CN204386322U - A kind of Rail Door pulley assembly - Google Patents
A kind of Rail Door pulley assembly Download PDFInfo
- Publication number
- CN204386322U CN204386322U CN201420475820.1U CN201420475820U CN204386322U CN 204386322 U CN204386322 U CN 204386322U CN 201420475820 U CN201420475820 U CN 201420475820U CN 204386322 U CN204386322 U CN 204386322U
- Authority
- CN
- China
- Prior art keywords
- retainer
- pulley
- rail door
- swing arm
- pivot
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of Rail Door pulley assembly, it comprises: retainer, is arranged on the pivot on retainer, the first pulley spindle, the second pulley spindle, is arranged on two pulleys on first, second pulley spindle, has the coupling assembling of junction plate and swing arm; The first end of swing arm stretches into the spacing edge-cut of retainer top board, and by pivot and retainer pivot joint, swing arm swings around retainer by spacing edge-cut restriction; Owing to having installed two pulleys on retainer, and between Rail Door body and retainer, swing arm is installed, thus makes retainer drive two pulleys can swing (pivot angle size is limited by spacing edge-cut) in certain angle on the vertical plane; When the depression run on track or projection, corresponding swing done by two pulleys, thus smoothly through depression or protruding, can reduce retainer and drive jolting of Rail Door body generation, make Rail Door body easy motion in orbit.
Description
Technical field
The utility model relates to a kind of pulley assembly, particularly relates to a kind of Rail Door pulley assembly.
Background technology
Rail Door opens and closes advantage be easily arranged on the doorway of various place, enterprises and institutions widely because it has, and Rail Door is that the pulley assembly by being arranged on Rail Door body bottom portion realizes the opening and closing of Rail Door along non-orbiting scroll.As shown in Figure 1, Rail Door pulley assembly 30 of the prior art generally includes a U-shaped retainer 31, and the rotating pulley 32 be arranged on U-shaped retainer 31, the top board of U-shaped retainer 31 is fixedly connected with bottom Rail Door body 20 by securing member, pulley 32 is chimeric with guide rail 10, and rolls to drive Rail Door along rail moving on guide rail 10.The defect of this pulley assembly is:
First, because U-shaped retainer has only installed a pulley rolled in orbit, and pulley assembly is rigidly connected by U-shaped retainer and Rail Door body bottom portion, when the depression that pulley produces because of some reason on track or protruding time, pulley can drive Rail Door body suddenly decline or rise, and makes it produce and jolts.
Secondly, when pulley be not roll on track linearly time, because U-shaped retainer or slide rail do not have spinfunction in the horizontal direction, make pulley can not be well chimeric with guide rail, thus pulley driving Rail Door body also can produce and jolt, and accelerates the wearing and tearing of pulley or guide rail.
Moreover, or because pulley assembly and Rail Door body bottom portion are rigidly connected, for making pulley assembly install accurately, need pulley assembly to have very high design, processing, installation accuracy, this can be time-consuming, and raise the cost.
Utility model content
For the above-mentioned defect existed in prior art, the utility model provides a kind of adaptable, there is the Rail Door pulley assembly of flexible structure, this Rail Door pulley assembly can effectively reduce pulley through track depression or protruding time, what drive Rail Door to produce jolts.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of Rail Door pulley assembly, be arranged between Rail Door body and track, described Rail Door pulley assembly comprises: retainer, described retainer comprises top board and is connected to the side plate on limit, described top board two opposite sides, described top board and biside plate surround downward opening U-shaped, and the middle part of described top board offers the spacing edge-cut of through described top board; Pivot, the first pulley spindle and the second pulley spindle, on the biside plate being assemblied in described retainer that described pivot, the first pulley spindle and the second pulley spindle are parallel mutually, described pivot is positioned at the below of described stopper slot, the axisymmetric both sides being positioned at described pivot of described first pulley spindle, the second pulley; Two pulleys, described two pulleys are rotating to be respectively assemblied on described first and second pulley spindles and between biside plate; Coupling assembling, described coupling assembling comprises swing arm and junction plate, and the first end of described swing arm stretches into described spacing edge-cut, and by described pivot and described retainer pivot joint, described swing arm swings around described retainer by described spacing edge-cut restriction; Described swing arm is vertical with described junction plate to be arranged, and its second end is connected with described junction plate, and described junction plate is fixedly connected with described Rail Door body.
Preferably, the second end end face of described swing arm offers centre bore, and described junction plate is fixedly connected with inserting column, and described inserting column is arranged in described centre bore that described swing arm is rotating to be connected on described inserting column to make.
Preferably, the axle center of described pivot is lower than the peak of pulley outer rim described in two.
Preferably, dottle pin is provided with between described junction plate and described swing arm.
Preferably, the cross section of wheel face that coordinates with described track of described pulley is V-shaped or U-shaped.
Compared with prior art, the beneficial effect of Rail Door pulley assembly of the present utility model is: owing to having installed two pulleys on retainer, and between Rail Door body and retainer, swing arm is installed, thus retainer is made to drive two pulleys can swing (pivot angle size is limited by spacing edge-cut) in certain angle on the vertical plane; When the depression run on track or projection, corresponding swing done by two pulleys, thus smoothly through depression or protruding, can reduce retainer and drive jolting of Rail Door body generation, make Rail Door body easy motion in orbit.
In addition, the coupling assembling of Rail Door pulley assembly of the present utility model comprises swing arm and junction plate, the inserting column of junction plate inserts the centre bore of swing arm, and can rotate by opposing oscillatory bar, thus make retainer drive two pulleys can rotate by relative orbit door body in horizontal plane, when run into guide rail not linearly situation time, retainer adjusts by horizontally rotating, make two pulleys and track better chimeric, and roll along track bearing of trend, thus Rail Door body linearly track also can not operated steadily.
In a word, Rail Door pulley assembly of the present utility model is because have flexible connecting structure, thus enhance the compliance of moving in orbit, also just because of this flexible structure, make its design, processing, manufacture and installation accuracy less demanding, install easily, thus save the time, decrease cost.
Accompanying drawing explanation
Fig. 1 is that the pulley assembly of prior art is arranged on Rail Door body and interorbital structural representation;
Fig. 2 is the explosive view of Rail Door pulley assembly of the present utility model;
Fig. 3 is the partial sectional view of Rail Door pulley assembly of the present utility model;
Fig. 4 is the structural representation at a visual angle of Rail Door pulley assembly of the present utility model;
Fig. 5 is that Rail Door pulley assembly of the present utility model is arranged on Rail Door body and interorbital structural representation.
Detailed description of the invention
For making those skilled in the art better understand the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 2, an embodiment of the present utility model discloses a kind of Rail Door pulley assembly 40, this Rail Door pulley assembly 40 comprises: retainer 41, pivot 42, first pulley spindle 43, second pulley spindle 44, two pulley 45 and coupling assembling 46, this retainer 41 comprises top board and is connected to the side plate on limit, top board two opposite sides, top board and biside plate surround downward opening U-shaped, and the middle part of top board offers the spacing edge-cut 411 of through top board; On the biside plate being assemblied in retainer 41 that pivot 42, first pulley spindle 43 is parallel mutually with the second pulley spindle 44, pivot 42 is positioned at the below of spacing edge-cut 411, the both sides being positioned at pivot 42 of the first pulley spindle 43, second pulley spindle 44 symmetry; Two pulleys 45 are rotating to be respectively assemblied on the first pulley spindle 43 and the second pulley spindle 44 and between biside plate; Coupling assembling 46 comprises swing arm 463 and junction plate 461, and the first end of swing arm 463 stretches into spacing edge-cut 411, and by pivot 42 and retainer 41 pivot joint, swing arm swings around retainer 41 by spacing edge-cut restriction; Swing arm 463 is vertical with junction plate 461 to be arranged, and its second end is connected with junction plate 461, and junction plate 461 is fixedly connected with Rail Door body 20.Retainer 41 in Rail Door pulley assembly 40 of the present utility model is shaping by sheet metal bending, and welding also can be adopted shaping.The fixed form of two pulleys 45 of Rail Door pulley assembly 40 of the present utility model is identical with pulley 32 fixed form of Rail Door pulley assembly 40 of the prior art: arrange two bearings 48 in pulley 45 both sides, the outside of bearing 48 reclines a back-up ring 47, then they are embedded together in the biside plate of retainer 41, again by the first pulley spindle 43, second pulley spindle 44 is connected on retainer 41, finally by nut 49 and the first pulley spindle 43, the external screw thread of second pulley spindle 44 one end coordinates, by the first pulley spindle 43, second pulley spindle 44 is fastened on retainer 41, when installing swing arm 463, at the first end of swing arm 463, namely recline two with the both sides of the pivot end of pivot 42 and prevent the spacer 465 of swing arm 463 both sides play, be fixed on retainer 41 by nut 49 with the pivot 42 of swing arm 463 pivot joint.
As shown in Figure 3, owing to having installed two pulleys 45 on retainer 41, and between Rail Door body 20 and retainer 41, swing arm 463 is installed, thus retainer 41 is made to drive two pulleys 45 can swing (pivot angle α size is limited by spacing edge-cut 411) in certain angle on the vertical plane; When the depression run on track 10 or protruding time, corresponding swing done by two pulleys 45, thus can smoothly through depression or protruding, and what reduce that retainer 41 drives Rail Door body 20 to produce jolts, and makes Rail Door body 20 easy motion on track 10.
Can roll stably on not track 10 linearly for making to be fixed on Rail Door pulley assembly 40 bottom Rail Door body 20, as shown in Figure 2, second end end face of the swing arm 463 of Rail Door pulley assembly 40 of the present utility model offers centre bore 464, junction plate 461 is fixedly connected with inserting column 462, and inserting column 462 is rotating to be arranged in centre bore 464.As shown in Figure 4, swing arm 463 rotates in the horizontal direction relative to junction plate 461, thus make retainer 41 drive two pulleys 45 can rotate by relative orbit door body 20 in horizontal plane, when run into track 10 not linearly situation time, retainer 41 adjusts by horizontally rotating, make two pulleys 45 better chimeric with track 10, and roll along track 10 bearing of trend, thus Rail Door body 20 also can be operated steadily on not track 10 linearly, in addition, drive junction plate 461 to produce greater impact to swing arm 463 upper end in vertical direction for preventing Rail Door body 20 damage to make swing arm 463 or be out of shape, dottle pin 466 is set between swing arm 463 and junction plate 461.
As shown in Fig. 3, Fig. 5, the fulcrum that be equivalent to Rail Door pulley assembly 40 actual in the pivot 42 of swing arm 463 pivot joint, on the pivot 42, pivot 42 is less relative to the height of track 10 for the Gravitative Loads of Rail Door body 20, and Rail Door pulley assembly 40 runs more steady.Therefore, more steady in order to make Rail Door body 20 be run on track 10 by Rail Door pulley assembly 40, in the position of retainer 41 as far as possible on the lower, in a preferred embodiment, the axle center of pivot 42 is lower than the peak of two pulley 45 outer rims for pivot 42.For coordinating the track of V-type or U-shaped cross section, the wheel face correspondence of pulley 45 arranges V-shaped or U-shaped.
Claims (5)
1. a Rail Door pulley assembly, is arranged between Rail Door body and track, it is characterized in that, comprising:
Retainer, described retainer comprises top board and is connected to the side plate on limit, described top board two opposite sides, and described top board and biside plate surround downward opening U-shaped, and the middle part of described top board offers the spacing edge-cut of through described top board;
Pivot, the first pulley spindle and the second pulley spindle, on the biside plate being assemblied in described retainer that described pivot, the first pulley spindle and the second pulley spindle are parallel mutually, described pivot is positioned at the below of described stopper slot, the axisymmetric both sides being positioned at described pivot of described first pulley spindle, the second pulley;
Two pulleys, described two pulleys are rotating to be respectively assemblied on described first and second pulley spindles and between biside plate;
Coupling assembling, described coupling assembling comprises swing arm and junction plate, and the first end of described swing arm stretches into described spacing edge-cut, and by described pivot and described retainer pivot joint, described swing arm swings around described retainer by described spacing edge-cut restriction; Described swing arm is vertical with described junction plate to be arranged, and its second end is connected with described junction plate, and described junction plate is fixedly connected with described Rail Door body.
2. Rail Door pulley assembly according to claim 1, it is characterized in that, second end end face of described swing arm offers centre bore, and described junction plate is fixedly connected with inserting column, and described inserting column is arranged in described centre bore that described swing arm is rotating to be connected on described inserting column to make.
3. Rail Door pulley assembly according to claim 1, is characterized in that, the axle center of described pivot is lower than the peak of pulley outer rim described in two.
4. Rail Door pulley assembly according to claim 2, is characterized in that, is provided with dottle pin between described junction plate and described swing arm.
5. Rail Door pulley assembly according to claim 1, is characterized in that, the cross section of the wheel face that described pulley coordinates with described track is V-shaped or U-shaped.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475820.1U CN204386322U (en) | 2014-08-21 | 2014-08-21 | A kind of Rail Door pulley assembly |
| HK15108101.2A HK1216211A2 (en) | 2014-08-21 | 2015-08-20 | A roller assembly for track sliding gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475820.1U CN204386322U (en) | 2014-08-21 | 2014-08-21 | A kind of Rail Door pulley assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386322U true CN204386322U (en) | 2015-06-10 |
Family
ID=53359053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420475820.1U Expired - Fee Related CN204386322U (en) | 2014-08-21 | 2014-08-21 | A kind of Rail Door pulley assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204386322U (en) |
| HK (1) | HK1216211A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277743A (en) * | 2018-03-29 | 2018-07-13 | 徐工集团工程机械有限公司 | A kind of V-type Wheels group arrangement of bridge inspection vehicle |
-
2014
- 2014-08-21 CN CN201420475820.1U patent/CN204386322U/en not_active Expired - Fee Related
-
2015
- 2015-08-20 HK HK15108101.2A patent/HK1216211A2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277743A (en) * | 2018-03-29 | 2018-07-13 | 徐工集团工程机械有限公司 | A kind of V-type Wheels group arrangement of bridge inspection vehicle |
| CN108277743B (en) * | 2018-03-29 | 2019-11-01 | 徐工集团工程机械有限公司 | A kind of V-type Wheels group arrangement of bridge inspection vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1216211A2 (en) | 2016-10-21 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 |