CN208935268U - A kind of damping due to rotation structure - Google Patents
A kind of damping due to rotation structure Download PDFInfo
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- CN208935268U CN208935268U CN201821826828.2U CN201821826828U CN208935268U CN 208935268 U CN208935268 U CN 208935268U CN 201821826828 U CN201821826828 U CN 201821826828U CN 208935268 U CN208935268 U CN 208935268U
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- support base
- ring
- rotation
- hole
- axle bed
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Abstract
A kind of damping due to rotation structure of the utility model, including installation axle bed and around the support base of installation axle bed rotation, overall structure is constituted by installation axle bed and support base in structure, overall structure is simple, it is easy to make and at low cost, there is a locating shaft on installation axle bed, by being provided with unilateral bearing on locating shaft, and it is sleeved on friction plate and adjusting ring outside single-bearing, protruding block is additionally provided on adjusting ring, on the one hand protruding block can be used as supporting point when support base rotation, on the other hand the suitable of support base can be completed to control to adjust the elasticity of ring by adjusting protruding block, reverse rotation, so that easy to operate and improve service life by mechanical damping.
Description
Technical field
The utility model relates to a kind of transit equipments to damp rotation accessory, and in particular to a kind of damping due to rotation structure.
Background technique
Damping due to rotation structure covers multiple fields using extensively present, this damping knot when for aircraft, high column
Structure is chiefly used in the bottom of the mounting base of built-in dining table or video runing rest, and uses in currently used damping due to rotation structure
Steel installs axle bed, and both ends of the surface are respectively provided with friction plate, and wherein rotary shaft side dress locked spacer, disc spring, locking nut etc. are
Column component constitute, dining table or video runing rest by being rotated around installation axle, in rotary course by the elastic force of butterfly spring come
A motion-impeding resistance is set, to achieve the effect that damping rotation, since the long-term stress of butterfly spring is held in this structure
Easily-deformable and deformation of following the string, reduces the service life of this structure, also reduces the rotates effe of damping structure.
Utility model content
The utility model aiming at the shortcomings in the prior art, provides a kind of damping due to rotation structure, the damping due to rotation structure
Solves the technical problem that rotational life in the prior art is short, structure is complicated and cost of manufacture is high.
The problem of the utility model, is not limited to purpose mentioned above, the utility model technical field it is general
Logical technical staff can be expressly understood that unmentioned other problems according to following contents.
The technical solution of the utility model is as follows: a kind of damping due to rotation structure, including installs axle bed and revolve around installation axle bed
The support base turned has a bar shaped locating shaft towards support base along support base rotation axis on the installation axle bed, locating shaft just
It is machined with a positioning hole on the installation axle bed of lower section, is fixed with a spacer pin in positioning hole, it is described fixed that the spacer pin passes through
The rotation angle for limiting support base is simultaneously inserted into the arc-shaped limit hole concentric with support base inner hole in position hole, is being close to installation axle
The locating shaft of seat side is mounted in unilateral bearing；
Mounting structure of the unilateral bearing on support base are as follows: from interior to successively covering outward on the outer ring of unilateral bearing
Equipped with non-enclosed ring-shaped friction lining and cover the adjusting ring outside friction plate；The friction plate is to have the non-close of fracture cyclic annular
Structure, and the contraction clamping by adjusting ring is so that friction plate is collapsed unilateral bearing banding；The adjusting ring is fracture knot
The non-close of structure is cyclic annular, and is respectively arranged at the both ends for adjusting ring incision position and tenses the protruding block collapsed by bolt；Protrusion
Block protrudes on the inner wall of the support base inner hole to be inlayed in the notch of cooperation with protruding block, and is corresponded to outer wall with support base inner hole
The adjusting bolt of setting passes through, by loosening, tighten the adjusting bolt and making adjusting ring contraction friction plate and banding unilateral bearing, with
So that obtaining suitable damping due to rotation when workpiece reverse reclamation, pass through gasket and lock in the rear end that locating shaft stretches out support base inner ring
Tight nut is fixed.
Further, the arc length in the arc-shaped limit hole can guarantee that support base is able to rotate 90 degree, and protrude into limit hole
Spacer pin can turn to limit bore ends and blocked.
Further, the inner wall of the support base inner hole by adjust ring can completely include, and loosen, tighten the adjusting bolt with
Support base is withdrawn to suitable damping due to rotation is obtained after the frictional force of unilateral bearing so that adjusting ring and changing friction plate.
Further, roller or ball bearing can be used in the unilateral bearing.
Further, in ladder shaft-like, ladder shaft portion is inserted for one end that the adjusting bolt is matched with the protruding block
Enter in the hole on the protruding block and the step surface of multi-diameter shaft is contacted with the orifice end extruding on protruding block.
The utility model has the beneficial effects that the utility model constitutes whole knot by installation axle bed and support base in structure
Structure, overall structure is simple, easy to make and at low cost, has a locating shaft on installation axle bed, by being provided with list on locating shaft
To bearing, and the friction plate and adjusting ring that are sleeved on outside single-bearing, protruding block, one side of protruding block are additionally provided on adjusting ring
Face can be used as supporting point when support base rotation, and the elasticity of ring is on the other hand controlled to adjust by adjusting protruding block
The reverse damping for completing support base rotates, so that easy to operate and improve service life by mechanical damping.
Detailed description of the invention
Fig. 1 is that the utility model assembles explosive view
Fig. 2 is the utility model front view
Fig. 3 is sectional view along A-A in Fig. 2
Fig. 4 is rotation schematic diagram before the utility model rotation
Fig. 5 is schematic diagram after the utility model rotation
Component label instructions: spacer pin 1, unilateral bearing 3, friction plate 4, adjusts ring 5, support base 6, adjusts installation axle bed 2
Bolt 7, gasket 8, fastening nut 9, limit hole 10, locating shaft 11, protruding block 12, location hole 13.
Specific embodiment
It elaborates with reference to the accompanying drawing to the utility model.
As shown in Figure 1-3, a kind of damping due to rotation structure, including installation axle bed 2 and the support base 6 rotated around installation axle bed 2,
There is a bar shaped locating shaft 11 towards support base 6 along 6 rotation axis of support base on the installation axle bed 2, in the underface of locating shaft 11
Installation axle bed 2 on be machined with a positioning hole 13, be fixed with a spacer pin 1 in location hole 13, the spacer pin 1 passes through described
Location hole 13 is simultaneously inserted into the arc-shaped limit hole 10 concentric with 6 inner hole of support base the rotation angle for limiting support base 6, tight
The locating shaft 11 of patch installation 2 side of axle bed is mounted in unilateral bearing 3.
Mounting structure of the unilateral bearing 3 on support base 6 are as follows: on the outer ring of unilateral bearing 3 from it is interior to outward according to
It is secondary to be set with non-enclosed ring-shaped friction lining 4 and cover the adjusting ring 5 outside friction plate 4；The friction plate 4 is to have the non-of fracture
Closed circular structure, and the contraction clamping by adjusting ring 5 is so that friction plate 4 is collapsed 3 banding of unilateral bearing；The adjusting
Ring 5 is that the non-close of fracture texture is cyclic annular, and is respectively arranged at the both ends for adjusting 5 incision position of ring and tenses gathering by bolt
Protruding block 12；Protruding block 12 protrudes on the inner wall of 6 inner hole of support base to be inlayed in the notch of cooperation with protruding block 12, and by with
The adjusting bolt 7 that 6 inner hole of support base corresponds to outer wall setting passes through, and to adjust the contraction of 5 rings by loosening, tighten the adjusting bolt 7
Friction plate 4 and banding unilateral bearing 3 stretch out so that obtaining suitable damping due to rotation when workpiece reverse reclamation in locating shaft 11
The rear end of 6 inner ring of support base is fixed by gasket 8 and locking nut.It is tightened when need to use by the way that bolt 7 will be adjusted
Unilateral bearing 3 can be driven by rotational support seat 6 by making friction plate 4 compress unilateral bearing 3 under the action of its gathering
Rotation, and the direction of the rotation of unilateral bearing 3 is that a unidirectional direction freely turn round when in use, and loosens, tighten tune
Section bolt 7 is received so that adjusting ring 5 and changing friction plate 4 to suitable damping due to rotation effect is obtained after the frictional force of unilateral bearing 3
Return support base 6.
Further, the arc length in the arc-shaped limit hole 10 can guarantee that support base 6 is able to rotate 90 degree, and protrude into limit
The spacer pin 1 in hole 10 can be blocked turning to 10 end of limit hole.Controlled by radian size rotation angle this
Sample makes structure simple, and rotates smooth.
Further, as illustrated in figures 4-5, the inner wall of 6 inner hole of support base can be completely included ring 5 is adjusted, and be loosened, tighten
Bolt 7 is adjusted so that adjusting ring 5 changes friction plate 4 to obtaining suitable damping due to rotation effect after the frictional force of unilateral bearing 3
Support base 6 is withdrawn, realizes recycling effect.
Further, roller or ball bearing can be used in the unilateral bearing 3.
Further, one end that the adjusting bolt 7 is matched with the protruding block 12 is in ladder shaft-like, ladder shaft portion
In the hole being inserted on the protruding block 12 and the step surface of multi-diameter shaft is contacted with the orifice end extruding on protruding block 12.It ensure that
It turns to adjust ring 5 when adjusting bolt 7 and collapse to tense or relax and open.
Hereinafter, being illustrated to the effect of the embodiment constituted in the above described manner:
A kind of damping due to rotation structure of the utility model, including installation axle bed 2 and around installation axle bed 2 rotate support base 6,
Shown in concrete composition component and position (such as Fig. 1).Its working principle is that controlling to adjust ring 5 by adjusting bolt 7 is adjusted
Elasticity, and then come realize support base 6 damping rotation.Specified operational procedure: mechanism is fixed by installing axle bed 2
Come, then will be mounted on support base 6 using workpiece, when needing normal use application workpiece, by unilateral bearing 3 with up time
Needle direction is freely rotated to needing normal use position；When withdrawing, to adjust ring 5 and shrink to change by loosening, tighten adjusting bolt 7
Become friction plate 4 to the frictional force of unilateral bearing 3, to initial position, this completes entire for damping rotation in a counterclockwise direction
Mechanism using and withdrawing.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of damping due to rotation structure, which is characterized in that including installation axle bed (2) and the support base (6) rotated about, the peace
Along support base (6) rotation axis have a bar shaped locating shaft (11) towards support base (6) on dress axle bed (2), locating shaft (11) just
A positioning hole (13) are machined on the installation axle bed (2) of lower section, are fixed with a spacer pin (1), the limit in location hole (13)
Position pin (1) passes through the location hole (13) and is inserted into the arc-shaped limit hole (10) concentric with support base (6) inner hole and limits
The rotation angle of support base (6) is mounted in unilateral bearing (3) in the locating shaft (11) for being close to installation axle bed (2) side；
Mounting structure of the unilateral bearing (3) on support base (6) are as follows: on the outer ring of unilateral bearing (3) outward from introversion
It is successively set with non-enclosed ring-shaped friction lining (4) and covers the adjusting ring (5) in friction plate (4) outside；The friction plate (4) is
There is the non-close cyclic structure of fracture, and the contraction clamping by adjusting ring (5) is so that friction plate (4) is collapsed unilateral bearing
(3) banding；It is described to adjust the non-close ring-type that ring (5) are fracture texture, and be respectively set at the both ends for adjusting ring (5) incision position
Have and the protruding block (12) collapsed is tensed by bolt；Protruding block (12) protrude on the inner wall of the support base (6) inner hole with protrusion
Block (12) is inlayed in the notch of cooperation, and is passed through by the adjusting bolt (7) that outer wall is arranged is corresponded to support base (6) inner hole；Pass through
It loosens, tighten the adjusting bolt (7) and to adjust ring (5) and shrink friction plate (4) and banding unilateral bearing (3), so that workpiece is inverse
To suitable damping due to rotation is obtained when recycling, pass through gasket (8) and lock in the rear end that locating shaft (11) stretch out support base (6) inner ring
Tight nut (9) is fixed.
2. a kind of damping due to rotation structure according to claim 1, which is characterized in that the arc of the arc-shaped limit hole (10) is long
Degree can guarantee that support base (6) is able to rotate 90 degree, and the spacer pin (1) for protruding into limit hole (10) can be held turning to limit hole (10)
Portion and blocked.
3. a kind of damping due to rotation structure according to claim 1, which is characterized in that the inner wall of support base (6) inner hole will
Adjusting ring (5) can completely include, and loosen, tighten the adjusting bolt (7) so that adjusting ring (5) changes friction plate (4) to unidirectional
Suitable damping due to rotation is obtained after the frictional force of bearing (3) to withdraw support base (6).
4. a kind of damping due to rotation structure according to claim 1, which is characterized in that roller can be used in the unilateral bearing (3)
Formula or ball bearing.
5. a kind of damping due to rotation structure according to claim 1, which is characterized in that the adjusting bolt (7) and the protrusion
One end that block (12) matches is in ladder shaft-like, in the hole on protruding block (12) described in multi-diameter shaft partial insertion and the platform of multi-diameter shaft
Terrace is contacted with the orifice end extruding on protruding block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826828.2U CN208935268U (en) | 2018-11-07 | 2018-11-07 | A kind of damping due to rotation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826828.2U CN208935268U (en) | 2018-11-07 | 2018-11-07 | A kind of damping due to rotation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935268U true CN208935268U (en) | 2019-06-04 |
Family
ID=66727263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821826828.2U Active CN208935268U (en) | 2018-11-07 | 2018-11-07 | A kind of damping due to rotation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN208935268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350786A (en) * | 2020-04-13 | 2020-06-30 | 今创集团股份有限公司 | One-way adjustable large-torque rotary variable damper |
| CN111904649A (en) * | 2020-07-30 | 2020-11-10 | 深圳市瑞沃德生命科技有限公司 | Rotary positioning device and brain stereotaxic instrument |
-
2018
- 2018-11-07 CN CN201821826828.2U patent/CN208935268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350786A (en) * | 2020-04-13 | 2020-06-30 | 今创集团股份有限公司 | One-way adjustable large-torque rotary variable damper |
| CN111904649A (en) * | 2020-07-30 | 2020-11-10 | 深圳市瑞沃德生命科技有限公司 | Rotary positioning device and brain stereotaxic instrument |
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