CN105980951B

CN105980951B - Knob structure and using the knob structure with burnt remote control

Info

Publication number: CN105980951B
Application number: CN201580004250.5A
Authority: CN
Inventors: 耶方明
Original assignee: SZ DJI Osmo Technology Co Ltd
Current assignee: SZ DJI Osmo Technology Co Ltd
Priority date: 2015-04-16
Filing date: 2015-04-16
Publication date: 2017-09-29
Anticipated expiration: 2035-04-16
Also published as: JP6585187B2; CN105980951A; WO2016165115A1; JP2018516387A

Abstract

The present invention provides a kind of knob structure, and it includes fixture, the tumbler being rotatably arranged on the fixture, and at least one movable part being movably arranged as between the fixture and the tumbler.The fixture includes carrier, and the tumbler is arranged on the carrier.The first damping grease is provided between described at least one movable part and the fixture, the second damping grease is provided between described at least one movable part and the tumbler, the damping size of first damping grease and second damping grease is differed.The present invention also provide it is a kind of using above-mentioned knob structure with burnt remote control.The rotary damping adjustable range of above-mentioned knob structure is relatively large.

Description

Knob structure and using the knob structure with burnt remote control

Technical field

The present invention relates to a kind of knob structure, more particularly to a kind of hard disk knob structure for Fixed disk and using should Knob structure with burnt remote control.

Background technology

Traditional is focused with burnt remote control using knob structure remote control filming apparatus.Under normal circumstances, the knob Structure includes relatively turnable tumbler and fixture, and the damping being arranged between the tumbler and the fixture Fat.The tumbler is made up of elastomeric material such as plastic cement or rubber, and the fixture is made of metal, by adjusting the rotation Part and the fixture can adjust the rotation resistance between the tumbler and the fixture to the extruding force of the damping grease Power, so that the rotation between the tumbler and the fixture is more smooth.However, due to described in the knob structure Contact area between tumbler and the fixture is smaller, the finite capacity of the damping grease, increase the tumbler and When the fixture is to the pressure of the damping grease, the damping grease is easily burst from being squeezed between the tumbler and the fixture Overflow, cause the tumbler directly to be contacted with the fixture, frictional force increase therebetween makes the knob assembly exist Feel is jerky during regulation, is unfavorable for accurately adjusting the anglec of rotation of the knob assembly, is also unfavorable for controlling the video camera pair It is burnt.In addition, the damp adjustable range of above-mentioned knob assembly is relatively small.

The content of the invention

In view of this, it is necessary to a kind of relatively large knob structure of damp adjustable range is provided and the knob structure is used With burnt remote control.

A kind of knob structure, it includes fixture, is rotatably arranged in the tumbler on the fixture, and activity Ground is arranged at least one movable part between the fixture and the tumbler.The fixture includes carrier, described Tumbler is arranged on the carrier.The first damping grease is provided between described at least one movable part and the fixture, The second damping grease, first damping grease and second resistance are provided between described at least one movable part and the tumbler The damping size of Buddhist nun's fat is differed.

Further, the quantity of the movable part is multiple, and multiple movable parts are mutually stacked in the fixture And between the tumbler, first damping grease is arranged on one and institute close to the fixture in multiple movable parts State between fixture, second damping grease is arranged on one and described turn close to the tumbler in multiple movable parts Between moving part, it is additionally provided with the 3rd damping grease to form multiple damping lipid layer between every two adjacent movable parts.

Further, the damping size of the multiple damping lipid layer is different.

In certain embodiments, the damping size all same of the multiple damping lipid layer.

In certain embodiments, the damping size of the part damping lipid layer in the multiple damping lipid layer is identical, another The damping size of part damping lipid layer is different.

Further, the knob structure also includes adjusting part, and the adjusting part includes being connected to the fixture And guide on the tumbler and the regulating part that is movably disposed on the guide, the regulating part is in external force Driving is lower can to drive the tumbler motion, to adjust the movable part respectively between the tumbler and the fixture Pressure.

Further,, can by rotating the regulating part to be threadedly coupled between the regulating part and the guide Adjust installation position of the regulating part relative to the guide.

Further, the regulating part is slidably disposed on the guide, is formed with the guide multiple The holding section with the holding section phase clamping is formed with holding section, the regulating part, the regulating part can drive in external force Under selectively with a phase clamping in multiple holding sections, to adjust dress of the regulating part relative to the guide If position.

Further, one in the holding section and the holding section is groove, and another is mutually blocks with the groove The clamping for holding cooperation is raised.

Further, the adjusting part also includes elastic component, and the elastic component is arranged at the regulating part and described turn Between moving part, the regulating part can adjust the elastic force of the elastic component under the driving of external force, so as to adjust the movable part Pressure between the tumbler and the fixture respectively.

Further, the adjusting part also includes press part, and the press part is connected to the elastic component and adjusted with described Between section part.

Further, the elastic component is the helical spring being sheathed on the guide, and the press part includes being arranged In the package assembly on the guide and the flange being formed on the package assembly, the package assembly is plugged to the elastic component In, the flange is pressed on the end of the elastic component.

Further, the press part also includes the inner sleeve being rotatably arranged between the guide and the package assembly Part, and the roller being arranged between the internal member and the package assembly；The regulating part is supported on the internal member.

Further, the tumbler includes perisporium and is formed at the bottom wall of described perisporium one end, and the bottom wall is close to institute State fixture setting, be provided with auxiliary section on the bottom wall, the movable part be arranged on the fixture and the auxiliary section it Between.

Further, the knob structure also includes connecting shaft, and the connecting shaft is arranged in the fixture and the bottom Wall, the guide is arranged in the connecting shaft.

Further, insertion offers to be provided with perforating, the perforating and is arranged part on the fixture；The company Spindle is arranged part and is connected with the bottom wall described in being arranged in, and the connecting shaft is turned by the part that is arranged with the fixture Dynamic connection.

Further, the perforating is stepped hole, and with step surface, the part that is arranged includes being sheathed on the connection Package assembly on axle and the flange being formed on the package assembly, the package assembly are contained in the perforating, made described convex Edge is pressed on the step surface of the perforating.

Further, it is described to be arranged the internal member that part also includes being arranged between the connecting shaft and the package assembly, with And it is arranged at the roller between the internal member and the package assembly；The connecting shaft wear the internal member and with the inner sleeve Part is fixedly connected.

Further, the connecting shaft includes socket part and is respectively formed in plug division and the abutting at the socket part two ends Portion, the socket part is fixedly connected with the internal member, and the plug division is arranged in the bottom wall and is connected with the guide, Abutting portion diameter is more than the diameter of the socket part, and the abutting portion and the end of the internal member are abutted against.

Further, it is provided with the carrier on connecting portion, the connecting portion and offers the first host cavity, the work Moving part is contained in first host cavity, and the auxiliary section is protruded into first host cavity.

Further, the first holding tank is offered on the bottom wall of first host cavity, first holding tank is to receive Hold first damping grease.

Further, first holding tank includes following at least one：Multiple donut grooves, radial groove, Multiple concave points, multiple strip connected in stars, multiple curvilinear shaped recesses.

Further, the side of the bottom wall towards the fixture is provided with the second host cavity, and the connecting portion is protruded out And be contained in second host cavity, the auxiliary section is on the bottom wall of second host cavity towards first host cavity Protrude out to be formed.

Further, the second holding tank is offered on the bottom wall of second host cavity, second holding tank is to receive Hold second damping grease.

Further, second holding tank includes following at least one：Multiple donut grooves, radial groove, Multiple concave points, multiple strip connected in stars, multiple curvilinear shaped recesses.

Further, frictional force during first damping grease is provided between the fixture and the movable part, it is small Frictional force when being not provided with first damping grease between the fixture and the movable part.

Further, the fixture and the movable part are made up of the material of different hardness respectively.

Further, the fixture is made up of aluminium alloy, and the movable part is made up of brass.

Further, frictional force during second damping grease is provided between the tumbler and the movable part, it is small Frictional force when being not provided with second damping grease between the tumbler and the part.

Further, the tumbler and the movable part are made up of the material of different hardness respectively.

Further, the tumbler is made up of aluminium alloy, and the movable part is made up of brass.

One kind with burnt remote control, including controller, the angular transducer electrically connected with the controller, and with the control The knob structure that device processed and the angular transducer are electrically connected.The knob structure includes fixture and is rotatably arranged in Tumbler on the fixture, the fixture includes carrier, and the tumbler is arranged on the carrier.The rotation Button structure also includes at least one movable part being movably arranged as between the fixture and the tumbler.Described at least one The first damping grease is provided between individual movable part and the fixture, is set between described at least one movable part and the tumbler It is equipped with the second damping grease.Wherein, the damping size of first damping grease and second damping grease is differed, and the angle is passed Sensor is electrically connected with the knob structure, and for sensing the rotational angle information of the tumbler, and by the rotational angle Information transmission gives the controller, and the controller sends corresponding control command.

Further, the damping size of the multiple damping lipid layer is different.

In certain embodiments, the damping size phase of the part damping lipid layer in the multiple damping lipid layer of the movable part Together, the damping size of another part damping lipid layer is different.

The knob structure of the present invention, it is provided with movable part between tumbler and fixture, in movable part and fixture Between be provided with first damping grease, second damping grease is provided between tumbler and movable part, is provided with and makes The damping size of first damping grease and the second damping grease is differed, when tumbler and fixture are smaller to the pressure of the damping grease When, second damping layer plays main damping buffering effect, when tumbler and fixture to the pressure of the damping grease compared with When big, first damping layer plays main damping buffering effect, expands the damp adjustable range of knob structure.Meanwhile, Even if knob structure works at various pressures, due to described first damping lipid layer and it is described second damping lipid layer can divide Do Be adapted to different operating pressures and play damping buffering effect, tumbler still can opposed fixed member keep it is smooth rotate, Be conducive to the rotational angle of accurate adjustment tumbler, so that can accurately be controlled with burnt remote control using the knob structure Make an outside filming apparatus focusing.

Brief description of the drawings

Fig. 1 is a kind of structured flowchart with burnt remote control that embodiment of the present invention is provided.

Fig. 2 is the assembling stereogram of the shown knob structures with burnt remote control of Fig. 1.

Fig. 3 is the perspective exploded view of Fig. 2 knob structures.

Fig. 4 is the diagrammatic cross-section along IV-IV lines of knob structure shown in Fig. 2.

Main element symbol description

With burnt remote control 200

Controller 210

Angular transducer 230

Knob structure 100

Fixation kit 10

Fixture 12

Carrier 121

Connecting portion 123

First host cavity 1231

Perforating 1233

First hole 1234

Second hole 1235

Step surface 1236

First holding tank 1237

It is arranged part 14

Internal member 141,561

Roller 143,563,

Package assembly 145,565,

Flange part 147,567

Connecting shaft 16

Socket part 161

Abutting portion 163

Plug division 165

Runner assembly 30

Tumbler 32

Perisporium 321

Bottom wall 323

Second host cavity 324

Auxiliary section 325

Second holding tank 327

Adjusting part 50

Guide 52

Connecting hole 521

Elastic component 54

Press part 56

Regulating part 58

Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component Or can also have component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical ", " level ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases The arbitrary and all combination of the Listed Items of pass.

Referring to Fig. 1, embodiment of the present invention provides a kind of with burnt remote control 200, it is described with burnt remote control 200 be used for The filming apparatus (not shown) wireless connection such as video camera, camera, and filming apparatus focusing described in remote control.It is described distant with Jiao Control device 200 include controller 210, with the controller 210 be electrically connected with angular transducer 230 and with the controller 210 and the knob structure 100 that is electrically connected with of the angular transducer 230.Knob structure 100 is driven to rotate necessarily by external force Angle, the angular transducer 230 can sense the rotational angle information of the knob structure 100, and by the rotational angle Information transmission gives the controller 210, and the controller 210 sends corresponding control command, so as to control the filming apparatus Focusing.

Include fixation kit 10 please refer to Fig. 2 knob structures 100, be rotatably connected on the fixation kit 10 Runner assembly 30 and the adjusting part 50 that is arranged in the runner assembly 30.Between fixation kit 10 and runner assembly 30 Filled with damping grease, adjusting part 50 is used for the extruding force for adjusting 30 pairs of damping greases of fixation kit 10 and runner assembly.

Please refer to Fig. 3 and Fig. 4, fixation kit 10 includes fixture 12, is arranged on fixture 12 and is arranged part 14 And it is arranged in the connecting shaft 16 for being arranged part 14.

Fixture 12 is used to install runner assembly 30 and adjusting part 50.In the present embodiment, fixture 12 is closed by aluminium Gold is made.Fixture 12 includes carrier 121 and the connecting portion 123 being arranged on carrier 121.Carrier 121 is substantially in Discoid, connecting portion 123 is formed at the approximate mid-section position of the side of carrier 121.

The first host cavity 1231 is recessed on connecting portion 123, the first host cavity 1231 is used for the portion for housing runner assembly 30 Separation structure.Connecting portion 123 also offers perforating 1233 in the approximate mid-section position insertion of the first host cavity 1231, and in first The bottom wall of host cavity 1231 offers the first holding tank 1237.

In the present embodiment, perforating 1233 is stepped hole, and it includes first be connected with the first host cavity 1231 Hole 1234 and the second hole 1235 being connected with the first hole 1234.The aperture in the first hole 1234 is less than the aperture in the second hole 1235, Make to form a step surface 1236 between the first hole 1234 and the second hole 1235.

In the present embodiment, the first holding tank 1237 is recessed on the bottom wall of the first host cavity 1231, and by multiple rings Shape concentric grooves and radial groove are staggered to form.First holding tank 1237 is used to house the damping grease.It is appreciated that first The shape of holding tank 1237 can be designed as multiple annular concentric grooves, or multiple radial grooves, or multiple recessed in connection The concave point of the bottom wall of portion 123, multiple strip connected in stars being parallel to each other, the groove of bending, curvilinear shaped recesses, or other are irregular Groove shapes.

It is arranged part 14 to be contained in perforating 1233, it is used to connecting shaft 16 being rotationally connected to fixture 12. In present embodiment, part 14 is arranged for bearing, it includes internal member 141, roller 143, package assembly 145 and flange part 147.

Internal member 141 and package assembly 145 are in substantially cylindrical tube shape, and be coaxially disposed in perforating 1233.Further Ground, package assembly 145 is fixedly connected with the inwall in the first hole 1234, and internal member 141 is contained in package assembly 145, and can be relative Package assembly 145 is rotated.Multiple rollers 143 are arranged between internal member 141 and package assembly 145.Flange part 147 is formed at package assembly 145 one end, and be contained in the second hole 1235.Radial direction of the flange part 147 by the periphery wall of package assembly 145 along package assembly 145 Protrude out to be formed, when package assembly 145 is installed in the first hole 1234, flange part 147 is held in the step surface of perforating 1233 On 1236.

Connecting shaft 16, which is arranged in, is arranged part 14, and is fixedly connected with the internal member 141 for being arranged part 14.Connecting shaft 16 is used to fill If runner assembly 30 and adjusting part 50, it includes socket part 161 and is respectively formed in the abutting portion at the two ends of socket part 161 163 and plug division 165.

Socket part 161 is substantially cylindrical, and it is contained in internal member 141 and is fixedly connected with internal member 141.Abutting portion 163 are formed at one end of socket part 161, and are contained in the second hole 1235 of perforating 1233.The diameter in abutting portion 163 is more than The diameter of socket part 161, when socket part 161 is inserted in internal member 141, abutting portion 163 is held in the end of internal member 141 Portion.Plug division 165 is formed at the one end of socket part 161 away from abutting portion 163, and it is used to install adjusting part 50.In this implementation In mode, the one end of plug division 165 away from socket part 161 is formed with male threaded joint (figure is not marked), and the external screw thread connects Socket part is used for the part-structure for connecting adjusting part 50.

Runner assembly 30 is rotatably connected on fixture 12, and it includes tumbler 32 and movable part 34.Tumbler 32 are sheathed on connecting shaft 16 and are stacked and placed on fixture 12, movable part 34 be movably disposed in tumbler 32 and fixture 12 it Between.Specifically in the illustrated embodiment, tumbler 32 as knob structure 100 knob, so that user is by rotating the rotation Button, so as to control the filming apparatus to focus.

In the present embodiment, tumbler 32 is substantially in the cylindrical tube shape with bottom wall, and it includes perisporium 321 and formation Bottom wall 323 in the one end of perisporium 321.

Perisporium 321 is substantially in cylindrical tube shape, its with perforating 1233 is substantially coaxial is arranged on fixture 12, and for receiving Hold adjusting part 50.

Bottom wall 323 is formed at perisporium 321 close to one end of fixture 12, and is stacked and placed on the connecting portion 123 of fixture 12, Make the plug division 165 of connecting shaft 16 through the approximate centre position of bottom wall 323 and protrude into perisporium 321, so that connecting shaft 16 are rotatably coupled with tumbler 32.In the present embodiment, bottom wall 323 is made up of aluminium alloy.

The side of bottom wall 323 towards connecting portion 123 is arranged with the second host cavity 324.In the present embodiment, second house The generally circular groove of chamber 324, it is used for the connecting portion 123 for housing fixture 12.When bottom wall 323 is sheathed on connecting shaft 16 and folds When being placed on fixture 12, connecting portion 123 is protruded out and is contained in the second host cavity 324, the perisporium cladding of the second host cavity 324 In the outside of connecting portion 123.Further, when bottom wall 323 is sheathed on connecting shaft 16 and is stacked and placed on fixture 12, second receives Be reserved with certain interval between the bottom wall of cavity volume 324 and the top of connecting portion 123, for adjusting part 50 adjust tumbler 32 and The relative distance of fixture 12.

Protruded out on the bottom wall of second host cavity 324 and be formed with auxiliary section 325, and in opening up the second receiving on auxiliary section 325 Groove 327.Auxiliary section 325 substantially in annular shape, it is protruded into the first host cavity 1231, and with the bottom wall of the first host cavity 1231 Separately set.Specifically in the embodiment of schema, the second holding tank 327 is recessed in the periphery of auxiliary section 325, and by two ring-types Concentric grooves are collectively forming.Second holding tank 327 is used to house the damping grease.It is appreciated that the shape of the second holding tank 327 Can be designed as multiple radial grooves, or multiple annular concentric grooves and radial groove are staggered to form, or it is multiple it is recessed in Concave point on auxiliary section 325, or other irregular groove shapes.

Movable part 34 is in substantially annulus sheet, and it is arranged at the bottom wall and tumbler of the first host cavity 1231 of fixture 12 Between 32 auxiliary section 325.In the present embodiment, movable part 34 is made up of brass.

The first damping grease is filled between the bottom wall of the host cavity 1231 of movable part 34 and first, to form the first damping lipid layer (not shown).First damping grease has the first damping characteristic, specifically, and first damping characteristic shows as described The damping of first damping grease and viscosity.

The second damping grease is filled between movable part and auxiliary section 325, to form the second damping lipid layer (not shown).Institute The second damping grease is stated with the second damping characteristic, specifically, second damping characteristic shows as second damping grease Damping and viscosity.In the present embodiment, damping of the damping more than second damping grease of first damping grease.It can manage Solution, the damping of first damping grease can be less than the damping of second damping grease.First damping grease and described second Damping grease is filled between tumbler 32 and fixture 12, to realize the lubrication between tumbler 32 and fixture 12 and delay Punching, enables tumbler 32 is smooth to rotate, and has knob structure 100 and preferably rotates feel, in favor of accurate adjustment Xu Xuan The rotational angle of button structure 100, so as to accurately control the filming apparatus to focus.

Adjusting part 50 is arranged at one end that plug division 165 is contained in perisporium 321, and it is used to adjust fixture 12 and turned Relative distance between moving part 32, so as to adjust fixture 12 and 32 pairs of tumbler, the first damping lipid layer and second resistance The pressure size of Buddhist nun's lipid layer.Adjusting part 50 includes guide 52 and the elastic component 54, the press part that are arranged on guide 52 56 and regulating part 58.

Guide 52 is generally cylindrical, and it forms connecting hole 521 close to one end of plug division 165.Formed in connecting hole 521 There is female threaded joint (figure is not marked), the female threaded joint is used to be screwed with the male threaded joint of plug division 165, It is fixedly connected so as to be directed to part 52 with connecting shaft 16.The periphery of guide 52 is formed with external screw thread (figure is not marked), described outer Screw thread is used to be connected with regulating part 58.

Elastic component 54 is movably sheathed on guide 52, and its one end is held on the bottom wall 323 of tumbler 32.At this In embodiment, elastic component 54 is helical spring.It is appreciated that elastic component 54 can be other elastic components, such as shell fragment, by elasticity Resilient sleeve that material is made etc..

Press part 56 is movably sheathed on guide 52, and positioned at the one end of elastic component 54 away from bottom wall 323.Compress One end of part 56 is held in the end of elastic component 54, the two ends of elastic component 54 is supported bottom wall 323 and press part 56 respectively.At this In embodiment, press part 56 is bearing.The structure of press part 56 is roughly the same with the structure for being arranged part 14, and it is same including interior External member 561, roller 563, package assembly 565 and flange part 567.Package assembly 564 is inserted in elastic component 54, and flange part 567 is formed Abutted against in the one end of package assembly 565 away from bottom wall 323, and with the end of elastic component 54.

Regulating part 58 is sheathed on guide 52, and is located at the one end of press part 56 away from elastic component 54, and and guide 52 external screw thread is screwed.One end of regulating part 58 is held on the internal member 561 of press part 56, by rotating regulating part 58, The bottom wall 323 for making regulating part 58 push press part 56 towards tumbler 32 is moved, the compressing elastic component of flange part 567 of press part 56 54, elastic component 54 is compressed.Because connecting shaft 16 is fixedly connected by being arranged part 14 with fixture 12, and it is arranged the convex of part 14 Edge 147 is held on fixture 12, is enable elastic component 54 and is arranged part 14 respectively to bottom wall 323 and the application pressure of fixture 12 Power, so that relative distance between bottom wall 323 and fixture 12 reduces, and then makes bottom wall 323 and 12 pairs of fixture described the The pressure increase of one damping lipid layer and the second damping lipid layer.

When assembling the knob structure 100 of embodiment of the present invention, first, part 14 will be arranged and be sheathed in connecting shaft 16, will Connecting shaft 16 passes through perforating 1233, the package assembly 145 for being arranged part 14 is fixedly connected with fixture 12.Secondly, in fixture First damping grease is coated on the bottom wall of 12 the first host cavity 1231, then movable part 34 is installed in the first host cavity 1231 It is interior, make movable part 34 cover first damping grease to form the first damping lipid layer.Then, second in tumbler 32 is received Second damping grease is coated on the bottom wall of cavity volume 324, makes the second damping grease covering auxiliary section 325.Again by tumbler 32 It is sheathed in connecting shaft 16, the perisporium of the second host cavity 324 is coated on the outside of connecting portion 123, and protrude out auxiliary section 325 Enter in the first host cavity 1231 of fixture 12, auxiliary section 325 corresponds to movable part 34, so that auxiliary section 325 and movable part The second damping lipid layer is formed between 34.Finally, it is directed to part 52 to be connected on the plug division 165 of connecting shaft 16, by elasticity Part 54, press part 56 and regulating part 58 are sheathed on guide 52 successively.

Using embodiment of the present invention knob structure 100 when, pass through rotary motion part 32 be adjustment knobs structure 100 Rotational angle.If the damping between tumbler 32 and fixture 12 is excessive or too small, tune can be made by rotating regulating part 58 Axis direction of the part 58 along guide 52 is saved to be relatively distant from or close to bottom wall 323, regulation elasticity part 54 to the pressure of bottom wall 323, So as to adjust the relative distance between tumbler 32 and fixture 12, and then adjust 12 pairs described first of bottom wall 323 and fixture The pressure of lipid layer and the second damping lipid layer is damped, the damping regulation between tumbler 32 and fixture 12 is finally realized.

Specifically, if it is desired to have less rotary damping between tumbler 32 and fixture 12, then regulating part is rotated 58 make it be relatively distant from bottom wall 323, make auxiliary section 325 and 12 pairs of fixture, the first damping lipid layer and second damping grease The pressure of layer reduces.When the opposed fixed member 12 of tumbler 32 is rotated, due to the damping big described second of first damping grease The damping of damping grease, movable part 34 is viscous on fixture 12 by first damping layer, then tumbler 32 is relative to activity Part 34 and fixture 12 are rotated, and second damping layer plays main damping buffering effect.

If it is desired to have larger rotary damping between tumbler 32 and fixture 12, then rotating regulating part 58 makes its relative Close to bottom wall 323, increase auxiliary section 325 and the pressure of 12 pairs of fixture, the first damping lipid layer and the second damping lipid layer Greatly.Due to damping of the damping more than first damping grease of second damping grease, second damping grease is in tumbler 32 It is extruded into first in the second holding tank 327 during pressure controlled, auxiliary section 325 is directly held on movable part 34. When the opposed fixed member 12 of tumbler 32 is rotated, the frictional force between auxiliary section 325 and movable part 34 is dry friction, frictional force phase To larger, and due to the presence of first damping layer between movable part 34 and fixture 12, frictional force therebetween is relative Smaller, so that movable part 34 is viscous on the auxiliary section 325 of tumbler 32, then tumbler 32 is relative to movable part 34 and fixture 12 rotate, and first damping layer plays main damping buffering effect.

If the rotary damping between the tumbler 32 of above-mentioned state and fixture 12 need to be reduced, rotating regulating part 58 makes it Bottom wall 323 is relatively distant from, and applies external force on tumbler 32, auxiliary section 325 is relatively distant from fixture 12, then auxiliary section Occurs space between 325 and movable part 34, second damping grease flows filling to auxiliary section 325 and activity again due to negative pressure In space between part 34.Now, tumbler 32 is rotated relative to movable part 34 and fixture 12, and second damping layer is played Main damping buffering effect.

The knob structure 100 of the present invention, it is provided with movable part 34 between tumbler 32 and fixture 12, in movable part First damping grease is provided between 34 and fixture 12, second resistance is provided between tumbler 32 and movable part 34 Buddhist nun's fat, is provided with and makes the first damping grease and the damping size of the second damping grease is differed, when 12 pairs of tumbler 32 and fixture When the pressure of the damping grease is smaller, second damping layer plays main damping buffering effect, when tumbler 32 is with fixing When the pressure of 12 pairs of damping greases of part is larger, first damping layer plays main damping buffering effect, expands knob The damp adjustable range of structure 100.Meanwhile, even if knob structure 100 works at various pressures, due to the described first damping Lipid layer and the second damping lipid layer can divide Do to be adapted to different operating pressures and play damping buffering effect, tumbler 32 Still can opposed fixed member keep smooth and rotate, be conducive to the rotational angle of accurate adjustment tumbler 32, so as to accurate The filming apparatus is controlled to focus.

In the present embodiment, the bottom wall 323 of fixture 12 and tumbler 32 is made up of aluminium alloy, and movable part 34 is by Huang Copper into, fixture 12, tumbler 32 and movable part 34 are made up of the material of different hardness or different coefficients of friction, the purpose is to In order to ensure when the damping grease is filled between fixture 12 and movable part 34, rubbing between fixture 12 and movable part 34 Frictional force when wiping power compared to without damping grease is smaller, so that the first damping lipid layer and the second damping lipid layer can It is respectively suitable for different operating pressures.

It is appreciated that the bottom wall 323 of fixture 12 and tumbler 32 can be by other metals in addition to aluminium alloy Material is made, such as steel or other alloys, can also be made up of plastic cement or elastomeric material.Similarly, movable part 34 can by except Other materials beyond brass is made, such as tin bronze, polyformaldehyde (match steel) or rubber, and causes fixture 12 and movable part 34 hardness is differed, and the hardness between tumbler 32 and movable part 34 is also differed, so as to ensure when damping grease filling When between fixture 12 and movable part 34, when frictional force between fixture 12 and movable part 34 is compared to no damping grease Frictional force is smaller, so that the first damping lipid layer and the second damping lipid layer can be respectively suitable for different work pressures Power.

Even, when between fixture 12 and movable part 34, the damping is filled between tumbler 32 and movable part 34 Frictional force during fat compared to without damping grease when frictional force it is smaller when, fixture 12, tumbler 32 and movable part 34 can be made up of same material.

It is appreciated that the quantity of movable part 34 can be one or more, when movable part 34 quantity for it is multiple when, its with Between the auxiliary section 325 of tumbler 32 and fixture 12 the first host cavity 1231 bottom wall between, and each two is adjacent The damping grease is provided between movable part 34 and damping lipid layer is formed, the damping size of each damping lipid layer is differed, So as to increase knob structure 100 rotary damping adjustable range, while can make knob structure 100 at various pressures according to Smooth rotation can so be kept.

For example, can it be respectively separately the first movable part and the second movable part when the quantity of movable part 34 is two.It is described One movable part adjacent mount 12 is set, and described is provided between the bottom wall of first movable part and the first host cavity 1231 One damping grease；Second movable part is set adjacent to auxiliary section 325, is provided between second movable part and auxiliary section 325 Second damping grease.When tumbler 32 is rotationally connected with fixture 12, first movable part and the described second activity Part is almost parallel relative, and the 3rd damping grease is provided between first movable part and second movable part.Wherein, it is described The damping of 3rd Buddhist nun's fat is damped and less than the damping of first damping grease more than second damping grease.When tumbler 32 with When the pressure of 12 pairs of damping greases of fixture is relatively small, the opposed fixed member 12 of tumbler 32 is rotated, due to the described second resistance Damping of the damping less than first damping grease and the 3rd damping grease of Buddhist nun's fat, first movable part passes through described first Damping grease is viscous on fixture 12, and second movable part is viscous in first movable part by the 3rd damping grease On, then tumbler 32 is rotated relative to second movable part, first movable part and fixture 12, second damping grease Play main damping buffering effect.

When the pressure of tumbler 32 and 12 pairs of damping greases of fixture increases to certain value, second damping grease exists Tumbler 32 is extruded into second holding tank 327 first, auxiliary section 325 is directly held in second movable part On, now, the frictional force between auxiliary section 325 and second movable part suddenly increases, and second movable part with it is described Between first movable part due to the 3rd damping grease presence and relative friction forces are smaller, and the damping of first damping grease More than the 3rd damping grease, first movable part is viscous on fixture 12 by first damping grease, therefore, now Tumbler 32 drives second movable part to be rotated relative to first movable part and fixture 12, and the 3rd damping grease is played Main damping buffering effect.

By that analogy, it is described when the pressure of tumbler 32 and 12 pairs of damping greases of fixture continues to increase to certain value Second damping grease and first damping grease are pushed in the rotation of tumbler 32 in corresponding holding tank, now tumbler 32 Second movable part and the first movable part opposed fixed member 12 is driven to rotate, first damping grease plays main resistance Buddhist nun's cushioning effect.Similarly, the quantity of movable part 34 can be for three, four or more, do not gone to live in the household of one's in-laws on getting married one by one in this specification State.

It can also be appreciated that when the quantity of movable part 34 is multiple, one and tumbler in multiple movable parts Another between 32 auxiliary section 325, in multiple movable parts between the bottom wall of the first host cavity 1231 of fixture 12, with And be provided with damping grease between the adjacent movable part of each two and form multiple damping lipid layer, the damping of each damping lipid layer is big It is small to be not quite similar, so as to increase the adjustable range of the rotary damping of knob structure 100, while knob structure 100 can be made Smooth rotation can be still kept at various pressures.For example, the resistance of two damping lipid layer in multiple damping lipid layer Buddhist nun's size is identical, and the damping size of remaining damping lipid layer is different；Or, three dampings in multiple damping lipid layer The damping size of lipid layer is identical, and the damping size of remaining damping lipid layer is different；Or the damping of multiple damping lipid layer is big Small is other combining forms, and this specification is not repeated one by one.

It is appreciated that elastic component 54 and press part 56 can be omitted, and regulating part 58 is set to be sheathed on guide 52, and The bottom wall 323 of tumbler 32 is held in, the axis direction for making it along guide 52 by rotating regulating part 58 is moved, and is pushed Tumbler 32 is moved, so as to adjust the pressure of 12 pairs of damping greases of tumbler 32 and fixture.

It is appreciated that the structure for being arranged part 14 is not limited to bearing arrangement as described above, it could be arranged to other Attachment structure, to cause connecting shaft 16 and fixture 12 are rotated to be connected.For example, it can be with flange part 147 to be arranged part 14 Sleeve, the sleeve is rotatably sleeved on the socket part 161 of connecting shaft 16, and the flange part on the sleeve is connected to solid Determine on the step surface 1236 of part 12.Even, being arranged part 14 can omit, and be more than the diameter in the abutting portion 163 of connecting shaft 16 The aperture in the first hole 1234 of perforating 1233 and the aperture for being less than the second hole 1235, so that connecting shaft 16 is arranged in perforating When 1233, abutting portion 163 is connected on the step surface 1236 of fixture 12.It can also be appreciated that connecting shaft 16 is arranged in During fixture 12, its connection between fixture 12 can be to be fixedly connected with or rotate connection；Connecting shaft 16 wears tumbler During 32 bottom wall 323, its connecting between tumbler 32 can be being slidably connected for rotation stop, or rotatably slidably Flexible connection.

It is appreciated that the structure of press part 56 is not limited to bearing arrangement as described above, it could be arranged to other Compress structure, regulating part 58 is pushed elastic component 54 by press part 56, elastic component 54 produces elastic deformation to adjust Save the pressure of tumbler 32 and 12 pairs of damping greases of fixture.For example, press part 56 can be the set with flange part 147 Cylinder, the sleeve is rotatably sleeved on guide 52, and the flange part on the sleeve is connected to the step surface of fixture 12 On 1236.Even, press part 56 can be omitted, and regulating part 58 is directly pressed on elastic component 54, and pass through regulating part 58 And the pressure of the regulation tumbler 32 of elastic component 54 and 12 pairs of damping greases of fixture.

Match somebody with somebody it is appreciated that the cooperation between regulating part 58 and guide 52 can be not limited to screw thread as described above Close, it can be other fit structures, the counter-guide 52 under the driving of external force of regulating part 58 is slided, and can be in institute It is relatively fixed to after stating external force revocation on guide 52, so that user can be by adjusting regulating part 58 relative to guide 52 installation position, reaches the purpose of the pressure between regulation tumbler 32 and fixture 12.

For example, coordinating between regulating part 58 and guide 52 for clamping.Specifically, multiple cards are formed with guide 52 Portion is held, axial direction of the multiple holding section along guide 52 is intervally installed.Regulating part 58 is slidably disposed on guide On 52, holding section is formed with thereon.The holding section and a phase clamping in multiple holding sections, regulating part 58 is determined On guide 52.By promoting regulating part 58, make the holding section and a phase separation in multiple holding sections, and Fastened with another in multiple holding sections, installation position of the regulating part 58 relative to guide 52 can be adjusted, from And reach the purpose of the pressure between regulation tumbler 32 and fixture 12.Further, the holding section can for it is recessed in Groove on guide 52, correspondingly, the holding section are to protrude out the clamping projection being formed on regulating part 58.Or, it is described Holding section coordinates the structure that can be engaged for snap fit with neck with the adjustment portion.

It is appreciated that connecting shaft 16 can also be integrally formed with assembly and connection together with, make guide with guide 52 52 are arranged on tumbler 32, and are connected by connecting shaft 16 with fixture 12, so that regulating part 58 can be oppositely oriented Part 52 moves and adjusts the pressure between tumbler 32 and fixture 12.

In addition, for the person of ordinary skill of the art, can make other each with technique according to the invention design It is kind corresponding change with deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention.

Claims

1. a kind of knob structure, it includes fixture and the tumbler being rotatably arranged on the fixture, and its feature exists In：The fixture includes carrier, and the tumbler is arranged on the carrier, and the knob structure is also included actively It is arranged at least one movable part between the fixture and the tumbler, at least one described movable part and the fixation The first damping grease is provided between part, the second damping grease, institute are provided between described at least one movable part and the tumbler The damping size for stating the first damping grease and second damping grease is differed；The tumbler includes perisporium and is formed at the week The bottom wall of wall one end, the bottom wall is set close to the fixture.

2. knob structure as claimed in claim 1, it is characterised in that：The quantity of the movable part is multiple, multiple work Moving part is mutually stacked between the fixture and the tumbler, and first damping grease is arranged on multiple movable parts In close to one of the fixture between the fixture, second damping grease is arranged in multiple movable parts and leaned on One of the nearly tumbler is additionally provided with the 3rd damping between the tumbler between every two adjacent movable parts Fat is to form multiple damping lipid layer.

3. knob structure as claimed in claim 2, it is characterised in that：Each not phase of damping size of the multiple damping lipid layer Together.

4. knob structure as claimed in claim 2, it is characterised in that：The damping size all same of the multiple damping lipid layer.

5. knob structure as claimed in claim 2, it is characterised in that：Part damping lipid layer in the multiple damping lipid layer Damping size it is identical, another part damping lipid layer damping size it is different.

6. knob structure as claimed in claim 1, it is characterised in that：The knob structure also includes adjusting part, the tune Section component includes being connected to the fixture and guide on the tumbler and is movably disposed on the guide Regulating part, the regulating part can drive the tumbler to move under the driving of external force, be distinguished with adjusting the movable part With the pressure between the tumbler and the fixture.

7. knob structure as claimed in claim 6, it is characterised in that：Connect between the regulating part and the guide for screw thread Connect, by rotating the regulating part, installation position of the regulating part relative to the guide can be adjusted.

8. knob structure as claimed in claim 6, it is characterised in that：The regulating part is slidably disposed on the guide On, the holding section being formed with multiple holding sections, the regulating part with the holding section phase clamping is formed with the guide, The regulating part can external force driving under selectively with a phase clamping in multiple holding sections, to adjust the tune Save installation position of the part relative to the guide.

9. knob structure as claimed in claim 8, it is characterised in that：One in the holding section and the holding section is recessed Groove, another is that the clamping coordinated with the groove phase clamping is raised.

10. knob structure as claimed in claim 6, it is characterised in that：The adjusting part also includes elastic component, the elasticity Part is arranged between the regulating part and the tumbler, and the regulating part can adjust the elastic component under the driving of external force Elastic force, so as to adjust pressure of the movable part respectively between the tumbler and the fixture.

11. knob structure as claimed in claim 10, it is characterised in that：The adjusting part also includes press part, described to support Casting die is connected between the elastic component and the regulating part.

12. knob structure as claimed in claim 11, it is characterised in that：The elastic component is to be sheathed on the guide Helical spring, the press part includes the package assembly being sheathed on the guide and the flange being formed on the package assembly, The package assembly is plugged into the elastic component, the flange is pressed on the end of the elastic component.

13. knob structure as claimed in claim 12, it is characterised in that：The press part is also described including being rotatably arranged at Internal member between guide and the package assembly, and the roller being arranged between the internal member and the package assembly；Institute Regulating part is stated to support on the internal member.

14. knob structure as claimed in claim 7, it is characterised in that：Auxiliary section, the movable part are provided with the bottom wall It is arranged between the fixture and the auxiliary section.

15. knob structure as claimed in claim 14, it is characterised in that：The knob structure also includes connecting shaft, the company Spindle is arranged in the fixture and the bottom wall, and the guide is arranged in the connecting shaft.

16. knob structure as claimed in claim 15, it is characterised in that：Insertion offers perforating on the fixture, institute State to be provided with perforating and be arranged part；The connecting shaft is arranged part and is connected with the bottom wall described in being arranged in, the connection Axle is connected by the part that is arranged with fixture rotation.

17. knob structure as claimed in claim 16, it is characterised in that：The perforating is stepped hole, and with step surface, The part that is arranged includes the package assembly being sheathed in the connecting shaft and the flange being formed on the package assembly, the package assembly It is contained in the perforating, the flange is pressed on the step surface of the perforating.

18. knob structure as claimed in claim 17, it is characterised in that：The part that is arranged also includes being arranged on the connecting shaft And the internal member between the package assembly, and the roller being arranged between the internal member and the package assembly；The connection Axle wears the internal member and is fixedly connected with the internal member.

19. knob structure as claimed in claim 18, it is characterised in that：The connecting shaft includes socket part and is respectively formed in The plug division and abutting portion at the socket part two ends, the socket part are fixedly connected with the internal member, and the plug division is worn Be connected in the bottom wall and with the guide, abutting portion diameter be more than the socket part diameter, the abutting portion with The end of the internal member is abutted against.

20. knob structure as claimed in claim 14, it is characterised in that：Connecting portion, the company are provided with the carrier The first host cavity is offered in socket part, the movable part is contained in first host cavity, the auxiliary section protrudes into described In first host cavity.

21. knob structure as claimed in claim 20, it is characterised in that：First is offered on the bottom wall of first host cavity Holding tank, first holding tank is to house first damping grease.

22. knob structure as claimed in claim 21, it is characterised in that：First holding tank includes following at least one： Multiple donut grooves, radial groove, multiple concave points, multiple strip connected in stars, multiple curvilinear shaped recesses.

23. knob structure as claimed in claim 21, it is characterised in that：The bottom wall is set towards the side of the fixture There is the second host cavity, the connecting portion is protruded out and is contained in second host cavity, and the auxiliary section is housed by described second Protrude out to be formed towards first host cavity on the bottom wall of chamber.

24. knob structure as claimed in claim 23, it is characterised in that：Second is offered on the bottom wall of second host cavity Holding tank, second holding tank is to house second damping grease.

25. knob structure as claimed in claim 24, it is characterised in that：Second holding tank includes following at least one： Multiple donut grooves, radial groove, multiple concave points, multiple strip connected in stars, multiple curvilinear shaped recesses.

26. knob structure as claimed in claim 25, it is characterised in that：It is provided between the fixture and the movable part Frictional force during first damping grease, during less than being not provided with first damping grease between the fixture and the movable part Frictional force.

27. knob structure as claimed in claim 26, it is characterised in that：The fixture and the movable part are respectively by difference The material of hardness is made.

28. knob structure as claimed in claim 27, it is characterised in that：The fixture is made up of aluminium alloy, the activity Part is made up of brass.

29. knob structure as claimed in claim 25, it is characterised in that：It is provided between the tumbler and the movable part Frictional force during second damping grease, during less than being not provided with second damping grease between the tumbler and the movable part Frictional force.

30. knob structure as claimed in claim 29, it is characterised in that：The tumbler and the movable part are respectively by difference The material of hardness is made.

31. knob structure as claimed in claim 30, it is characterised in that：The tumbler is made up of aluminium alloy, the activity Part is made up of brass.

32. a kind of with burnt remote control, including controller and the angular transducer that is electrically connected with the controller, its feature exists In：Described also to include knob structure with burnt remote control, the knob structure includes fixture and is rotatably arranged in described solid Determine the tumbler on part, the fixture includes carrier, and the tumbler is arranged on the carrier；The knob structure Also include at least one movable part being movably arranged as between the fixture and the tumbler；At least one described activity The first damping grease is provided between part and the fixture, is provided between described at least one movable part and the tumbler Two damping greases；

Wherein, the damping size of first damping grease and second damping grease is differed, the angular transducer with it is described Knob structure is electrically connected, and for sensing the rotational angle information of the tumbler, and the rotational angle information transmission is given The controller, the controller sends corresponding control command；

Wherein, the tumbler includes perisporium and is formed at the bottom wall of described perisporium one end, and the bottom wall is close to the fixture Set.

33. as claimed in claim 32 with burnt remote control, it is characterised in that：The quantity of the movable part is multiple, Duo Gesuo State movable part to be mutually stacked between the fixture and the tumbler, first damping grease is arranged on multiple work One of the close fixture is between the fixture in moving part, and second damping grease is arranged on multiple movable parts In close to one of the tumbler the tumbler between, be often additionally provided with the 3rd between two adjacent movable parts Damping grease is to form multiple damping lipid layer.

34. as claimed in claim 33 with burnt remote control, it is characterised in that：The damping size of the multiple damping lipid layer is each not It is identical.

35. as claimed in claim 33 with burnt remote control, it is characterised in that：The damping size of the multiple damping lipid layer is homogeneous Together.

36. as claimed in claim 33 with burnt remote control, it is characterised in that：Part damping in the multiple damping lipid layer The damping size of lipid layer is identical, and the damping size of another part damping lipid layer is different.

37. as claimed in claim 32 with burnt remote control, it is characterised in that：The knob structure also includes adjusting part, institute Stating adjusting part includes being connected to the fixture and guide on the tumbler and is movably disposed in the guiding Regulating part on part, the regulating part can drive the tumbler to move under the driving of external force, to adjust the movable part Pressure between the tumbler and the fixture respectively.

38. as claimed in claim 37 with burnt remote control, it is characterised in that：It is spiral shell between the regulating part and the guide Line is connected, and by rotating the regulating part, can adjust installation position of the regulating part relative to the guide.

39. as claimed in claim 37 with burnt remote control, it is characterised in that：The regulating part is slidably disposed on described lead To on part, the card being formed with multiple holding sections, the regulating part with the holding section phase clamping is formed with the guide Conjunction portion, the regulating part can external force driving under selectively with a phase clamping in multiple holding sections, with adjust Installation position of the regulating part relative to the guide.

40. as claimed in claim 39 with burnt remote control, it is characterised in that：One in the holding section and the holding section For groove, another is that the clamping coordinated with the groove phase clamping is raised.

41. as claimed in claim 37 with burnt remote control, it is characterised in that：The adjusting part also includes elastic component, described Elastic component is arranged between the regulating part and the tumbler, and the regulating part can adjust the bullet under the driving of external force The elastic force of property part, so as to adjust pressure of the movable part respectively between the tumbler and the fixture.

42. as claimed in claim 41 with burnt remote control, it is characterised in that：The adjusting part also includes press part, described Press part is connected between the elastic component and the regulating part.

43. as claimed in claim 42 with burnt remote control, it is characterised in that：The elastic component is to be sheathed on the guide Helical spring, the press part includes the package assembly that is sheathed on the guide and is formed at convex on the package assembly Edge, the package assembly is plugged into the elastic component, the flange is pressed on the end of the elastic component.

44. as claimed in claim 43 with burnt remote control, it is characterised in that：The press part also includes being rotatably arranged at institute State the internal member between guide and the package assembly, and the roller being arranged between the internal member and the package assembly； The regulating part is supported on the internal member.

45. as claimed in claim 38 with burnt remote control, it is characterised in that：Auxiliary section, the work are provided with the bottom wall Moving part is arranged between the fixture and the auxiliary section.

46. as claimed in claim 45 with burnt remote control, it is characterised in that：The knob structure also includes connecting shaft, described Connecting shaft is arranged in the fixture and the bottom wall, and the guide is arranged in the connecting shaft.

47. as claimed in claim 46 with burnt remote control, it is characterised in that：Insertion offers perforating on the fixture, It is provided with the perforating and is arranged part；The connecting shaft is arranged part and is connected with the bottom wall described in being arranged in, the company Spindle is connected by the part that is arranged with fixture rotation.

48. as claimed in claim 47 with burnt remote control, it is characterised in that：The perforating is stepped hole, and with step Face, the part that is arranged includes the package assembly being sheathed in the connecting shaft and the flange being formed on the package assembly, described outer External member is contained in the perforating, the flange is pressed on the step surface of the perforating.

49. as claimed in claim 48 with burnt remote control, it is characterised in that：The part that is arranged also includes being arranged on the connection Internal member between axle and the package assembly, and the roller being arranged between the internal member and the package assembly；The company Spindle wears the internal member and is fixedly connected with the internal member.

50. as claimed in claim 49 with burnt remote control, it is characterised in that：The connecting shaft includes socket part and formed respectively Plug division and abutting portion in the socket part two ends, the socket part are fixedly connected with the internal member, and the plug division is worn It is connected located at the bottom wall and with the guide, abutting portion diameter is more than the diameter of the socket part, the abutting portion Abutted against with the end of the internal member.

51. as claimed in claim 45 with burnt remote control, it is characterised in that：Connecting portion is provided with the carrier, it is described The first host cavity is offered on connecting portion, the movable part is contained in first host cavity, and the auxiliary section protrudes into institute State in the first host cavity.

52. as claimed in claim 51 with burnt remote control, it is characterised in that：Is offered on the bottom wall of first host cavity One holding tank, first holding tank is to house first damping grease.

53. as claimed in claim 52 with burnt remote control, it is characterised in that：First holding tank includes following at least one Kind：Multiple donut grooves, radial groove, multiple concave points, multiple strip connected in stars, multiple curvilinear shaped recesses.

54. as claimed in claim 52 with burnt remote control, it is characterised in that：The side of the bottom wall towards the fixture is set The second host cavity is equipped with, the connecting portion is protruded out and is contained in second host cavity, and the auxiliary section is received by described second Protrude out to be formed towards first host cavity on the bottom wall of cavity volume.

55. as claimed in claim 54 with burnt remote control, it is characterised in that：Is offered on the bottom wall of second host cavity Two holding tanks, second holding tank is to house second damping grease.

56. as claimed in claim 55 with burnt remote control, it is characterised in that：Second holding tank includes following at least one Kind：Multiple donut grooves, radial groove, multiple concave points, multiple strip connected in stars, multiple curvilinear shaped recesses.

57. as claimed in claim 56 with burnt remote control, it is characterised in that：Set between the fixture and the movable part There is frictional force during first damping grease, less than being not provided with first damping grease between the fixture and the movable part When frictional force.

58. as claimed in claim 57 with burnt remote control, it is characterised in that：The fixture and the movable part be not respectively by Material with hardness is made.

59. as claimed in claim 58 with burnt remote control, it is characterised in that：The fixture is made up of aluminium alloy, the work Moving part is made up of brass.

60. as claimed in claim 56 with burnt remote control, it is characterised in that：Set between the tumbler and the movable part There is frictional force during second damping grease, less than being not provided with second damping grease between the tumbler and the movable part When frictional force.

61. as claimed in claim 60 with burnt remote control, it is characterised in that：The tumbler and the movable part be not respectively by Material with hardness is made.

62. as claimed in claim 61 with burnt remote control, it is characterised in that：The tumbler is made up of aluminium alloy, the work Moving part is made up of brass.