulley | |
| CN208484726U (en) | The smooth type regulating device of electric power-assisted steering tubular column | |
| CN206625709U (en) | A kind of shower house hanging wheel structure | |
| CN201273099Y (en) | Regulation pulley of plastic-steel door and window | |
| CN205221771U (en) | Conveyer belt closing device | |
| CN203978110U (en) | Four axles are fixed load-bearing pulley assembly | |
| CN214933136U (en) | Work or material rest is used in bearing roller production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140115 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |