CN209654559U - A kind of universal wheel - Google Patents
A kind of universal wheel Download PDFInfo
- Publication number
- CN209654559U CN209654559U CN201920084771.1U CN201920084771U CN209654559U CN 209654559 U CN209654559 U CN 209654559U CN 201920084771 U CN201920084771 U CN 201920084771U CN 209654559 U CN209654559 U CN 209654559U
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- bearing
- shaft
- universal wheel
- runner
- flexible axle
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Abstract
The utility model discloses a kind of universal wheels, it applies in pulley field, it solves pulley and is convenient for the technical issues of flexible axle is around own axis while changing flexible axle direction, its key points of the technical solution are that including shaft, the runner being rotatably connected in shaft, trapezoidal annular groove is offered on the runner, is circumferentially evenly equipped with several balls on three sides of the annular groove；Having the technical effect that for having facilitates flexible axle autobiography.
Description
Technical field
The utility model relates to pulley fields, more specifically, it relates to a kind of universal wheel.
Background technique
The flexible joining parts such as rope, flexible axle require to use universal wheel at inflection point, and universal wheel is to change rope, flexible axle direction
A kind of common workpiece.
It is different by tensile force since flexible axle is during stress, so that the transformation of flexible axle stress always, and
The power transient change that flexible axle is subject to is very big and the Impact direction moment is changing, so that when flexible axle is when lifting by crane thing, object
It is easy to rotate in the sky, can be distorted together so as to cause flexible axle, the surface of existing pulley is equipped with annular groove, when flexible axle is drawn
When power, the frictional force between flexible axle and annular groove becomes larger, so that flexible axle is stuck in annular groove, further such that hang with one end of weight
Flexible axle ceaselessly autobiography, and do not rotated with the flexible axle of the disjunct one end of weight, it can be distorted together so as to cause flexible axle single hop,
To increase the risk of flexible axle fracture, and the service life of serious curtailment flexible axle.Therefore, need to design it is a kind of facilitate flexible axle from
The pulley of biography, so that the equidirectional autobiography of the flexible axle at pulley both ends, so that flexible axle twists into together.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of universal wheel, convenient for flexible axle around
The axis rotation of itself, to reduce the risk of flexible axle fracture.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of universal wheel, including
Shaft, the runner being rotatably connected in shaft, offer trapezoidal annular groove on the runner, on three sides of the annular groove
Circumferentially it is evenly equipped with several balls.
Through the above technical solutions, the annular groove of T shape is for limiting rope or flexible axle, runner is rotatably connected in shaft,
To facilitate flexible joining part to change direction.Three sides of annular groove are equipped with ball, and ball can be rotated arbitrarily, to reduce soft
Frictional force between connector and annular groove further facilitates flexible axle around own axes autobiography, to prevent shaft from breaking because of autobiography
It splits.
The utility model is further arranged to: the runner includes the top of coaxial arrangement, middle part, lower part, the top
It is equipped with inclined-plane with lower part mirror image, the ball is separately positioned in the side wall at inclined-plane and the middle part.
Through the above technical solutions, runner is detachable, ball is assembled to top, lower part, in top to facilitate.
The utility model is further arranged to: it is equipped with counterbore along the direction perpendicular to the inclined-plane in the inclined-plane, it is described
T shape column is threaded in counterbore, the ball is embedded in the T shape column.
Through the above technical solutions, T shape male screw is connected in counterbore, it is convenient for changing ball first, secondly can adjust T
Shape column position in counterbore, progress guarantees that distance outstanding is all identical between same horizontally-arranged ball, so that each ball
It being capable of uniform stress.
The utility model is further arranged to: the top and bottom of the runner offer bearing hole, the bearing
Outer ring is interference fitted in the bearing hole, and the inner ring of the bearing is interference fitted in the connection.
Through the above technical solutions, the setting of bearing facilitates runner own rotation around the shaft, to more preferably change flexible axle
Impact direction, so that being rolling friction between flexible axle and shaft rather than sliding friction.
The utility model is further arranged to: limiting slot offered in the bearing hole, is equipped with snap ring in the limiting slot,
The snap ring is contradicted in the upper surface of the bearing.
Through the above technical solutions, snap ring is arranged in limiting slot, snap ring is for preventing bearing to be detached from from bearing hole.
The utility model is further arranged to: the lower end of the shaft is equipped with the step for limiting the bearing inner race,
It is equipped with limit sleeve positioned at the upper end of the bearing in the shaft, is threaded in the shaft for bearing to be pressed on institute
State the nut between step and the limit sleeve.
Through the above technical solutions, the setting of step and nut, so that the axis on top, middle part, lower part and runner both ends
Hold and be clamped between step and nut so that runner can either easily rotate around the axis, and can prevent top, in
It is separated between portion, lower part, it is ensured that runner is always an entirety.
The utility model is further arranged to: the top and bottom at the middle part are equipped with locating slot, under the top
The upper end of end and the lower part is respectively equipped with the positioning convex ring with the positioning grass cooperation.
Through the above technical solutions, in the locating slot at the bulge loop cooperation middle part of lower part, it is ensured that middle part is coaxial with lower part, top
Bulge loop and locating slot cooperate, so that it is guaranteed that middle part is coaxial with top, so that it is guaranteed that top, middle part, top are coaxial.
The utility model is further arranged to: the shaft lower end is equipped with L shaped plate, and the L shaped plate is equipped with mounting hole.
Through the above technical solutions, L shaped plate is fixedly connected with shaft, L shaped plate, which facilitates, is fixed on needs for shaft and runner
The place used avoids directly connecting shaft with other objects, shaft is caused to be difficult to dismantle and replace.Peace is set in L shaped plate
Hole is filled, facilitates the installation of L shaped plate, while facilitating the disassembly of L shaped plate.
In conclusion the utility model has the following beneficial effects:
1, the setting of three face balls, while runner being cooperated to rotate around the axis, facilitate the movement and the rotation of itself of flexible axle；
2, bearing setting so that runner rotate around the axis it is more smooth, and nut and step cooperation can guarantee runner
Stable operation, is able to bear and teaches intensity and revolving speed.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the present embodiment.
Fig. 2 is the structural schematic diagram of the explosion of the present embodiment.
Fig. 3 is the internal view of the present embodiment.
Appended drawing reference: 1, shaft；11, step；12, nut；13, limit sleeve；2, runner；21, top；22, middle part；23,
Lower part；24, annular groove；25, inclined-plane；26, limiting slot；27, snap ring；28, bulge loop；29, locating slot；3, bearing hole；31, bearing；4,
Ball；41, T shape column；42, counterbore；5, L shaped plate；51, mounting hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: referring to Fig. 1 and Fig. 2, and a kind of universal wheel turns including shaft 1, the runner being rotatably connected in shaft 12
Wheel 21 can rotate around the shaft, to can either change the direction of motion of flexible axle, and flexible axle can be facilitated mobile.On runner 2
The section of annular is opened up into trapezoidal annular groove 24, annular groove 24 is for limiting flexible axle.Ball is embedded in three sides of annular groove 24
4, ball 4 is axial to be evenly arranged in annular groove 24, and the ball 4 of three row of upper, middle and lower in annular groove 24 corresponds, thus to soft
Axle clamp is held, and when flexible axle autobiography, ball 4 can reduce the friction between flexible axle and annular groove 24, so that flexible axle is better certainly
It passes.
Referring to figs. 2 and 3, runner 2 includes lower part 23, middle part 22 and top 21, in the lower end and lower part 23 on top 21
Upper end is respectively provided with inclined-plane 25, and there are two the side walls at inclined-plane 25 and middle part 22 to constitute for three side walls of annular groove 24.Ball 4 is respectively set
In top 21, middle part 22 and top 21.Bearing hole 3 is set in the upper surface on top 21, interference fit has bearing in 3 hole of bearing hole
31, the inner ring of bearing 31 is interference fitted in shaft 1；Bearing hole 3 is also processed in the lower surface of lower part 23, the interference in bearing hole 3
Fitted bearing 31, the inner ring and shaft 1 of bearing 31 are interference fitted.In this way setting facilitate runner 2 around the shaft 1 axis rotation.In
Limiting slot 26 is opened up in the bearing hole 3 of top 21 and lower part 23, snap ring 27 is set in limiting slot 26, and snap ring 27 is for limiting
On the side wall of the outer ring of bearing 31, snap ring 27 and bearing 31, play the role of that bearing 31 is prevented to be detached from from bearing hole 3.Turning
Step 11 is arranged in the lower end of axis 1, and the inner ring of the bearing 31 of lower part 23 contradicts on step 11；In the upper end of the bearing 31 on top 21
Nut 12 is set, nut 12 is threaded in shaft 1, nut 12 by the inner ring of bearing 31 it is low it is tight live.Nut 12 and step 11
Cooperation, top 21, middle part 22, lower part 23 is firmly pressed together, so that runner 2 is with good stability.In
Limit sleeve 13 is set between nut 12 and bearing 31, and limit sleeve 13 contradicts on the inner ring of bearing 31, avoids nut 12 and bearing
31 directly contact.
Referring to figs. 2 and 3, the upper end setting in the lower end and lower part 23 on top 21 is respectively provided with bulge loop 28, at middle part 22
Locating slot 29 is arranged in upper and lower ends, and bulge loop 28 cooperates in locating slot 29.Ensure that middle part is 22 coaxial with lower part 23, middle part 22 with it is upper
Portion 21 is coaxial, ensures that top 21, middle part 22, top 21 are coaxial indirectly.So that the ball 4 of same vertical setting of types can connect with flexible axle
Touching, it is ensured that uniform force.
Referring to figs. 2 and 3, counterbore 42 is set along the direction perpendicular to inclined-plane 25 on top 21, screw thread connects in counterbore 42
T shape column 41 is connect, is embedded ball 4 in the butt end of T shape column 41；At middle part 22, counterbore 42 is arranged in the radial direction along middle part 22, heavy
It is equally threadedly coupled T shape column 41 in hole 42, is embedded ball 4 in the butt end of T shape column 41；Counterbore 42 and T shape column 41 on lower part 23
It is identical as top 21.In this way, adjust each ball 4 can, so that it is guaranteed that between same horizontally-arranged ball 4
Distance outstanding is all identical so that each ball 4 can uniform stress, and be convenient for changing ball 4.
With reference to Fig. 1, L shaped plate 5 is set in the lower end of shaft 1, shaft 1 is fixed on L shaped plate 5, L shaped plate 5 and the fixed company of shaft 1
It connects, L shaped plate 5, which facilitates for shaft 1 and runner 2 to be fixed on, needs place to be used, avoids directly connecting shaft 1 and other objects
It connects, shaft 1 is caused to be difficult to dismantle and replace.Mounting hole 51 is set in L shaped plate 5, facilitates the installation of L shaped plate 5, while facilitating L shape
The disassembly of plate 5
Installation process: T shape column 41 is assembled in top 21, lower part 23 and middle part 22 first；Then bearing 31 is assembled
It is limited into top 21 and lower part 23 and with snap ring 27；Then lower part 23, middle part 22, top 21 are successively assembled to shaft 1
On；Finally limit sleeve 13 and nut 12 are assembled in shaft 1 and clamp top 21, middle part 22, lower part 23.Runner 2 and turn
Shaft 1 is welded in L shaped plate 5 by axis 1 after installing, and completes assembly.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of universal wheel, including shaft (1), the runner (2) being rotatably connected on shaft (1), which is characterized in that the runner
(2) it is offered on trapezoidal annular groove (24), it is circumferential on three sides of the annular groove (24) to be evenly equipped with several balls (4).
2. a kind of universal wheel according to claim 1, which is characterized in that the runner (2) includes the top of coaxial arrangement
(21), middle part (22), lower part (23), the top (21) and lower part (23) mirror image are equipped with inclined-plane (25), and the ball (4) is respectively
It is arranged in the side wall of inclined-plane (25) and the middle part (22).
3. a kind of universal wheel according to claim 2, which is characterized in that along perpendicular to the inclined-plane in the inclined-plane (25)
(25) direction is equipped with counterbore (42), is threaded with T shape column (41) in the counterbore (42), the ball (4) is embedded in institute
It states in T shape column (41).
4. a kind of universal wheel according to claim 1, which is characterized in that the top and bottom of the runner (2) open up
Have bearing hole (3), the outer ring of the bearing (31) is interference fitted in the bearing hole (3), the inner ring mistake of the bearing (31)
Cooperation be full of in the shaft (1).
5. a kind of universal wheel according to claim 4, which is characterized in that offer limiting slot in the bearing hole (3)
(26), snap ring (27) are equipped in the limiting slot (26), the snap ring (27) contradicts in the upper surface of the bearing (31).
6. a kind of universal wheel according to claim 5, which is characterized in that the lower end of the shaft (1) is equipped with for limiting
The step (11) of bearing (31) inner ring, the upper end that the bearing (31) are located on the shaft (1) are equipped with limit sleeve (13),
It is threaded on the shaft (1) for bearing (31) to be pressed between the step (11) and the limit sleeve (13)
Nut (12).
7. a kind of universal wheel according to claim 2, which is characterized in that the top and bottom of the middle part (22) are equipped with
Locating slot (29), the lower end of the top (21) and the upper end of the lower part (23) are respectively equipped with to be cooperated with the locating slot (29)
Positioning convex ring (28).
8. a kind of universal wheel according to claim 1, which is characterized in that shaft (1) lower end is equipped with L shaped plate (5), institute
L shaped plate (5) are stated equipped with mounting hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084771.1U CN209654559U (en) | 2019-01-17 | 2019-01-17 | A kind of universal wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084771.1U CN209654559U (en) | 2019-01-17 | 2019-01-17 | A kind of universal wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654559U true CN209654559U (en) | 2019-11-19 |
Family
ID=68521554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920084771.1U Active CN209654559U (en) | 2019-01-17 | 2019-01-17 | A kind of universal wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383538A (en) * | 2020-04-10 | 2020-07-07 | 武汉华星光电半导体显示技术有限公司 | Flexible display device can curl |
| CN114049841A (en) * | 2021-11-15 | 2022-02-15 | 合肥维信诺科技有限公司 | Curling and unfolding mechanism and flexible display device |
-
2019
- 2019-01-17 CN CN201920084771.1U patent/CN209654559U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383538A (en) * | 2020-04-10 | 2020-07-07 | 武汉华星光电半导体显示技术有限公司 | Flexible display device can curl |
| CN111383538B (en) * | 2020-04-10 | 2021-05-07 | 武汉华星光电半导体显示技术有限公司 | Flexible display device can curl |
| WO2021203465A1 (en) * | 2020-04-10 | 2021-10-14 | 武汉华星光电半导体显示技术有限公司 | Rollable flexible display device |
| US11406030B2 (en) * | 2020-04-10 | 2022-08-02 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Rollable flexible display device |
| CN114049841A (en) * | 2021-11-15 | 2022-02-15 | 合肥维信诺科技有限公司 | Curling and unfolding mechanism and flexible display device |
| CN114049841B (en) * | 2021-11-15 | 2023-12-22 | 合肥维信诺科技有限公司 | Crimping and unfolding mechanism and flexible display device |
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