CN205923885U - Fluid buffer and take buffer device - Google Patents
Fluid buffer and take buffer device Download PDFInfo
- Publication number
- CN205923885U CN205923885U CN201620497986.2U CN201620497986U CN205923885U CN 205923885 U CN205923885 U CN 205923885U CN 201620497986 U CN201620497986 U CN 201620497986U CN 205923885 U CN205923885 U CN 205923885U
- Authority
- CN
- China
- Prior art keywords
- housing
- outer housing
- cushion device
- protuberance
- fluid cushion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 88
- 230000002093 peripheral effect Effects 0.000 claims abstract description 90
- 238000003466 welding Methods 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 description 15
- 238000005476 soldering Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- -1 dioctyl phthalate butanediol ester Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
- A47K13/26—Mounting devices for seats or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toilet Supplies (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a take buffer device that fluid buffer and have fluid buffer, fluid buffer can fix the dustcoat to the tip of the casing of constitution surge chamber suitably. Tip (25) that constitute casing (20) of the tube -shape of surge chamber in fluid buffer (10) are fixed with dustcoat (60) that have hole (61) confession rotation axis (40) link up. Dustcoat (60) through the outer peripheral face formed at dustcoat (60) (62) external screw thread (66) and formed at internal thread (226) of inner peripheral surface (220) of casing (20) and be fixed in casing (20). Be formed with the step portion (227) that one side (L1) butt was followed to confession dustcoat (60) in inner peripheral surface (220) of casing (20), outer peripheral face (62) of dustcoat (60) are leaning on the position of one side (L1) being welded together with inner peripheral surface (220) of casing (20) than step portion (227).
Description
Technical field
This utility model is related to a kind of fluid cushion device that fluid is filled between housing and rotary shaft and band is slow
Rush equipment.
Background technology
In the fluid cushion device that fluid is filled between housing and rotary shaft, in the side of the axis direction of housing
End be fixed with outer housing, described outer housing has the hole for rotary shaft insertion.It has been proposed that outer housing is being fixed to housing
The method of Shi Liyong ultrasonic bonding.In this ultrasonic bonding, soldering tip and the end face of the rear side of the direction of insertion of outer housing is made to support
Connect and produce ultrasound wave, and make same with what the inner peripheral surface of housing welded in the outer peripheral face of overlapping outer housing when axis direction is observed
When, outer housing is pressed (with reference to patent documentation 1) into housing.
Prior art literature
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Publication 2012-202504 publication
Utility model content
Utility model problem to be solved
But, while the inner peripheral surface of the outer peripheral face to outer housing and housing carries out ultrasonic bonding by outer housing to housing in
In the structure of pressing, if the CHI-pulse and CUN-pulse being irregular of outer housing is uneven, outer housing changes to the intrusion in housing.As a result, existing
There are the indoor volume variation of buffer, the unstable problem of shock-absorbing capacity.And, if outer housing is to the press-in quantitative change in housing
Move and be ultrasonically welded with rotary shaft it is likely that there is outer housing, thus leading to the problem that rotary shaft cannot rotate.
In view of the above problems, problem of the present utility model is that outer housing can be appropriately secured to constitute surge chamber by offer
The fluid cushion device of the end of housing and the band buffer device with fluid cushion device.
For solving the technical scheme of problem
In order to solve above-mentioned problem, the fluid cushion device involved by this utility model is characterised by, it includes：Tubular
Housing, described housing constitutes surge chamber；Rotary shaft, described rotary shaft is inserted in described housing；Fluid, described fluid quilt
It is filled in described housing；And outer housing, described outer housing has the hole for described rotary shaft insertion, and is embedded in described housing
The end of the side of axis direction inner side, be formed with stage portion in the inner peripheral surface of described housing, described outer housing is from described one
Side abuts described stage portion, and the outer peripheral face of described outer housing is leaning on described side with the inner peripheral surface of described housing than described stage portion
Position is welded together.
In this utility model, because the outer peripheral face of outer housing is welded together with the inner peripheral surface of housing, therefore, it is possible to incite somebody to action
Outer housing is fixed in housing.And, it is because the inner peripheral surface in housing is formed with the stage portion abutting for outer housing from side, therefore outer
That covers is limited to the intrusion in housing by stage portion.Therefore, outer housing is stable to the intrusion in housing.Thus, it is possible to suppress
The indoor volume variation of buffering, thus shock-absorbing capacity is stable.And, because outer housing is limited to the intrusion in housing by stage portion
System, therefore, it is possible to prevent outer housing from welding together with rotary shaft when the outer peripheral face of welding outer housing is with the inner peripheral surface of housing.
In this utility model, can adopt in such a way：In the outer peripheral face and described housing of described outer housing
One of side face face is formed with the position leaning on described side than the described stage portion protuberance prominent to another face, and described
Protuberance is welded together with another face described.
In this utility model, preferably described protuberance is formed as helical form and constitutes screw thread, is formed in another face described
There is the helicla flute embedding for described protuberance, described outer housing is fixed by screw threads for fastening by described protuberance and described helicla flute.Root
According to this structure, outer housing and housing fixing intensity in the axial direction is high.Therefore, even if the feelings in the indoor hypertonia of buffering
Under condition, it is not easy to produce the situation that outer housing is extruded towards outside.And, because outer housing to stop rotation by welding, therefore
The outer inner side rotation covering on housing, the location dislocation of outer housing can be reliably prevented.
In this utility model, preferably described outer housing and described housing are made up of identical resin raw material.According to this structure,
Can be reliably carried out welding.
In this utility model, the external diameter of preferably described housing is formed as the outer peripheral face of described outer housing and the interior of described housing
The part of side face welding is partly less than what described stage portion was located.According to this structure, being readily apparent in the outer peripheral face of housing makes to surpass
The position that the soldering tip of sound wave welding abuts.
In this utility model, being integrally located in described housing of preferably described outer housing.According to this structure, can be by fluid
The axis direction of buffer unit compact in size.
In the band buffer device of the fluid cushion device having involved by this utility model, for example, can adopt this knot
Structure：In described rotary shaft, the opening and closing member rotating with respect to apparatus body is installed.
In this utility model, in the described opening and closing member for example, toilet seat of Western-style toilet and toilet lid at least
One.
Utility model effect
In fluid cushion device involved by this utility model and band buffer device, due to outer peripheral face and the shell of outer housing
The inner peripheral surface of body is welded together, therefore, it is possible to be fixed to outer housing in housing.And, because the inner peripheral surface in housing is formed
There is the stage portion abutting from side for outer housing, therefore outer housing is limited to the intrusion in housing from stage portion.Therefore, outer housing to
Intrusion in housing is stable.Thereby, it is possible to suppress to buffer indoor volume variation, therefore shock-absorbing capacity is stable.And, due to
Limit outer housing by stage portion to the intrusion in housing, therefore, it is possible in the outer peripheral face of welding outer housing and the inner peripheral surface of housing
When prevent outer housing from welding together with rotary shaft.
Brief description
Fig. 1 is to have the Western-style toilet having installed the fluid cushion device involved by embodiment 1 of the present utility model
The explanatory diagram of Western-style toilet unit.
Fig. 2 (a), Fig. 2 (b) are the axonometric chart of the fluid cushion device involved by embodiment 1 of the present utility model.
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the transverse sectional view of the fluid cushion device involved by Fig. 2.
Fig. 4 is the longitudinal sectional view of the fluid cushion device shown in Fig. 2.
Fig. 5 (a), Fig. 5 (b) are the exploded perspective view of the fluid cushion device shown in Fig. 2.
Fig. 6 is the axonometric chart of the valve element of fluid cushion device shown in the Fig. 2 observing from the opposite side of axis direction etc..
Fig. 7 is the sectional view of the fluid cushion device involved by variation of embodiment 1 of the present utility model.
Fig. 8 is the sectional view of the fluid cushion device involved by embodiment 2 of the present utility model.
Description of reference numerals
1 Western-style toilet
2 closestool bodys
5 toilet seats
6 toilet lid
10 fluid cushion devices
11 surge chambers
12 fluids
20 housings
21 diapires
22 main parts
23 interval protuberances
25 ends
30 rotors
50 valve elements
60 outer housings
The hole of 61 outer housings
The outer peripheral face of 62 outer housings
62a, 66a, 226b protuberance
The end face of 63 outer housings
The recess of 64 outer housings
66 external screw threads
66b, 226a helicla flute
100 Western-style toilet units
The inner peripheral surface of 220 housings
226 female threads
227 stage portion
L axis
L1 side
L2 opposite side
Specific embodiment
Hereinafter, referring to the drawings embodiment of the present utility model is illustrated.In addition, in the following description, to turn
The direction that the central axis of the rotary shaft 40 in son 30 is extended is axis L direction, to project from housing 20 on axis L direction
The side having rotary shaft 40 is side L1, with the side contrary with the side protruding rotary shaft 40 from housing 20 for opposite side L2
To illustrate.
[embodiment 1]
(with the overall structure of buffer device and fluid cushion device 10)
Fig. 1 is to have the Western-style toilet 1 having installed the fluid cushion device 10 involved by embodiment 1 of the present utility model
Western-style toilet unit 100 explanatory diagram.Fig. 2 (a), Fig. 2 (b) are that the fluid involved by embodiment 1 of the present utility model delays
The axonometric chart of flushing device 10, Fig. 2 (a) is the axonometric chart of the fluid cushion device 10 observed from the side L1 in axis L direction, figure
2 (b) is the axonometric chart of the fluid cushion device 10 observed from the opposite side L2 in axis L direction.
Western-style toilet unit 100 shown in Fig. 1 has Western-style toilet 1 (band buffer device) and water tank 3.Western-style toilet 1
There is closestool body 2 (apparatus body), toilet lid 6 (opening and closing that toilet seat 5 (opening and closing member) that resin is made, resin are made
Part) and unit outer housing 7 etc..Fluid cushion device 10 described later is used for toilet seat and toilet lid and is built in unit
The inside of outer housing 7, toilet seat 5 and toilet lid 6 are connected with closestool body 2 by fluid cushion device 10 respectively.Here, by
Phase can be used in the fluid cushion device 10 being connected with toilet seat 5 and the fluid cushion device 10 being connected with toilet lid 6
Isostructural device, is therefore said in the following description centered on the fluid cushion device 10 being connected with toilet seat 5
Bright.
As shown in Fig. 2 (a), Fig. 2 (b), fluid cushion device 10 has columned fluid cushion device in opposite side L2
Body 10a.The connecting portion 10b (output shaft) of shaft-like is prominent to side L1 from fluid cushion device body 10a, connecting portion 10b with
Toilet seat 5 connects.This fluid cushion device 10 the toilet seat 5 holded up topple over and during closestool body 2 to be fallen, produce with
The power (load) that this mutually resists, to reduce the speed that toilet seat 5 is toppled over.The face toward each other of connecting portion 10b is tabular surface
10c, prevents toilet seat 5 from dallying with respect to connecting portion 10b by this tabular surface 10c.
(overall structure of fluid cushion device 10)
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the transverse sectional view of the fluid cushion device 10 shown in Fig. 2 (a), Fig. 2 (b),
Fig. 3 (a) be in the position through valve element 50 with the face along axis L by fluid cushion device 10 cutting when sectional view, Fig. 3 (b)
Be in the position through interval protuberance 23 with the face along axis L by fluid cushion device 10 cutting when sectional view, Fig. 3 (c)
For the sectional view near enlarged representation outer housing 60.Fig. 4 is longitudinal section view of the fluid cushion device 10 shown in Fig. 2 (a), Fig. 2 (b)
Figure, and be in the position through valve element 50 with the face with axis L-orthogonal by fluid cushion device 10 cutting when sectional view.Fig. 5
A (), Fig. 5 (b) are the exploded perspective view of the fluid cushion device 10 shown in Fig. 2 (a), Fig. 2 (b), Fig. 5 (a) is from axis L direction
Side L1 observe the exploded perspective view of state after outer housing 60 is taken off by housing 20, Fig. 5 (b) is from axis L direction
Side L1 observes the exploded perspective view of the state after rotary shaft 40 etc. is taken off by housing 20.Fig. 6 is the opposite side from axis L direction
L2 observes the axonometric chart of the valve element 50 of fluid cushion device 10 shown in Fig. 2 (a), Fig. 2 (b) etc..
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 4 and Fig. 5 (a), Fig. 5 (b), fluid cushion device 10 has：Cylinder
The housing 20 of shape, described housing 20 has diapire 21 in opposite side L2；Rotor 30, the opposite side L2 of described rotor 30 configures in shell
The inner side of body 20；And circular outer housing 60, described outer housing 60 is in the opening 29 of side L1 closing housing 20.In outer housing 60 shape
Become the hole 61 having rotary shaft 40 insertion for rotor 30.In the present embodiment, housing 20 and outer housing 60 are all to benzene by poly-
The synthetic resin that the identical resin raw material such as dioctyl phthalate butanediol ester (PBT) and polyformaldehyde (POM) is formed.
Housing 20 has the main part 22 of the cylindrical shape extending from the outer peripheral edge of diapire 21 to side L1.Main part 22 is in week
Internal diameter is identical upwards.It is formed with the recess 210 of circle in the central authorities of the diapire 21 of housing 20, described recess 210 is towards opposite side
L2 is recessed, and the end 49 of the opposite side L2 of the rotary shaft 40 of rotor 30 is supported as rotating.
Two intervals are prominent to radially inner side from the inner peripheral surface 220 of main part 22 with protuberance 23.Two interval protuberances 23
It is formed at the angle position of difference 180 degree in the circumferential.In the present embodiment, two interval protuberances 23 all make opposite side L2
End be connected with diapire 21.The interval trapezoidal shape in section of protuberance 23, and the circumferential size being spaced with protuberance 23 is (thick
Degree) thinning to inner side from radial outside.
Rotor 30 has：Rotary shaft 40, the opposite side L2 in the axis L direction of described rotary shaft 40 configures in housing 20
Side；And valve element 50, described valve element 50 kept by rotary shaft 40.Rotary shaft 40 is resin, and has：The first of pole shape
Axle portion 41, described the first axle part 41 is located at the inner side of housing 20；And the second axle part 42, described the second axle part 42 compares the first axle part
41 extend towards side L1.The external diameter of the end 49 of opposite side L2 than rotary shaft 40 for the external diameter of the first axle part 41 is big, the second axle
The external diameter in portion 42 is bigger than the external diameter of the first axle part 41.In the present embodiment, end 49 is formed as cylindric, and is to become in resin
The resin of cast gate not outstanding structure is remained in during type.And, the external diameter of the second axle part 42 is also outer than the first axle part 41
Footpath is little.And, end 49 may be alternatively formed to the cylinder portion of long round shape.
It is formed with the first flange part 43 and the circle of circle between the first axle part 41 and the second axle part 42 of rotary shaft 40
Second flange part 44 of shape, described first flange part 43 is adjoined with the first axle part 41 in side L1, and described second flange part 44 exists
Side L1 is opposite across the interval of regulation with the first flange part 43.Therefore, between the first flange part 43 and the second flange part 44
It is formed with the circumferential grooves 45 of ring-type.Therefore, if to circumferential grooves 45 mounting O-shaped rings 70, and the first axle part 41 of rotary shaft 40 is inserted
To the inner side of housing 20, then O-ring 70 with the state compressed and the inner peripheral surface 220 of the main part 22 of housing 20 positioned at another
The part 229 of side L2 abuts, thus the airtight space being clamped with rotary shaft 40 by housing 20.And, the inside in housing 20,
The space being separated by the first flange part 43 is airtight as surge chamber 11, and described first flange part 43 is the one of the first axle part 41
Side L1 is opposite with diapire 21.Now, surge chamber 11 is filled with the fluids such as oil 12 (viscous fluid).
Afterwards, if outer housing 60 is inserted into consolidate between the second axle part 42 of rotary shaft 40 and the main part 22 of housing 20
Determine outer housing 60, then constitute fluid cushion device 10.Now, it is configured between outer housing 60 and the second flange part 44 of rotary shaft 40
Circular packing ring 75 (with reference to Fig. 5 (b)).
In this state, the end 49 of the opposite side L2 of rotary shaft 40 is supported by the recess 210 of the diapire 21 of housing 20
For rotating, and the inner side in the hole 61 in outer housing 60 for the second axle part 42 is supported to rotate.And, the second axle part 42
The hole 61 of a part of insertion outer housing 60 and constitute connecting portion 10b.
(detailed construction in surge chamber 11)
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) and Fig. 4, in surge chamber 11, two interval protuberances of housing 20
23 radially inner side end 231 is contacted with the outer peripheral face 410 of the first axle part 41 of rotary shaft 40.
As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 4, Fig. 5 (a), Fig. 5 (b) and Fig. 6, the first of rotary shaft 40
Two positions of the 180 degree of difference in the circumferential in the outer peripheral face 410 of axle portion 41 are formed with and are radially oriented valve element protruding outside
Supporting protuberance 46, and support valve element 50 in this two valve element supportings with protuberance 46 respectively.Two valve element supportings are equal with protuberance 46
Extend to the first flange part 43, two valve element supporting protuberances 46 from the end of the opposite side L2 of rotary shaft 40 along axis L direction
The end of side L1 be all connected with the first flange part 43.
It is formed with the first protuberance 461 and the second protuberance 462, described first protuberance 461 court in valve element supporting protuberance 46
Prominent to radial outside, described second protuberance 462 is adjacent with the first protuberance 461 in second direction B, and to be positioned against footpath outside
Side projects, and is formed with valve element support slot 460 between the first protuberance 461 and the second protuberance 462.First protuberance 461 and
The end of the side L1 of two protuberances 462 is all connected with the first flange part 43.
Valve element support slot 460 is the arc-shaped that inner peripheral surface bends in the angular range exceeding about 180 degree, and valve element 50
It is supported in valve element support slot 460.In the present embodiment, the circumferential width of the second protuberance 462 is than the circumference of the first protuberance 461
Width width.And, the distal portion of the first protuberance 461 leans on the position of radially inner side in the terminal part than the second protuberance 462.And
And, valve element supporting is narrower than in radial outside in radially inner side with the circumferential width of protuberance 46.
Valve element 50 has：Section is the base portion 51 of circular, and described base portion 51 is supported in valve element support slot 460
Can rotate around the axis parallel with axis L；And section is the terminal part 52 of convex, described terminal part 52 is from base portion 51 to footpath
Project laterally and tilted towards first direction A in the way of covering the first protuberance 461, the part of the radial outside of terminal part 52
It is located at the position leaning on radial outside than the first protuberance 461 and the second protuberance 462.
(closed structure on axis L direction in surge chamber 11)
Valve element 50 and valve element supporting with protuberance 46 identical extend along axis L direction, the end 56 of the side L1 of valve element 50
Contact with the first flange part 43.Therefore, almost do not stay gap between valve element 50 and the first flange part 43.Therefore, be formed as
Fluid 12 does not pass through between valve element 50 and the first flange part 43.On the other hand, the end 57 of the opposite side L2 of valve element 50 be located at than
Valve element supporting is with the end 467 of the opposite side L2 of protuberance 46 slightly by the position of side L1.Accordingly, with respect to valve element 50 in opposite side
L2, leaves small gap between the end 57 of the opposite side L2 of valve element 50 and the diapire 21 of housing 20.Therefore, fluid can
A little through gap circulation.
The end face 417 of the opposite side L2 of the first axle part 41 uses end 467 structure of the opposite side L2 of protuberance 46 with valve element supporting
Become continuous face.Here, in the end face 417 of the first axle part 41 and valve element the supporting end 467 of protuberance 46 and housing 20
Gap is there are between diapire 21, but the end face 417 in the opposite side L2 of the first axle part 41 and valve element supporting protuberance 46
The end 467 of opposite side L2 is formed with the first rib 16 (with reference to Fig. 6) radially extending.This first rib 16 is constituting fluid cushion
It is squeezed into the end face 417 of same the first axle part 41 and the end 467 of valve element supporting protuberance 46 and housing 20 during device 10
The corresponding state in gap between diapire 21.Therefore, end face 417 and diapire 21 that fluid 12 does not pass through the first axle part 41 are formed as
Between and do not pass through between end face 417 and the diapire 21 of valve element supporting protuberance 46.
Although there are between the end face 236 and the first flange part 43 of rotary shaft 40 of the side L1 of interval protuberance 23
Small gap, but the end face 236 in the side L1 of interval protuberance 23 is formed with the second rib 17 (reference picture radially extending
5(b)).This second rib 17 is squeezed into end face 236 and the rotary shaft of same interval protuberance 23 when constituting fluid cushion device 10
The corresponding state in gap between 40 the first flange part 43.Therefore, be formed as the end of the obstructed super-interval protuberance 23 of fluid 12
Between face 236 and the first flange part 43 of rotary shaft 40.
(outer housing 60 is with respect to the fixed structure of housing 20)
In Fig. 3 (c) and Fig. 5 (a), Fig. 5 (b), in the fluid cushion device 10 of present embodiment, by outer housing 60
When being fixed to housing 20, first, the inner peripheral surface 220 in housing 20 is formed with stage portion 227, and outer housing 60 abuts step from side L1
Portion 227.And, it is formed with the planar portions 651 (with reference to Fig. 3 (c)) of ring-type in the end face 65 of the opposite side L2 of outer housing 60.Therefore,
In the present embodiment, when outer housing 60 is embedded into the inner side of end 25 depending on side L1 than the stage portion 227 of housing 20, lead to
Cross the planar portions 651 of outer housing 60 and stage portion 227 abuts to limit outer housing 60 to the intrusion in housing 20.
And, the outer peripheral face 62 of outer housing 60 and the inner peripheral surface 220 of housing 20 are in the position depending on side L1 than stage portion 227
Use dotted line 90 surround part (with reference to Fig. 3 (c)) be welded together.In the present embodiment, outer housing 60 is being embedded into
Behind the inner side of end 25 of the side L1 of housing 20, make the soldering tip of ultrasonic bonding and in the periphery of housing 20 from radial outside
The part 28 that Fig. 2 (a) in face 24, the chain-dotted line of Fig. 2 (b) represent abuts, and to apply ultrasonic activation, and outer housing 60 is outer
Side face 62 is welded together with the inner peripheral surface 220 of housing 20.Therefore, the portion that the confession soldering tip in the outer peripheral face 24 of housing 20 abuts
Position is formed with the shallow recess 280 being formed because of the abutting of soldering tip.In the present embodiment, make the outer peripheral face 24 of soldering tip and housing 20
In separate in the circumferential two position abut and the outer peripheral face 62 to outer housing 60 weld with the inner peripheral surface 220 of housing 20
Connect.In addition, abutting state according to soldering tip etc. and there is the situation not forming recess 280.And, in the present embodiment, make
Soldering tip is abutted with separate in the circumferential two positions in the outer peripheral face 24 of housing 20, but also exists and make soldering tip and a position
Or situation about more than three positions abutting.
And, one of the inner peripheral surface 220 of the outer peripheral face 62 in outer housing 60 and housing 20 face is formed with protuberance, described
Protuberance leaning on another face that is positioned against of side L1 to project than stage portion 227, and protuberance is welded together with another face.
Here, protuberance forms helical form and constitutes screw thread, it is formed with, in another face, the helicla flute embedding for protuberance, outer housing 60 passes through convex
Portion and helicla flute screw threads for fastening and fix.For example, the outer peripheral face 62 in outer housing 60 is formed with protuberance 66a, described protuberance 66a than
Stage portion 227 leans on the inner peripheral surface 220 being positioned against housing 20 of side L1 to project, inner peripheral surface 220 quilt of protuberance 66a and housing 20
Weld together.Here, protuberance 66a is formed as helical form and constitutes screw thread in the outer peripheral face 62 of outer housing 60, in housing 20
Side face 220 is formed with the helicla flute 226a embedding for protuberance 66a.Therefore, outer housing 60 passes through protuberance 66a and helicla flute 226a screw thread
Fasten and be fixed on housing 20, in this state, protuberance 66a is welded together with helicla flute 226a.
That is, the outer peripheral face 62 in outer housing 60 is formed with external screw thread 66 (protuberance 66a), and the inner peripheral surface in housing 20
The part 228 adjacent with opening 29 in 220 is formed with female thread 226 (helicla flute 226a).Therefore, pass through outer spiral shell in outer housing 60
Stricture of vagina 66 (protuberance 66a) and female thread 226 (helicla flute 226a) screw threads for fastening and fixing after, protuberance 66a and helicla flute 226a is with this
The state of kind is welded together.In the structure shown here, can be considered：It is formed with protuberance (226b) in the inner peripheral surface 220 of housing 20, described
Protuberance is prominent to the outer peripheral face 62 of outer housing 60 in the position depending on side L1 than stage portion 227, the periphery of protuberance 226b and outer housing 60
Face 62 is welded together.And, can also be regarded as：In the inner peripheral surface 220 of housing 20, protuberance 226b is formed as helical form and constitutes
Screw thread, and the outer peripheral face 62 in outer housing 60 is formed with the helicla flute 66b embedding for protuberance 226b.
Here, in the inner peripheral surface 220 of housing 20, positioned at the part 228 (being formed with the part of female thread 226) of side L1
Internal diameter bigger than the internal diameter of the part 229 positioned at opposite side L2, positioned at side L1 part 228 with positioned at the portion of opposite side L2
Divide the stage portion 227 being formed with the ring-type towards side L1 between 229.
Outer housing 60 is synthetic resin, and forms external screw thread 66 in resin forming simultaneously.Therefore, with by cutting etc. shape
Become the situation of external screw thread 66 different, be formed with the continuous ring-type extending of circumferentially edge in the end face 65 of the opposite side L2 of outer housing 60
Planar portions 651 (with reference to Fig. 3 (c)).Therefore, in the present embodiment, when outer housing 60 is fixed on housing 20, even if in step
In the case that the width of the radial direction in portion 227 is narrow, the planar portions 651 of outer housing 60 are also reliably abutted with stage portion 227, thus can
Control outer housing 60 by ground to the intrusion in housing 20.
In the present embodiment, in outer housing 60, external diameter formed in the direction of the axisl the best part be formed with outer
The part of screw thread 66.More specifically, the external diameter of outer housing 60 is constant on whole axis L direction, in the outer peripheral face of outer housing 60
It is formed with external screw thread 66 on 62 whole axis L direction.Therefore, it is possible to whole outer housing 60 is threadably fastened to housing 20, and,
In the state of outer housing 60 is threadably fastened to housing 20, being integrally located in housing 20 of outer housing 60.Therefore, form outer housing 60 complete
Entirely not from the structure that housing 20 is prominent to opposite side L1.Thereby, it is possible to the size on the axis L direction by fluid cushion device 10
Miniaturization.
It is formed with recess 64 at multiple positions circumferentially of the end face 63 of the side L1 of outer housing 60.In present embodiment
In, it is formed with recess 64 at three positions of the circumference of the inner peripheral of the end face 63 of the side L1 of outer housing 60, in fastening outer housing 60
When, make this recess 64 engage to make outer housing 60 rotate with fixture (not shown).Here, housing 20 and outer housing 60 are resin forming
Product.Therefore, in molded housing 20, form female thread 226 etc. simultaneously, in molding outer housing 60, formed simultaneously external screw thread 66 with
And recess 64.
(action)
As shown in figure 4, in fluid cushion device 10, the toilet seat 5 shown in Fig. 1 is from holding up posture to flat attitude
During the closing motion of rotation, valve element rotor 30 (rotary shaft 40) rotates to first direction A around axis L.Therefore, valve element 50 is from fluid
12 accept pressure and rotate, and terminal part 52 is towards the second protuberance 462 side shifting.As a result, the radially outer side portions of terminal part 52
Divide and abut with the inner peripheral surface 220 of the main part 22 of housing 20.Therefore, in valve element 50 and valve element supporting with, in protuberance 46, stoping
Fluid moves to second direction B, as a result, applying load (resistance) to rotor 30 (rotary shaft 40).Even if in this situation
Under, due to leaving minim gap between the end 57 of the opposite side L2 in valve element 50 and the diapire 21 of housing 20, therefore allow to flow
Body moves a little to second direction B.Therefore, although applying load to rotor 30 (rotary shaft 40), allow with low speed to first
Direction A rotates.
On the other hand, the toilet seat 5 shown in Fig. 1 starts from lying position to the opening action holding up posture rotation
When, rotor 30 (rotary shaft 40) rotates to second direction B around axis L.Therefore, valve element 50 accepts pressure from fluid 12 and rotates,
Terminal part 52 is towards the first protuberance 461 side shifting.As a result, in the radial outside portion of terminal part 52 and the main body of housing 20
Gap is left between the inner peripheral surface 220 in portion 22.Therefore, in valve element 50 and valve element supporting with protuberance 46, allowing fluid to
One direction A moves, as a result, applying load to rotor 30 (rotary shaft 40).
(main efficacy results of present embodiment)
As described above, in the fluid cushion device 10 of present embodiment, due to having the hole for rotary shaft 40 insertion
61 outer housing 60 passes through the end 25 that welding is fixed in housing 20 side L1 in the direction of the axisl, therefore in surge chamber 11
Pressure (pressure in housing 20) by rotary shaft 40 flange part (the first flange part 43 and the second flange part 44) by outer
Cover 60 bears.Here, housing 20 inner peripheral surface 220 be formed with from side L1 abut outer housing 60 ring-type stage portion 227, and
In the position depending on side L1 than stage portion 227, the outer peripheral face 62 of outer housing 60 is welded together with the inner peripheral surface 220 of housing 20.
Therefore, though the CHI-pulse and CUN-pulse being irregular of outer housing 60 uneven it is also possible to make outer housing 60 stable to the intrusion in housing 20.Thus, it is possible to press down
Volume variation in surge chamber 11 processed, thus shock-absorbing capacity is stable.And, due to outer housing 60 to the intrusion in housing 20 by platform
Rank portion 227 limits, therefore, it is possible to prevent outer housing 60 and rotation in the inner peripheral surface 220 of the outer peripheral face 62 welding outer housing 60 and housing 20
Second flange part 44 of rotating shaft 40 welds together.
And, in the present embodiment, outer housing 60 by be formed at outer housing 60 outer peripheral face 62 external screw thread 66 and formed
It is fixed on housing 20 in the female thread 226 of the inner peripheral surface 220 of housing 20.Therefore, the fixing intensity in axis L direction is high, so as to
Enough outer housing 60 is appropriately secured to housing 20.Therefore, even if in the case of the hypertonia in surge chamber 11, it is not easy to produce
The situation that raw outer housing 60 is extruded towards outside.Even if in this case, the outer peripheral face 62 also by outer housing 60 and housing 20
Inner peripheral surface 220 welding stoping the rotation that outer housing 60 is with respect to housing 20.Therefore, it is possible to be reliably prevented outer housing 60 in shell
The inner side of body 20 rotates and leads to the location dislocation of outer housing 60.
And, because housing 20 and outer housing 60 are synthetic resin, energy therefore in molded housing 20 and outer housing 60
Enough formation female thread 226 and external screw thread 66 simultaneously.Thereby, it is possible to reduce the cost of fluid cushion device 10.
[variation of embodiment 1]
Fig. 7 is the sectional view of the fluid cushion device 10 involved by variation of embodiment 1 of the present utility model.Separately
Outward, because the basic structure of present embodiment is identical with embodiment 1, therefore identical symbol is marked to common part and save
Slightly their explanation.
As shown in fig. 7, in the fluid cushion device 10 of present embodiment, the external diameter of housing 20 is because of step-like switching part
240 and switch, the external diameter of housing 20 is diminishing leaning on the position of side L1 than switching part 240.Therefore, the outer peripheral face of outer housing 60
62 form, with the outer diameter D 1 of the housing 20 of the part of the inner peripheral surface 220 of housing 20 welding, the part must being located than stage portion 227
The outer diameter D 2 of housing 20 is little.According to this structure, have the advantage that：Easily the outer peripheral face 24 in housing 20 clearly makes ultrasound wave
The position that the soldering tip of welding abuts.Other structures are identical with embodiment 1.
[embodiment 2]
Fig. 8 is the sectional view of the fluid cushion device 10 involved by embodiment 2 of the present utility model.Further, since this
The basic structure of embodiment is identical with embodiment 1, therefore marks identical symbol for common part and omits them
Explanation.
In embodiment 1, real after outer housing 60 is fixed on by the inner side of housing 20 by external screw thread 66 and female thread 226
Welding connects, but in the present embodiment, as shown in figure 8, being not provided with external screw thread 66 and female thread 226, but by outer housing
Behind 60 inner sides being embedded into housing 20, the inner peripheral surface 220 of the outer peripheral face 62 of outer housing 60 and housing 20 is welded together.Here,
One of inner peripheral surface 220 in the outer peripheral face 62 of outer housing 60 and housing 20 face is formed with is depending on side L1 than stage portion 227
The position protuberance prominent to another face, protuberance welded together with another face.In embodiment shown in Fig. 8,
The outer peripheral face 62 of outer housing 60 is formed with and is leaning on the position of side L1 than stage portion 227 to prominent convex of the inner peripheral surface 220 of housing 20
Portion 62a, and protuberance 62a welded together with the inner peripheral surface 220 of housing 20.Here, protuberance 62a is in a portion in axis L direction
Position extends throughout complete cycle.But, protuberance 62a also may be formed at the multiple positions on axis L direction.Although in addition, eliminating figure
Show, but also can be arranged on, in the inner peripheral surface 220 of housing 20, the outer peripheral face 62 leaning on the position of side L1 to outer housing 60 than stage portion 227
Prominent protuberance, and the outer peripheral face 62 of this protuberance and outer housing 60 is welded together.Other structures are identical with embodiment 1.
(other embodiment)
In the above-described embodiment, exemplified with the fluid cushion device 10 being connected with toilet seat 5, but also can be by this reality
With new application in washing machine (band buffer device) with can be rotatably mounted to washing machine body (apparatus body)
Lid (opening and closing member)) etc. connection fluid cushion device 10.
Claims (13)
1. a kind of fluid cushion device it is characterised in that
Described fluid cushion device includes：
The housing of tubular, described housing constitutes surge chamber；
Rotary shaft, described rotary shaft is inserted in described housing；
Fluid, described fluid filled is in described housing；And
Outer housing, described outer housing has the hole for described rotary shaft insertion, and is embedded in the side of the axis direction of described housing
End inner side,
It is formed with stage portion in the inner peripheral surface of described housing, described outer housing abuts described stage portion from described side,
The outer peripheral face of described outer housing is soldered in the position leaning on described side than described stage portion with the inner peripheral surface of described housing.
2. fluid cushion device according to claim 1 it is characterised in that
One of inner peripheral surface in the outer peripheral face of described outer housing and described housing face is formed with protuberance, and described protuberance is than institute
Stating stage portion leans on another face that is positioned against of described side to project,
Described protuberance is welded together with another face described.
3. fluid cushion device according to claim 2 it is characterised in that
Described protuberance is formed as helical form and constitutes screw thread,
It is formed with the helicla flute embedding for described protuberance in another face described,
Described outer housing is fixed by screw threads for fastening by described protuberance and described helicla flute.
4. the fluid cushion device according to any one of claims 1 to 3 it is characterised in that
Described outer housing is made up of identical resin raw material with described housing.
5. fluid cushion device according to claim 4 it is characterised in that
Being integrally located in described housing of described outer housing.
6. fluid cushion device according to claim 4 it is characterised in that
The external diameter of described housing is formed as described of the part ratio of the outer peripheral face of described outer housing and the inner peripheral surface welding of described housing
It is partly little that rank portion is located.
7. fluid cushion device according to claim 6 it is characterised in that
Being integrally located in described housing of described outer housing.
8. the fluid cushion device according to any one of claims 1 to 3 it is characterised in that
The external diameter of described housing is formed as described of the part ratio of the outer peripheral face of described outer housing and the inner peripheral surface welding of described housing
It is partly little that rank portion is located.
9. fluid cushion device according to claim 8 it is characterised in that
Being integrally located in described housing of described outer housing.
10. the fluid cushion device according to any one of claims 1 to 3 it is characterised in that
Being integrally located in described housing of described outer housing.
A kind of 11. band buffer devices it is characterised in that
The described fluid cushion device having with buffer device described in any one of claim 1 to 10,
In described rotary shaft, the opening and closing member rotating with respect to apparatus body is installed.
12. according to claim 11 band buffer devices it is characterised in that
Described opening and closing member is at least one of toilet seat and toilet lid of Western-style toilet.
13. according to claim 11 band buffer devices it is characterised in that
Described opening and closing member is the lid that can be rotatably mounted to washing machine body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015110763A JP2016223538A (en) | 2015-05-29 | 2015-05-29 | Fluid damper device and apparatus with damper |
| JP2015-110763 | 2015-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205923885U true CN205923885U (en) | 2017-02-08 |
Family
ID=57441197
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610362656.7A Active CN106175559B (en) | 2015-05-29 | 2016-05-27 | Fluid cushion device and with buffering equipment |
| CN201620497986.2U Expired - Fee Related CN205923885U (en) | 2015-05-29 | 2016-05-27 | Fluid buffer and take buffer device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610362656.7A Active CN106175559B (en) | 2015-05-29 | 2016-05-27 | Fluid cushion device and with buffering equipment |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2016223538A (en) |
| CN (2) | CN106175559B (en) |
| WO (1) | WO2016194687A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175559A (en) * | 2015-05-29 | 2016-12-07 | 日本电产三协株式会社 | Fluid cushion device and band buffer device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109477537B (en) * | 2017-05-12 | 2020-11-17 | 日本电产三协株式会社 | Fluid buffer device and equipment with buffer |
| CN108852131B (en) * | 2017-05-12 | 2021-06-11 | 日本电产三协株式会社 | Fluid damping device and equipment with damping |
| WO2018207341A1 (en) | 2017-05-12 | 2018-11-15 | 日本電産サンキョー株式会社 | Fluid damper device and damper-equipped device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3315383B2 (en) * | 1999-09-30 | 2002-08-19 | 東陶機器株式会社 | Hinge |
| JP2002266922A (en) * | 2001-03-12 | 2002-09-18 | Tok Bearing Co Ltd | Rotary damper |
| JP4395427B2 (en) * | 2004-10-15 | 2010-01-06 | 日本電産サンキョー株式会社 | Damper device and method for manufacturing damper device |
| CN2894582Y (en) * | 2006-03-24 | 2007-05-02 | 李飞宇 | Toilet cover plate mounting seat |
| KR101345236B1 (en) * | 2012-05-25 | 2013-12-27 | (주) 프렉코 | Oil dampers for a toilet bowl |
| JP2014009774A (en) * | 2012-06-29 | 2014-01-20 | Nidec Sankyo Corp | Damper apparatus |
| JP2016223538A (en) * | 2015-05-29 | 2016-12-28 | 日本電産サンキョー株式会社 | Fluid damper device and apparatus with damper |
-
2015
- 2015-05-29 JP JP2015110763A patent/JP2016223538A/en active Pending
-
2016
- 2016-05-24 WO PCT/JP2016/065233 patent/WO2016194687A1/en active Application Filing
- 2016-05-27 CN CN201610362656.7A patent/CN106175559B/en active Active
- 2016-05-27 CN CN201620497986.2U patent/CN205923885U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175559A (en) * | 2015-05-29 | 2016-12-07 | 日本电产三协株式会社 | Fluid cushion device and band buffer device |
| CN106175559B (en) * | 2015-05-29 | 2019-07-02 | 日本电产三协株式会社 | Fluid cushion device and with buffering equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106175559B (en) | 2019-07-02 |
| CN106175559A (en) | 2016-12-07 |
| JP2016223538A (en) | 2016-12-28 |
| WO2016194687A1 (en) | 2016-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200527 |