CN205478870U - Laborsaving pivot damping device - Google Patents
Laborsaving pivot damping device Download PDFInfo
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- CN205478870U CN205478870U CN201620061031.2U CN201620061031U CN205478870U CN 205478870 U CN205478870 U CN 205478870U CN 201620061031 U CN201620061031 U CN 201620061031U CN 205478870 U CN205478870 U CN 205478870U
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Abstract
The utility model discloses a laborsaving pivot damping device is applicable to all kinds of door closures that open and shut from top to bottom, can be used to offset gravity, and laborsaving, the slow descending effect of pass lid realizes uncapping. This pivot damping device includes outer tube, rotating cam, translation cam and compression spring, and rotating cam, translation cam and compression spring set up in the outer tube according to the preface, compression spring's both ends respectively with the tip and the translation cam butt of outer tube, the outer tube is equipped with and is used for prescribing a limit to translation cam along outer tube axial displacement's stop gear, the terminal surface that meets with rotating cam on the translation cam is equipped with spiral cooperation portion, the last terminal surface that meets with the translation cam of rotating cam be equipped with and the rotatory cooperation portion of spiral cooperation portion complex. The utility model discloses the realization uncap laborsaving, close the slow descending mesh of lid, its simple structure uses safe and reliable, and nimble, operation comfortable feel was rotated in the pivot when door closure opened and shut from top to bottom.
Description
Technical field
This utility model relates to rotating shaft damping unit technical field, particularly to the rotating shaft damping of a kind of labour-saving
Device, it is adaptable to the door closure of all kinds of upper and lower foldings, can be used for offsetting gravity, it is achieved laborsaving, pass lid of uncapping
The most descending effect.
Background technology
Modern many cooking apparatus or instrument often use the situation that door closure to be opened up and down, such as
Platform embedded dish-washing machine, it uses the door closure that upper-turn-type is opened, due to its face glass and inner components and
The action of gravity of interior door closure, when opening door closure, feel is heavier bad and is difficult to stop at any time, when closing door closure
Can drop voluntarily again and may crush staff, install door closure damping unit additional and be possible to prevent action of gravity the most down
Drop.But at present conventional damping unit is the most frictionally (such as CN201420077991.9) or oil pressure
The principle of aperture (CN201420170639.X) realizes rotating shaft damping, and this kind of damping unit is solving
While gravity drops, but add the dynamics of enabling, use very inconvenient.
Utility model content
The purpose of this utility model is the defect for prior art and deficiency, it is provided that a kind of labour-saving turns
Axle damping unit, it is achieved purpose laborsaving, that pass lid is the most descending of uncapping；Its simple in construction, uses safety
Reliably, during door closure upper and lower folding, axis of rotation is flexible, operating handle is comfortable.
For achieving the above object, this utility model is by the following technical solutions:
A kind of labour-saving rotating shaft damping unit, including trocar sheath, rotates cam, translation cam and pressure bullet
Spring, rotates cam, translation cam and compression spring and is sequentially arranged in trocar sheath, the two ends of compression spring
Abutting with end and the translation cam of trocar sheath respectively, trocar sheath is provided with for limiting translation cam along overcoat
The position-limit mechanism that pipe moves axially, the end face that translation cam connects with rotation cam is provided with threaded engagement portion,
Rotate the end face connected with translation cam on cam and be provided with the rotatable engagement coordinated with described threaded engagement portion
Portion.
Improved plan, the end of trocar sheath is provided with the cock of position-adjustable, and the two ends of compression spring are divided
Do not abut with described cock and translation cam.The elasticity of compression spring is regulated by adjusting the position of cock
Power, and then regulation translation cam rotates against the size of twisting resistance of cam, is produced realizing this twisting resistance
Moment of torsion produced by raw moment of torsion and door closure gravity is suitable.
Improved plan further, the end of trocar sheath is provided with and rotates the O that cam sealing coordinates.
Wherein preferred scheme, described position-limit mechanism is the keyway being arranged on outer sleeve inner wall, translates convex
Wheel is provided with the sliding flat key coordinated with described keyway sliding.
Wherein preferred scheme, the described threaded engagement portion on translation cam include translating side initiate confined planes,
Translation stage casing, side spiral camber and translation side end confined planes, rotate the described rotatable engagement portion bag on cam
Include and initiate the spacing rotary side coordinated of confined planes with described translation side and initiate in confined planes and described translation side
The rotary side stage casing spiral camber and spacing with described translation side end that the section tangential sliding of spiral camber coordinates
The rotary side end confined planes of face twist-fit.
Another kind of preferably scheme, the described threaded engagement portion on translation cam includes that translating side initiates spacing
Face, translation stage casing, side spiral camber and translation side end confined planes, rotate the described rotatable engagement on cam
Portion includes initiateing confined planes and the described translation side spacing rotary side coordinated of end confined planes with described translation side
The rotary side stage casing helical curve that initial confined planes coordinates with the tangential sliding of spiral camber of stage casing, described translation side
Face and initiate the rotary side of confined planes twist-fit with described translation side end confined planes and described translation side
End confined planes.
Wherein, translation cam is provided with plural described threaded engagement portion, rotates cam and is provided with two
Individual above described rotatable engagement portion.
The most specifically, the inwall of trocar sheath is provided with seal groove, end neighbouring with this seal groove on trocar sheath
Portion is provided with through hole, rotates cam and is provided with connecting shaft, and described O is sheathed at the shaft shoulder of this connecting shaft,
Rotate the connecting shaft through hole through trocar sheath of cam, and described O is installed in the sealing of trocar sheath
In groove.
Further, trocar sheath is provided with spacing axle key.
The beneficial effects of the utility model are:
Rotating shaft damping unit described in the utility model be arranged at the outer shaft of rotating shaft mechanism and interior rotating shaft it
Between, outer shaft is fixing with door closure to be connected, and interior rotating shaft is fixing with body to be connected, between outer shaft and interior rotating shaft
Being rotationally connected by rotating shaft damping unit described in the utility model, wherein trocar sheath is fixing with outer shaft even
Connecing, rotation cam is fixing with interior rotating shaft to be connected；When door closure is closed, the spiral of translation cam
Auxiliary section is that cam curved surface coordinates with the rotatable engagement portion rotating cam so that translation cam is located remotely from rotation
One end of rotating cam, now opens door closure, and door closure drives outer shaft to rotate, and then drives trocar sheath to rotate,
Trocar sheath drives translation cam to rotate against cam rotation again, and translation cam is in the elasticity of compression spring simultaneously
Shift to rotate cam under power effect, and joined with the rotation rotating cam by the threaded engagement portion of translation cam
The cam curved surface in conjunction portion coordinates, and the elastic force of compression spring is coordinated by this cam curved surface and is converted to auxiliary
Translation cam rotates against the rotation torsion of cam rotation, i.e. auxiliary door closure is opened, it is achieved uncap laborsaving；
When door closure is in opening, the threaded engagement portion of translation cam with the rotatable engagement portion rotating cam is
Cam limit coordinates so that under the position-limiting action of translation cam casing limit mechanism outside and at compression spring
Resilient force under with rotate cam and fit tightly, now close door closure, door closure drives outer shaft to rotate,
And then driving trocar sheath to rotate, trocar sheath drives translation cam to rotate against cam again and rotates backward, simultaneously
Coordinated with the cam curved surface in the rotatable engagement portion rotating cam by the threaded engagement portion of translation cam, force
The elastic force of compression spring is overcome to shift to away from rotation under the position-limiting action of translation cam casing limit mechanism outside
One end of rotating cam, and be converted to hinder translation by the cooperation of this cam curved surface by the elastic force of compression spring
Cam rotates against the rotation torsion of cam rotation, i.e. produces door closure and closes damping, it is achieved door closure closes
Close the most descending.Simple in construction, safe and reliable, during door closure upper and lower folding axis of rotation flexibly, behaviour
Make comfortable feel.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram that this utility model is applied to door closure；
Fig. 2 is sectional structure schematic diagram of the present utility model；
Fig. 3 is the sectional structure schematic diagram of trocar sheath of the present utility model；
Fig. 4 is the structural representation of rotation cam of the present utility model；
Fig. 5 is the structural representation of translation cam of the present utility model；
Fig. 6 is decomposition texture schematic diagram of the present utility model；
Fig. 7 is the structural representation of another rotation cam of the present utility model；
Fig. 8 is the structural representation of another translation cam of the present utility model；
Fig. 9 is another decomposition texture schematic diagram of the present utility model.
In Fig. 1 to Fig. 9: 100. rotating shaft damping units, 200. outer shafts；201. draw-in groove；Turn in 300.
Axle；400. shaft coupling piece；500. door closure；
110. trocar sheath；111. keyway；112. seal groove；113. through hole；114. spacing axle keys；120 rotations
Rotating cam；121. connecting shaft；122. rotatable engagement portions；1221. rotary side initiate confined planes；1222. rotation
Change one's position stage casing spiral camber；1223. rotary side end confined planes；130. translation cam；131. sliding flat keys；
132. threaded engagement portions；1321. translation sides initiate confined planes；1322. translation stage casing, side spiral cambers；1323.
Translation side end confined planes；140. compression spring；150. cock；160.O type circle.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
A kind of labour-saving rotating shaft damping unit 100 as shown in Figures 1 to 9, including trocar sheath 110, rotation
Rotating cam 120, translation cam 130 and compression spring 140, rotate cam 120, translation cam 130 and
Compression spring 140 is sequentially arranged in trocar sheath 110, the two ends of compression spring 140 respectively with trocar sheath
End and the translation cam 130 of 110 abut, and trocar sheath 110 is provided with for limiting translation cam 130 along outward
The position-limit mechanism that sleeve pipe 110 moves axially.
In the present embodiment, it is additionally provided with cock 150, the two ends of compression spring 140 in the end of trocar sheath 110
Abut with described cock 150 and translation cam 130 respectively.Cock 150 is selectable unit (SU), cock 150
Effect be the position by regulating cock 150 and adjust the reduction length of compression spring 140, and then adjust
Joint compression spring 140 acts on the elastic force on translation cam 130.Specifically, cock 150 and overcoat
Pipe 110 is threaded, and the outer end of cock 150 is provided with flat mouth groove, cross recess or interior hexagonal etc., in order to
Position by the relative trocar sheath 110 of instrument regulating cock 150.Need exist for explanation, pressure bullet
Spring 140 role is to apply transverse pressure to translation cam 130, and therefore compression spring 140 can be adopted
The pressure elements of horizontal force can be applied to translation cam 130 with other and carry out equivalence replacement, such as:
Shell fragment, damper rod, buffer, pressure accumulation sponge and gum elastic etc..
In the present embodiment, the end of trocar sheath 110 is additionally provided with and rotates the O type that cam 120 sealing coordinates
Circle 160.O 160 is selectable unit (SU), and the effect of O 160 is to realize rotating cam 120 with outer
Sealing between sleeve pipe 110, is such as applied to the door closure 500 of dish-washing machine when this rotating shaft damping unit 100
Time in rotating shaft, O 160 can prevent rinse water from entering in trocar sheath 110, in trocar sheath 110
Parts play corrosion protection effect.Specifically, the inwall of trocar sheath 110 is provided with seal groove 112, outward
End neighbouring with this seal groove 112 on sleeve pipe 110 is provided with through hole 113, rotates cam 120 and is provided with connection
Axle 121, described O 160 is sheathed at the shaft shoulder of this connecting shaft 121, rotates the connection of cam 120
Axle 121 is through the through hole 113 of trocar sheath 110, and described O 160 is installed in trocar sheath 110
In seal groove 112, through hole 113 gap of the connecting shaft 121 and trocar sheath 110 that rotate cam 120 is joined
Close, rotate cam 120 and be stressed the elastic force of spring 140 and then O 160 is squeezed in trocar sheath
In the seal groove 112 of 110, sealing effectiveness is preferable.
In the present embodiment, described position-limit mechanism is the keyway 111 being arranged on trocar sheath 110 inwall, translation
Cam 130 is provided with the sliding flat key 131 coordinated with the sliding of described keyway 111.The cunning of translation cam 130
Move flat key 131 to be arranged in the keyway 111 on trocar sheath 110 inwall, thus limit translation cam 130
Can only the most traversing along trocar sheath 110, need exist for explanation, keyway 111 and sliding flat key 131
It is to limit the moving direction of translation cam 130 as spacing matching mechanism role, flat by changing
The shifting cam 130 position in trocar sheath 110 changes compression spring 140 and puts on translation cam 130
On active force, wherein sliding flat key 131 can also can realize spacing cooperation with other with keyway 111
Mechanism's equivalence is replaced, and such as: arrange groove on translation cam 130, places and keyway 111 in groove
The steel ball coordinated；Or the spacing preiection knot coordinated with keyway 111 is directly set on translation cam 130
Structure.Keyway 111 or gathering sill additionally can also be set on translation cam 130, and at trocar sheath 110
Inwall on the slide rail that coordinate spacing with this keyway 111 or gathering sill or position-limit mechanism are set.
This rotating shaft damping unit 100 is arranged between the outer shaft 200 of rotating shaft mechanism and interior rotating shaft 300,
Outer shaft 200 is fixing with door closure 500 to be connected, and interior rotating shaft 300 is fixing with body to be connected, outer shaft 200
And it is rotationally connected, wherein by rotating shaft damping unit 100 described in the utility model between interior rotating shaft 300
Trocar sheath 110 is fixing with outer shaft 200 to be connected, and specifically, trocar sheath 110 is provided with spacing axle key 114,
Outer shaft 200 is provided with the spacing draw-in groove 201 that coordinate spacing with this spacing axle key 114, the limit of trocar sheath 110
In the fixing spacing draw-in groove 201 being arranged in outer shaft 200 of position axle key 114, rotation cam 120 and interior turn
Axle 300 is fixing to be connected, and specifically, is additionally provided with axle and is connected between rotation cam 120 and interior rotating shaft 300
Part 400, rotates the connecting shaft 121 of cam 120 and fixes with this shaft coupling piece 400 and be connected, this shaft coupling piece
400 fixing with interior rotating shaft 300 are again connected.Need exist for explanation, according to actual installation needs, this turn
The trocar sheath 110 of axle damping unit 100 can also be connected with interior rotating shaft 300, rotates cam 120 simultaneously
It is connected with outer shaft 200；Or is connected fixing to outer shaft 200 and body, simultaneously in rotating shaft 300 and
Door closure 500 is fixing to be connected.It addition, a basis can be arranged between outer shaft 200 and interior rotating shaft 300
Rotating shaft damping unit 100, it is also possible to multiple rotating shaft damping units 100 are set.
Further, end face translation cam 130 connected with rotation cam 120 is provided with threaded engagement portion
132, rotate the end face connected with translation cam 130 on cam 120 and be provided with and described threaded engagement portion 132
The rotatable engagement portion 122 coordinated.
When door closure 500 is closed, the threaded engagement portion 132 of translation cam 130 is convex with rotation
The rotatable engagement portion 122 of wheel 120 coordinates for cam curved surface so that translation cam 130 is located remotely from rotation
One end of cam 120, now opens door closure 500, and door closure 500 drives outer shaft 200 to rotate, and then band
Dynamic trocar sheath 110 rotates, and trocar sheath 110 drives translation cam 130 to rotate against cam 120 again and rotates,
Translation cam 130 is shifted to rotate cam 120 under the resilient force of compression spring 140 simultaneously, and passes through
The threaded engagement portion 132 of translation cam 130 is bent with the cam in the rotatable engagement portion 122 rotating cam 120
Face coordinates, and the elastic force of compression spring 140 is coordinated by this cam curved surface and is converted to additional translational cam
130 rotate against the rotation torsion that cam 120 rotates, i.e. auxiliary door closure 500 is opened, it is achieved uncap laborsaving；
When door closure 500 is in opening, the threaded engagement portion 132 of translation cam 130 and rotation cam 120
Rotatable engagement portion 122 be cam limit coordinate so that translation cam 130 is at trocar sheath 110 position restrainer
Fit tightly with rotation cam 120 under the position-limiting action of structure and under the resilient force of compression spring 140,
Now closing door closure 500, door closure 500 drives outer shaft 200 to rotate, and then drives trocar sheath 110 to rotate,
Trocar sheath 110 drives translation cam 130 to rotate against cam 120 again and rotates backward, simultaneously by translation
The threaded engagement portion 132 of cam 130 and the cam curved surface in rotatable engagement portion 122 rotating cam 120 are joined
Close, force translation cam 130 to overcome compression spring 140 under the position-limiting action of trocar sheath 110 position-limit mechanism
Elastic force shift to away from rotate cam 120 one end, and by the elastic force of compression spring 140 by should
Cam curved surface coordinates the rotation torsion being converted to hinder translation cam 130 to rotate against cam 120 rotation,
I.e. show as door closure 500 and close damping, it is achieved door closure 500 is closed the most descending.Simple in construction,
Safe and reliable, during door closure about 500 folding, axis of rotation is flexible, operating handle is comfortable.
Seeing Fig. 4, Fig. 5 and Fig. 6, in present embodiment, translation cam 130 is provided with Liang Gecheng center
Symmetrical described threaded engagement portion 132, rotates cam 120 and is provided with two described rotations being centrosymmetric
Auxiliary section 122, so that translation cam 130 is evenly distributed with rotating circumferencial direction torsion suffered by cam 120,
One described threaded engagement portion 132 only can certainly be set on translation cam 130, and convex rotating
On wheel 120, a matched described rotatable engagement portion 122 is only set.Wherein, on translation cam 130
Described threaded engagement portion 132 include that translating side initiates confined planes 1321, translation stage casing, side spiral camber
1322 and translation side end confined planes 1323, the described rotatable engagement portion 122 rotated on cam 120 includes
Initiate the spacing rotary side coordinated of confined planes 1321 with described translation side and initiate confined planes 1221 and described flat
Move stage casing, side spiral camber 1322 tangential sliding cooperation rotary side stage casing spiral camber 1222 and with institute
State the rotary side end confined planes 1223 of translation side end confined planes 1323 twist-fit.Door closure 500 is closed
During state, the translation side of translation cam 130 initiates confined planes 1321 and rises with the rotary side rotating cam 120
Beginning confined planes 1221 offsets, and translation side initiates confined planes 1321 and rotary side initiates the oblique of confined planes 1221
Spending less, incline to plane and offset, the elastic force of compression spring 140 initiates confined planes 1321 by this translation side
After initiateing with rotary side that confined planes 1221 is spacing and coordinating conversion, act on the auxiliary door rotated on cam 120
The rotary torsion of lid 500 unlatching is less, now needs bigger opening force to open door closure 500, so ensures
Door closure 500 can keep good closedown under without External Force Acting；After door closure 500 opens certain angle,
Translation cam 130 rotates against cam 120 and turns an angle, now the translation side of translation cam 130
Stage casing spiral camber 1322 and the tangential sliding of rotary side stage casing spiral camber 1222 rotating cam 120 are joined
Closing, the elastic force of compression spring 140 is by this stage casing, translation side spiral camber 1322 and rotary side stage casing spiral shell
After the rotation tangential curved surface of curved surface 1222 coordinates conversion, act on the auxiliary door closure 500 rotated on cam 120 and open
The rotary torsion opened is relatively big, and such as aforesaid operating principle, it is the most laborsaving that this stage opens door closure 500；Work as door
After lid 500 unlatching larger angle, the translation side end confined planes 1323 of translation cam 130 and rotation cam
The spacing cooperation of rotary side end confined planes 1223 of 120, under the resilient force of compression spring 140,
Translation cam 130 plays position-limiting action, so that door closure 500 to be fixed on this aperture position to rotating cam 120
Put, effectively prevent door closure 500 from dropping voluntarily closedown, in case there is contingency.When door closure closed by needs
When 500, as previously described, because stage casing, the translation side spiral camber 1322 of translation cam 130 is convex with rotation
The tangential sliding of rotary side stage casing spiral camber 1222 of wheel 120 coordinates, and produces in door closure 500 closing process
Significantly damping, it is achieved door closure 500 is closed the most descending, to prevent door closure 500 quick closedown
Journey causes accident；After door closure 500 closes certain angle, translation cam 130 rotates against cam
120 turn an angle, and now the translation side of translation cam 130 initiates confined planes 1321 and rotates cam
The rotary side of 120 initiates the spacing cooperation of confined planes 1221, and now damping substantially weakens, generally these rank
Section door closure 500 opening angle is less, does not easily cause contingency, thus door closure 500 is made at self gravitation
With lower quick closedown.
Alternatively, see Fig. 7, Fig. 8 and Fig. 9, translation cam 130 be provided with two in
The described threaded engagement portion 132 that minute surface is symmetrical, rotation cam 120 is provided with two and is mirrored the described of symmetry
Rotatable engagement portion 122, so that the rotational angle that translation cam 130 rotates against cam 120 is bigger, certainly
One described threaded engagement portion 132 can also be only set on translation cam 130, and rotating cam
One matched described rotatable engagement portion 122 is only set on 120.Wherein, on translation cam 130
Described threaded engagement portion 132 includes that translating side initiates confined planes 1321, translation stage casing, side spiral camber 1322
With translation side end confined planes 1323, the described rotatable engagement portion 122 rotated on cam 120 includes and institute
State translation side and initiate confined planes 1321 and the rotary side of the described translation side spacing cooperation of end confined planes 1323
In the rotary side that initial confined planes 1221 coordinates with the tangential sliding of stage casing, described translation side spiral camber 1322
Section spiral camber 1222 and initiate spacing with described translation side end confined planes 1323 and described translation side
The rotary side end confined planes 1223 of face 1321 twist-fit.During door closure 500 closed mode, translation cam
The translation side of 130 initiates the rotary side of confined planes 1321 and rotation cam 120 and initiates confined planes 1221 and offset,
Now translation cam 130 and rotation cam 120 lie farthest away, after door closure 500 opens certain angle,
Translation cam 130 rotates against cam 120 and turns an angle, now the translation side of translation cam 130
Stage casing spiral camber 1322 and the tangential sliding of rotary side stage casing spiral camber 1222 rotating cam 120 are joined
Closing, now translation cam 130 is shifted to rotate cam 120, continues on door closure 500, translation cam 130
The rotary side of translation side end confined planes 1323 and rotation cam 120 initiate confined planes 1221 and offset,
The translation side of translation cam 130 initiates confined planes 1321 and the rotary side end limit rotating cam 120 simultaneously
Plane 1223 offsets, and now translation cam 130 fits tightly with rotating cam 120.Close door closure 500
Process as previously shown, repeat no more.
Wherein, the curve of translation stage casing, side spiral camber 1322 and rotary side stage casing spiral camber 1222 is adopted
The consistent cosine curve of the torsion that is assigned in rotating shaft with gravity when opening with door closure 500, spiral curve,
Screw thread curve, SPL or other curves.
In the present embodiment, stage casing, described translation side spiral camber 1322 and described rotary side stage casing spiral camber
Center of circle angle corresponding to the head and the tail two ends of 1222 is 90 °, and this center of circle angle is according to the aperture of door closure 500
Depending on size, stage casing, described translation side spiral camber 1322 and/or described rotary side stage casing spiral camber 1222
The altitude range at head and the tail two ends be: 3-8mm, this altitude range i.e. translation cam 130 rotates against cam
The translation distance of 120, can be arranged according to the size of corresponding door closure 500 weight.
The above is only better embodiment of the present utility model, therefore all according to this utility model patent application
The equivalence that structure, feature and principle described in scope is done changes or modifies, and is all included in this utility model
In patent claim.
Claims (9)
1. a labour-saving rotating shaft damping unit, it is characterised in that: include trocar sheath (110), rotate convex
Wheel (120), translation cam (130) and compression spring (140), rotate cam (120), translation cam
(130) it is sequentially arranged in trocar sheath (110) with compression spring (140), compression spring (140)
Two ends abut with end and the translation cam (130) of trocar sheath (110) respectively, trocar sheath (110)
It is provided with for limiting the position-limit mechanism that translation cam (130) moves axially along trocar sheath (110), translation
The upper end face connected with rotation cam (120) of cam (130) is provided with threaded engagement portion (132), rotates
The upper end face connected with translation cam (130) of cam (120) is provided with and described threaded engagement portion (132)
The rotatable engagement portion (122) coordinated.
A kind of labour-saving rotating shaft damping unit the most according to claim 1, it is characterised in that: overcoat
The end of pipe (110) is provided with the cock (150) of position-adjustable, and the two ends of compression spring (140) are divided
Do not abut with described cock (150) and translation cam (130).
A kind of labour-saving rotating shaft damping unit the most according to claim 1 and 2, it is characterised in that:
The end of trocar sheath (110) is provided with and rotates the O (160) that cam (120) sealing coordinates.
A kind of labour-saving rotating shaft damping unit the most according to claim 1, it is characterised in that: described
Position-limit mechanism is the keyway (111) being arranged on trocar sheath (110) inwall, on translation cam (130)
It is provided with the sliding flat key (131) coordinated with described keyway (111) sliding.
A kind of labour-saving rotating shaft damping unit the most according to claim 1 and 2, it is characterised in that:
Described threaded engagement portion (132) on translation cam (130) include translate side initiate confined planes (1321),
Translation stage casing, side spiral camber (1322) and translation side end confined planes (1323), rotate cam (120)
On described rotatable engagement portion (122) include initiateing with described translation side that confined planes (1321) is spacing to be coordinated
Rotary side initiate the tangential sliding in confined planes (1221) and stage casing spiral camber, described translation side (1322)
Coordinate rotary side stage casing spiral camber (1222) and with described translation side end confined planes (1323)
Rotary side end confined planes (1223) of twist-fit.
6. according to the arbitrary described a kind of labour-saving rotating shaft damping unit of claim 1,2,4, its feature
It is: the described threaded engagement portion (132) on translation cam (130) includes that translating side initiates confined planes
(1321), translation stage casing, side spiral camber (1322) and translation side end confined planes (1323), rotation
Described rotatable engagement portion (122) on cam (120) includes initiateing confined planes (1321) with described translation side
With the rotary side of described translation side end confined planes (1323) spacing cooperation initiate confined planes (1221) and
Rotary side stage casing spiral camber (1222) that the tangential sliding in stage casing spiral camber, described translation side (1322) coordinates
And initiate confined planes (1321) torsion with described translation side end confined planes (1323) and described translation side
Turn rotary side end confined planes (1223) coordinated.
7. according to the arbitrary described a kind of labour-saving rotating shaft damping unit of claim 1,2,5, its feature
It is: translation cam (130) is provided with plural described threaded engagement portion (132), rotates cam
(120) it is provided with plural described rotatable engagement portion (122).
A kind of labour-saving rotating shaft damping unit the most according to claim 3, it is characterised in that: overcoat
The inwall of pipe (110) is provided with seal groove (112), and trocar sheath (110) is upper and this seal groove (112) is adjacent
Near end is provided with through hole (113), rotates cam (120) and is provided with connecting shaft (121), described O
(160) it is sheathed at the shaft shoulder of this connecting shaft (121), rotates the connecting shaft (121) of cam (120)
Through the through hole (113) of trocar sheath (110), and described O (160) is installed in trocar sheath (110)
Seal groove (112) in.
A kind of labour-saving rotating shaft damping unit the most according to claim 1 and 2, it is characterised in that:
Trocar sheath (110) is provided with spacing axle key (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620061031.2U CN205478870U (en) | 2016-01-21 | 2016-01-21 | Laborsaving pivot damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620061031.2U CN205478870U (en) | 2016-01-21 | 2016-01-21 | Laborsaving pivot damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478870U true CN205478870U (en) | 2016-08-17 |
Family
ID=56639226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620061031.2U Active CN205478870U (en) | 2016-01-21 | 2016-01-21 | Laborsaving pivot damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478870U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939820A (en) * | 2017-12-29 | 2018-04-20 | 昆山嘉玮泰传动科技有限公司 | The closed shaft and electronic equipment of torsional force linear change |
| WO2020093348A1 (en) * | 2018-11-09 | 2020-05-14 | Hewlett-Packard Development Company, L.P. | Hinge assembly |
| CN111691131A (en) * | 2019-03-12 | 2020-09-22 | 青岛海尔洗衣机有限公司 | Damper and laundry treating apparatus |
| CN112747077A (en) * | 2019-10-31 | 2021-05-04 | 青岛海尔洗衣机有限公司 | Damping device and washing machine provided with same |
| CN112797105A (en) * | 2020-12-30 | 2021-05-14 | 佛山科学技术学院 | Rotary viscous damper |
-
2016
- 2016-01-21 CN CN201620061031.2U patent/CN205478870U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939820A (en) * | 2017-12-29 | 2018-04-20 | 昆山嘉玮泰传动科技有限公司 | The closed shaft and electronic equipment of torsional force linear change |
| WO2020093348A1 (en) * | 2018-11-09 | 2020-05-14 | Hewlett-Packard Development Company, L.P. | Hinge assembly |
| CN111691131A (en) * | 2019-03-12 | 2020-09-22 | 青岛海尔洗衣机有限公司 | Damper and laundry treating apparatus |
| CN112747077A (en) * | 2019-10-31 | 2021-05-04 | 青岛海尔洗衣机有限公司 | Damping device and washing machine provided with same |
| CN112797105A (en) * | 2020-12-30 | 2021-05-14 | 佛山科学技术学院 | Rotary viscous damper |
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