CN204040721U - Rotary type one-way hydraulic snubber and large-scale pot - Google Patents
Rotary type one-way hydraulic snubber and large-scale pot Download PDFInfo
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- CN204040721U CN204040721U CN201420254464.0U CN201420254464U CN204040721U CN 204040721 U CN204040721 U CN 204040721U CN 201420254464 U CN201420254464 U CN 201420254464U CN 204040721 U CN204040721 U CN 204040721U
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000000638 solvent extraction Methods 0.000 claims abstract description 31
- 241000397426 Centroberyx lineatus Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000012552 review Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses rotary type one-way hydraulic snubber, comprise mandrel; Sleeve, these sleeve two ends respectively built-in bearing, have the cylindrical cavity concentric with bearing in the middle part of this sleeve, mandrel is supported by this bearing, is nested with one heart with cylindrical cavity in the middle part of mandrel, and mandrel two ends are extended outside sleeve respectively; Mandrel partitioning device, this mandrel partitioning device comprises n sheet and is distributed on mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of mandrel, the circumcircle that n sheet mandrel subregion blade outboard is formed and cylindrical cavity suitable; Sleeve partitioning device, sealing device, unidirectional pressure relief device; Also disclose the large-scale pot using rotary type one-way hydraulic snubber.The utility model structure is simple, for the large-scale occasion such as dining hall or cafeteria.
Description
Technical field
The utility model relates to rotary type one-way hydraulic snubber, also relates to the large-scale pot using this rotary type one-way hydraulic snubber.
Background technology
In prior art, be used in the large-scale pot of dining hall or cafeteria, be made up of pot cover and pot body, also will be incubated in time owing to needing when using to remove from the pot, pot cover is frequently opened and is sealed lid, and large-scale pot is all very heavy, frequent operation makes intensity of workers high, so pot cover and pot body adopt monolateral radial type syndeton, although alleviate the labour intensity of lid of removing from the pot, but when buckling pot cover, the weight of pot cover is compared general pot cover and is wanted large many, and the moment of fastening easily causes the shock to pot body.
Summary of the invention
First technical problem to be solved in the utility model is, provides a kind of structure simple, the unidirectional rotary type one-way hydraulic snubber slowing down shock; Second technical problem solved is to provide the large-scale pot of this rotary type one-way hydraulic snubber of a kind of use.
The utility model solves first technical scheme that first technical problem adopt: a kind of rotary type one-way hydraulic snubber comprises mandrel, sleeve, these sleeve two ends respectively built-in bearing, have the cylindrical cavity concentric with bearing in the middle part of this sleeve, mandrel is supported by this bearing, is nested with one heart with cylindrical cavity in the middle part of mandrel, and mandrel two ends are extended outside sleeve respectively, mandrel partitioning device, this mandrel partitioning device comprises n sheet and is distributed on mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of mandrel, the circumcircle that n sheet mandrel subregion blade outboard is formed and cylindrical cavity suitable, sleeve partitioning device, this sleeve partitioning device comprises n sheet and is distributed on sleeve subregion blade on cylindrical cavity around axis, this sleeve subregion blade outboard and axis being parallel, sleeve subregion blade outboard is radially fixed on the inwall of cylindrical cavity, suitable in the middle part of the inscribed circle formed inside n sheet sleeve subregion blade and mandrel, sealing device, sealing device is by the closed at both ends of sleeve, and the length of the distance of the both ends of the surface that sealing device is relative and the length of mandrel subregion blade and sleeve subregion blade is suitable, unidirectional pressure relief device, this unidirectional pressure relief device is arranged in sleeve subregion blade, comprise the pressure release passage paralleled to the axis, this pressure release passage is connected by large aperture passage and small-bore passage and forms, also comprise the small-bore channel outlet be connected with small-bore passage, the large aperture channel outlet be connected with large aperture passage, this small-bore channel outlet is placed in the front of sleeve subregion blade, large aperture channel outlet is placed in the reverse side of sleeve subregion blade, also comprise the back-moving spring be arranged in the passage of large aperture and the spherical ball be placed on the passage of large aperture, the diameter that the diameter of this spherical ball is greater than this small-bore passage is less than the diameter of this large aperture passage.
Beneficial effect: in the technique scheme of rotary type one-way hydraulic snubber, the both ends of the surface in opposite directions of the sealing device of sleeve, sleeve subregion blade and mandrel subregion blade are separated into 2n separate portions by the middle part of sleeve around axis, because adjacent separate portions is connected by the pressure release passage of unidirectional pressure relief device, the closedown or open-minded of pressure release passage is controlled by spherical ball and back-moving spring, during use, each separate portions is full of liquid, when mandrel and the relative motion of sleeve forward, the interval volume between the reverse side of sleeve subregion blade and mandrel subregion blade is made to become large, when interval volume between the front of sleeve subregion blade and mandrel subregion blade diminishes, spherical ball is moved to large aperture channel direction by hydraulic drive, pressure release passage is made to be in unimpeded state, at this moment rotary type one-way hydraulic snubber is in the state not having cushioning effect, when mandrel and the reverse relative motion of sleeve, make that the interval volume between the reverse side of sleeve subregion blade and mandrel subregion blade diminishes, interval volume between the front of sleeve subregion blade and mandrel subregion blade is when becoming large, spherical ball is moved to small-bore channel direction by hydraulic drive, pressure release passage is made to be in damping state, at this moment rotary type one-way hydraulic snubber is in the state with cushioning effect, solve and unidirectionally slow down impaction techniques problem, structure is simple.
As the further improvement to technique scheme, mandrel subregion blade outboard is connected with rubber weather strip in the axial direction.Above-mentioned improvement makes separating of each separate portions more perfect, and the effect of one-way buffer is more obvious.
As a concrete scheme to technique scheme, around axis uniform n bar mandrel holddown groove in the middle part of mandrel, be inserted on mandrel holddown groove inside this mandrel subregion blade, in swallow-tail form inside sleeve subregion blade, around axis uniform n bar dovetail groove on inwall, sleeve subregion blade outboard is inserted on described dovetail groove.The processing of this concrete scheme is simple, and sleeve subregion blade is located firmly on dovetail groove, and mandrel subregion blade is inserted on mandrel holddown groove easy to operate, and same location is firm.
Improve as to the another kind of technique scheme, the external diameter of back-moving spring and the diameter of large aperture passage suitable, the diameter of spherical ball is greater than the interior diameter of back-moving spring.This improvement makes the end of back-moving spring easily contain spherical ball, and namely back-moving spring, spherical ball, large aperture passage are in coaxial state, spherical ball is pushed up to easy centering during the passage of small-bore, makes damping better.
As the further improvement to technique scheme, large aperture passage extends to the end of described sleeve subregion blade, and is sealed by threaded connector.The installation of back-moving spring and spherical ball and spacing is convenient in this improvement.
It is substantially identical with first technical scheme that the utility model solves second technical scheme that first technical problem adopt, its difference is: the pressure release passage of unidirectional pressure relief device is perpendicular to axis, small-bore passage is interferenceed with the front of sleeve subregion blade, large aperture passage is interferenceed with the reverse side of sleeve subregion blade, the action that spherical ball and small-bore passages intersect are formed is greater than the length of large aperture passage, eliminate back-moving spring, the substitute is elastic limit bit slice, this elastic limit bit slice is fixed on the reverse side of sleeve subregion blade, the outer rim gear of elastic limit bit slice large aperture passage outer and with spherical ball close contact.The beneficial effect of the technical program is identical identical with the beneficial effect of first technical scheme.
The utility model solves first technical scheme that second technical problem adopt: the large-scale pot using the rotary type one-way hydraulic snubber of the first technical scheme above-mentioned, comprises a pot body, pot cover, the side of this pot cover is hinged on limit, described pot side by articulated elements, articulated elements is made up of hinged bearing part and rotary type one-way hydraulic snubber, and rotary type one-way hydraulic snubber, comprises mandrel, sleeve, these sleeve two ends respectively built-in bearing, have the cylindrical cavity concentric with bearing in the middle part of this sleeve, mandrel is supported by this bearing, is nested with one heart with cylindrical cavity in the middle part of mandrel, and mandrel two ends are extended outside sleeve respectively, mandrel partitioning device, this mandrel partitioning device comprises n sheet and is distributed on mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of mandrel, the circumcircle that n sheet mandrel subregion blade outboard is formed and cylindrical cavity suitable, sleeve partitioning device, this sleeve partitioning device comprises n sheet and is distributed on sleeve subregion blade on cylindrical cavity around axis, this sleeve subregion blade outboard and axis being parallel, sleeve subregion blade outboard is radially fixed on the inwall of cylindrical cavity, suitable in the middle part of the inscribed circle formed inside n sheet sleeve subregion blade and mandrel, sealing device, sealing device is by the closed at both ends of sleeve, and the length of the distance of the both ends of the surface that sealing device is relative and the length of mandrel subregion blade and sleeve subregion blade is suitable, unidirectional pressure relief device, this unidirectional pressure relief device is arranged in sleeve subregion blade, comprise the pressure release passage paralleled to the axis, this pressure release passage is connected by large aperture passage and small-bore passage and forms, also comprise the small-bore channel outlet be connected with small-bore passage, the large aperture channel outlet be connected with large aperture passage, this small-bore channel outlet is placed in the front of sleeve subregion blade, large aperture channel outlet is placed in the reverse side of sleeve subregion blade, also comprise the back-moving spring be arranged in the passage of large aperture and the spherical ball be placed on the passage of large aperture, the diameter that the diameter of this spherical ball is greater than this small-bore passage is less than the diameter of this large aperture passage, mandrel two ends are fixed on hinged bearing part, when hinged bearing part and limit, pot side are fixed, when the side of sleeve and pot cover fixes, large aperture channel outlet points to the direction of small-bore channel outlet, identical with the direction of rotation when sleeve axis opens pot cover, when the side of hinged bearing part and pot cover fix, sleeve and limit, pot side fix time, large aperture channel outlet points to the direction of small-bore channel outlet, contrary with the direction of rotation when sleeve axis opens pot cover.
Beneficial effect: because large-scale pot employs rotary type one-way hydraulic snubber, when hinged bearing part and limit, pot side are fixed, when the side of sleeve and pot cover fixes, large aperture channel outlet points to the direction of small-bore channel outlet, identical with the direction of rotation when sleeve axis opens pot cover, when making to open pot cover, mandrel and the relative motion of sleeve forward, the interval volume between the reverse side of sleeve subregion blade and mandrel subregion blade is made to become large, interval volume between the front of sleeve subregion blade and mandrel subregion blade diminishes, spherical ball is moved to large aperture channel direction by hydraulic drive, pressure release passage is made to be in unimpeded state, at this moment rotary type one-way hydraulic snubber is in the state not having cushioning effect, open pot cover and there is no resistance, rapid operation, during closed pot cover, mandrel and the reverse relative motion of sleeve, make that the interval volume between the reverse side of sleeve subregion blade and mandrel subregion blade diminishes, interval volume between the front of sleeve subregion blade and mandrel subregion blade is when becoming large, spherical ball is moved to small-bore channel direction by hydraulic drive, pressure release passage is made to be in damping state, at this moment rotary type one-way hydraulic snubber is in the state with cushioning effect, solves the Impact Problems of pot cover and pot body.
When the side of hinged bearing part and pot cover fix, sleeve and limit, pot side fix time, large aperture channel outlet points to the direction of small-bore channel outlet, contrary with the direction of rotation when sleeve axis opens pot cover, making to open pot cover does not equally have resistance, rapid operation; During closed pot cover, rotary type one-way hydraulic snubber is in the state with cushioning effect, solves the Impact Problems of pot cover and pot body.
As a concrete scheme to technique scheme, around axis uniform n bar mandrel holddown groove in the middle part of mandrel, be inserted on mandrel holddown groove inside this mandrel subregion blade, sleeve subregion blade outboard is swallow-tail form, around axis uniform n bar dovetail groove on inwall, sleeve subregion blade outboard is inserted on described dovetail groove.The processing of this concrete scheme is simple, and sleeve subregion blade is located firmly on dovetail groove, and mandrel subregion blade is inserted on mandrel holddown groove easy to operate, and same location is firm.
It is substantially identical with first technical scheme that the utility model solves second technical scheme that second technical problem adopt, its difference is: the technical program uses above-mentioned rotary type one-way hydraulic snubber the second technical scheme: the pressure release passage of unidirectional pressure relief device is perpendicular to axis, small-bore passage is interferenceed with the front of sleeve subregion blade, large aperture passage is interferenceed with the reverse side of sleeve subregion blade, the action that spherical ball and small-bore passages intersect are formed is greater than the length of large aperture passage, eliminate back-moving spring, the substitute is elastic limit bit slice, this elastic limit bit slice is fixed on the reverse side of sleeve subregion blade, the outer rim gear of elastic limit bit slice large aperture passage outer and with spherical ball close contact.The beneficial effect of two kinds of technical schemes is identical.The beneficial effect of two kinds of technical schemes is identical.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of rotary type one-way hydraulic buffer embodiment one of the present utility model;
Fig. 2 is the assembling drawing of the embodiment one of the utility model rotary type one-way hydraulic snubber;
Fig. 3 is sleeve subregion blade view;
Fig. 4 is the C-C sectional view of Fig. 2;
Fig. 5 is the mandrel subregion blade view of the embodiment two of the utility model rotary type one-way hydraulic snubber;
Fig. 6 is the sleeve subregion blade view of the embodiment three of the utility model rotary type one-way hydraulic snubber;
Fig. 7 is the D-D sectional view of Fig. 6;
Fig. 8 is the E direction view of Fig. 6;
Fig. 9 is the stereogram of the first connected mode of pot cover pot body of large-scale pot embodiment one of the present utility model;
Figure 10 is the partial enlarged drawing of the pot cover pot body connecting portion of the first connected mode of large-scale pot embodiment one of the present utility model;
Figure 11 is the stereogram of pot cover pot body the second connected mode of large-scale pot embodiment one of the present utility model;
Figure 12 is the partial enlarged drawing of the pot cover pot body connecting portion of the second connected mode of large-scale pot embodiment one of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Rotary type one-way hydraulic buffer embodiment one
See Fig. 1, rotary type one-way hydraulic snubber comprises mandrel 1, mandrel partitioning device 13, sleeve 2, sleeve partitioning device 23, sealing device 24, unidirectional pressure relief device 25, sleeve 2 two ends are built-in bearing 21 respectively, the cylindrical cavity 22 concentric with bearing 21 is had in the middle part of sleeve 2, mandrel partitioning device 13 comprises 2 mandrel subregion blades 131 be distributed in the middle part of mandrel around axis on 11, the outside 1311 of mandrel subregion blade and axis being parallel, be placed in the rubber weather strip 132 on the outside 1311 of mandrel subregion blade, inside 2 mandrel subregion blades, 1312 are connected, radially to be fixed in the middle part of mandrel on 11, sleeve partitioning device 23 comprises 2 sleeve subregion blades 231 be distributed on around axis on cylindrical cavity 22, sealing device 24 is by the closed at both ends of sleeve 2, sealing device 24 comprises the oil sealing 241 and sealing ring 242 close-fitting with sleeve two ends that excessively coordinate with mandrel 1, also comprise the end cover 243 sealing ring 242 being pressed on sleeve ends, there are oil sealing cavity volume 2431 and centre bore 2432 in the center of end cover 243, mandrel 1 passes from oil sealing centre bore 2432, oil sealing 241 and oil sealing cavity volume 2431 closely cooperate.
See Fig. 2, mandrel 1 is supported by bearing 21, and in the middle part of mandrel, 11 are nested with cylindrical cavity 22 is concentric, and mandrel end 12 is extended outside sleeve 2 respectively; The length of the distance of the both ends of the surface 244 that sealing device 24 is relative and the length of mandrel subregion blade 131 and sleeve subregion blade 231 is suitable.
See Fig. 3, unidirectional pressure relief device 25 is arranged in sleeve subregion blade 231, comprise the pressure release passage paralleled to the axis, pressure release passage is connected by large aperture passage 251 and small-bore passage 252 and forms, also comprise the small-bore channel outlet 2521 be connected with small-bore passage 252, the large aperture channel outlet 2512 be connected with large aperture passage 251, small-bore channel outlet 2521 is placed in the front 2313 of sleeve subregion blade, large aperture channel outlet 2512 is placed in the reverse side 2314 of sleeve subregion blade, also comprise the back-moving spring 253 be arranged in large aperture passage 251 and the spherical ball 254 be placed on large aperture passage 252, the diameter that the diameter of spherical ball 254 is greater than small-bore passage 252 is less than the diameter of large aperture passage 251.The external diameter of back-moving spring 253 and the diameter of large aperture passage 251 suitable, the diameter of spherical ball 254 is greater than the interior diameter of back-moving spring 253, the end of back-moving spring 253 is made easily to contain spherical ball 254, namely back-moving spring 253, spherical ball 254, large aperture passage 251 are in coaxial state, make spherical ball 254 by top to easy centering during the passage 252 of small-bore, large aperture passage 251 extends to the end of sleeve subregion blade 231, and is sealed by threaded connector 255.
See Fig. 4, the circumcircle that 2 mandrel subregion blade outboard 1311 are formed and cylindrical cavity 22 suitable; Sleeve subregion blade outboard 2312 is radially fixed on the inwall 221 of cylindrical cavity, 12 suitable in the middle part of 2311 inscribed circles formed and mandrel inside 2 sleeve subregion blades, and sleeve subregion blade outboard 2312 and inner side 2311 are all and axis being parallel; Mandrel subregion blade outboard 1311 is connected with rubber weather strip 132 in the axial direction.Around uniform 2 the mandrel holddown grooves 121 of axis in the middle part of mandrel, these two mandrel holddown grooves 121 are in through integral, being connected inside 2 mandrel subregion blades 131 is inserted on mandrel holddown groove 121, sleeve subregion blade outboard 2312 is in swallow-tail form, around uniform 2 dovetail grooves 2211 of axis on inwall 221, sleeve subregion blade outboard 2312 is inserted on dovetail groove 2211.
The both ends of the surface 244 in opposite directions of the sealing device of sleeve 2, cylindrical cavity 22 in the middle part of sleeve is separated into 4 separate portions around axis by sleeve subregion blade 231 and mandrel subregion blade 131, because adjacent separate portions is connected by the pressure release passage of unidirectional pressure relief device, the closedown or open-minded of pressure release passage is controlled by spherical ball 254 and back-moving spring 253, during use, each separate portions is full of liquid, when mandrel 1 and the relative motion of sleeve 2 forward, the interval volume between the reverse side 2314 of sleeve subregion blade and mandrel subregion blade 131 is made to become large, when interval volume between the front 2313 of sleeve subregion blade and mandrel subregion blade 131 diminishes, spherical ball 254 is moved to large aperture channel direction 251 by hydraulic drive, pressure release passage is made to be in unimpeded state, at this moment rotary type one-way hydraulic snubber is in the state not having cushioning effect, when mandrel 1 and sleeve 2 oppositely relative motion, make that the interval volume between the reverse side 2314 of sleeve subregion blade and mandrel subregion blade 131 diminishes, interval volume between the front 2313 of sleeve subregion blade and mandrel subregion blade 131 is when becoming large, spherical ball 254 is moved to small-bore passage 252 direction by hydraulic drive, pressure release passage is made to be in damping state, at this moment rotary type one-way hydraulic snubber is in the state with cushioning effect, solves unidirectionally to slow down impaction techniques problem.
Rotary type one-way hydraulic buffer embodiment two
The present embodiment is substantially identical with embodiment one, and its difference is, see Fig. 5, unidirectional pressure relief device 25 is arranged in mandrel subregion blade 131.
Rotary type one-way hydraulic buffer embodiment three
The present embodiment is substantially identical with embodiment one, its difference is, see Fig. 6, the pressure release passage of unidirectional pressure relief device is perpendicular to axis, small-bore passage 252 is interferenceed with the front 2313 of sleeve subregion blade, and large aperture passage 251 is interferenceed with the reverse side 2314 of sleeve subregion blade.Eliminate back-moving spring, the substitute is elastic limit bit slice 257, elastic limit bit slice 257 is fixed on the reverse side 2314 of sleeve subregion blade by screw 258, the outer rim 2571 of elastic limit bit slice keep off large aperture passage 251 outer and with the close contact of spherical ball 254.
See Fig. 7, spherical ball 254 formed action crossing with small-bore passage 252 is greater than the length of large aperture passage 251.
See Fig. 8, screw 258 is fixed at the middle part of elastic limit bit slice 257, and the outer rim 2571 of elastic limit bit slice is placed in two ends.
Large-scale pot embodiment one
See Fig. 9, large-scale pot comprises pot body 3; Pot cover 4, the side 41 of pot cover 4 is hinged on pot limit, side 31 by articulated elements; Articulated elements is made up of hinged bearing part 5 and rotary type one-way hydraulic snubber 6.
Review Fig. 1 to Fig. 4, rotary type one-way hydraulic snubber 6 as shown in Figures 1 to 4.
The present embodiment articulated elements is hinged has two kinds with the connected mode of pot cover, pot body, and the first connected mode, reviews Fig. 6, and mandrel two ends 12 are fixed on hinged bearing part 5, and hinged bearing part 5 is fixed with limit, pot side 41, and sleeve 2 fixes with the side 41 of pot cover.See Figure 10, large aperture channel outlet 2512 points to the direction A of small-bore channel outlet 2521, identical with the direction of rotation B when sleeve axis opens pot cover 4.
When opening pot cover, review Fig. 2 to Fig. 4, mandrel 1 and the relative motion of sleeve 2 forward, the interval volume between the reverse side 2314 of sleeve subregion blade and mandrel subregion blade 131 is made to become large, interval volume between the front 2313 of sleeve subregion blade and mandrel subregion blade 131 diminishes, because each interval is full of liquid, the change of interval volume makes spherical ball 254 be moved to large aperture passage 251 direction by hydraulic drive, pressure release passage is made to be in unimpeded state, at this moment rotary type one-way hydraulic snubber 6 is in the state not having cushioning effect, open pot cover 4 and there is no resistance, rapid operation, during closed pot cover 4, mandrel 1 and sleeve 2 oppositely relative motion, make that the interval volume between the reverse side 2314 of sleeve subregion blade and mandrel subregion blade 131 diminishes, interval volume between the front 2313 of sleeve subregion blade and mandrel subregion blade 131 is when becoming large, spherical ball 254 is moved to small-bore passage 252 direction by hydraulic drive, pressure release passage is made to be in damping state, at this moment rotary type one-way hydraulic snubber 6 is in the state with cushioning effect, solves the Impact Problems of pot cover 4 and pot body 3.
The second connected mode, see Figure 11, mandrel two ends 12 are fixed on hinged bearing part 5, hinged bearing part 5 is fixing with the side 41 of pot cover, sleeve 2 fixes with limit, pot side 31, see Figure 12, large aperture channel outlet 2512 points to the direction A of small-bore channel outlet 2521, contrary with the direction of rotation B when sleeve axis opens pot cover 4.Make to open pot cover 4 equally and there is no resistance, rapid operation; During closed pot cover 4, rotary type one-way hydraulic snubber 6 is in the state with cushioning effect.
Large-scale pot embodiment two
The present embodiment is substantially identical with large-scale pot embodiment one, and its difference is, reviews Fig. 5, and unidirectional pressure relief device 25 is arranged in mandrel subregion blade 131.
Large-scale pot embodiment three
The present embodiment is substantially identical with large-scale pot embodiment one, its difference is, review Fig. 6, the pressure release passage of unidirectional pressure relief device is perpendicular to axis, small-bore passage 252 is interferenceed with the front 2313 of sleeve subregion blade, and large aperture passage 251 is interferenceed with the reverse side 2314 of sleeve subregion blade.Eliminate back-moving spring, the substitute is elastic limit bit slice 257, elastic limit bit slice 257 is fixed on the reverse side 2314 of sleeve subregion blade by screw 258, the outer rim 2571 of elastic limit bit slice keep off large aperture passage 251 outer and with the close contact of spherical ball 254.
Review Fig. 7, spherical ball 254 formed action crossing with small-bore passage 252 is greater than the length of large aperture passage 251.
Review Fig. 8, screw 258 is fixed at the middle part of elastic limit bit slice 257, and the outer rim 2571 of elastic limit bit slice is placed in two ends.
Claims (10)
1. a rotary type one-way hydraulic snubber, comprises
Mandrel;
Sleeve, described sleeve two ends are built-in bearing respectively, and have the cylindrical cavity concentric with described bearing in the middle part of described sleeve, described mandrel is supported by described bearing, be nested with described cylindrical cavity is concentric in the middle part of described mandrel, described mandrel two ends are extended outside sleeve respectively;
It is characterized in that:
Mandrel partitioning device, described mandrel partitioning device comprises n sheet and is distributed on described mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of described mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of described mandrel, the circumcircle that described in n sheet, mandrel subregion blade outboard is formed and described cylindrical cavity suitable;
Sleeve partitioning device, described sleeve partitioning device comprises n sheet and is distributed on sleeve subregion blade on described cylindrical cavity around axis, described sleeve subregion blade outboard and axis being parallel, sleeve subregion blade outboard is radially fixed on the inwall of described cylindrical cavity, suitable in the middle part of the inscribed circle formed inside sleeve subregion blade described in n sheet and described mandrel;
Sealing device, described sealing device is by the closed at both ends of described sleeve, and the length of the distance of the both ends of the surface that described sealing device is relative and the length of described mandrel subregion blade and described sleeve subregion blade is suitable;
Unidirectional pressure relief device, described unidirectional pressure relief device is arranged in described sleeve subregion blade, comprise the pressure release passage paralleled to the axis, described pressure release passage is connected by large aperture passage and small-bore passage and forms, also comprise the small-bore channel outlet be connected with described small-bore passage, the large aperture channel outlet be connected with described large aperture passage, described small-bore channel outlet is placed in the front of described sleeve subregion blade, described large aperture channel outlet is placed in the reverse side of described sleeve subregion blade, also comprise the back-moving spring be arranged in the passage of described large aperture and the spherical ball be placed on the passage of described large aperture, the diameter that the diameter of described spherical ball is greater than described small-bore passage is less than the diameter of described large aperture passage.
2. rotary type one-way hydraulic snubber according to claim 1, is characterized in that: described mandrel subregion blade outboard is connected with rubber weather strip in the axial direction.
3. rotary type one-way hydraulic snubber according to claim 1, it is characterized in that: around axis uniform n bar mandrel holddown groove in the middle part of described mandrel, be inserted in inside described mandrel subregion blade on described mandrel holddown groove, described sleeve subregion blade outboard is swallow-tail form, around axis uniform n bar dovetail groove on described inwall, described sleeve subregion blade outboard is inserted on described dovetail groove.
4. rotary type one-way hydraulic snubber according to claim 1, is characterized in that: the external diameter of described back-moving spring and the diameter of described large aperture passage suitable, the diameter of described spherical ball is greater than the interior diameter of described back-moving spring.
5. the rotary type one-way hydraulic snubber according to any one of Claims 1-4, is characterized in that: described large aperture passage extends to the end of described sleeve subregion blade, and is sealed by threaded connector.
6. use a large-scale pot for the rotary type one-way hydraulic snubber described in claim 1, comprise
Pot body;
Pot cover, the side of described pot cover is hinged on limit, described pot side by articulated elements;
It is characterized in that:
Described articulated elements is made up of hinged bearing part and rotary type one-way hydraulic snubber, and described rotary type one-way hydraulic snubber, comprises
Mandrel;
Sleeve, described sleeve two ends are built-in bearing respectively, and have the cylindrical cavity concentric with described bearing in the middle part of described sleeve, described mandrel is supported by described bearing, be nested with described cylindrical cavity is concentric in the middle part of described mandrel, described mandrel two ends are extended outside sleeve respectively;
Mandrel partitioning device, described mandrel partitioning device comprises n sheet and is distributed on described mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of described mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of described mandrel, the circumcircle that described in n sheet, mandrel subregion blade outboard is formed and described cylindrical cavity suitable;
Sleeve partitioning device, described sleeve partitioning device comprises n sheet and is distributed on sleeve subregion blade on described cylindrical cavity around axis, described sleeve subregion blade outboard and axis being parallel, sleeve subregion blade outboard is radially fixed on the inwall of described cylindrical cavity, suitable in the middle part of the inscribed circle formed inside sleeve subregion blade described in n sheet and described mandrel;
Sealing device, described sealing device is by the closed at both ends of described sleeve, and the length of the distance of the both ends of the surface that described sealing device is relative and the length of described mandrel subregion blade and described sleeve subregion blade is suitable;
Unidirectional pressure relief device, described unidirectional pressure relief device is arranged in described sleeve subregion blade, comprise the pressure release passage paralleled to the axis, described pressure release passage is connected by large aperture passage and small-bore passage and forms, also comprise the small-bore channel outlet be connected with described small-bore passage, the large aperture channel outlet be connected with described large aperture passage, described small-bore channel outlet is placed in the front of described sleeve subregion blade, described large aperture channel outlet is placed in the reverse side of described sleeve subregion blade, also comprise the back-moving spring be arranged in the passage of described large aperture and the spherical ball be placed on the passage of described large aperture, the diameter that the diameter of described spherical ball is greater than described small-bore passage is less than the diameter of described large aperture passage,
Described mandrel two ends are fixed on described hinged bearing part, when described hinged bearing part and limit, described pot side are fixed, when the side of described sleeve and described pot cover fixes, described large aperture channel outlet points to the direction of described small-bore channel outlet, identical with the direction of rotation when described sleeve axis opens described pot cover, when the side of described hinged bearing part and described pot cover is fixed, when described sleeve and limit, described pot side fix, described large aperture channel outlet points to the direction of described small-bore channel outlet, contrary with the direction of rotation when described sleeve axis opens described pot cover.
7. the large-scale pot of use rotary type one-way hydraulic snubber according to claim 6, it is characterized in that: described mandrel subregion blade outboard is connected with rubber weather strip in the axial direction, around axis uniform n bar mandrel holddown groove in the middle part of described mandrel, be inserted in inside described mandrel subregion blade on described mandrel holddown groove, in swallow-tail form inside described sleeve subregion blade, around axis uniform n bar dovetail groove on described inwall, be inserted on described dovetail groove inside described sleeve subregion blade.
8. a rotary type one-way hydraulic snubber, comprises
Mandrel;
Sleeve, described sleeve two ends are built-in bearing respectively, and have the cylindrical cavity concentric with described bearing in the middle part of described sleeve, described mandrel is supported by described bearing, be nested with described cylindrical cavity is concentric in the middle part of described mandrel, described mandrel two ends are extended outside sleeve respectively;
It is characterized in that:
Mandrel partitioning device, described mandrel partitioning device comprises n sheet and is distributed on described mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of described mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of described mandrel, the circumcircle that described in n sheet, mandrel subregion blade outboard is formed and described cylindrical cavity suitable;
Sleeve partitioning device, described sleeve partitioning device comprises n sheet and is distributed on sleeve subregion blade on described cylindrical cavity around axis, described sleeve subregion blade outboard and axis being parallel, sleeve subregion blade outboard is radially fixed on the inwall of described cylindrical cavity, suitable in the middle part of the inscribed circle formed inside sleeve subregion blade described in n sheet and described mandrel;
Sealing device, described sealing device is by the closed at both ends of described sleeve, and the length of the distance of the both ends of the surface that described sealing device is relative and the length of described mandrel subregion blade and described sleeve subregion blade is suitable;
Unidirectional pressure relief device, described unidirectional pressure relief device is arranged in described sleeve subregion blade, comprise the pressure release passage perpendicular to axis, described pressure release passage is connected by large aperture passage and small-bore passage and forms, described small-bore passage is interferenceed with the front of described sleeve subregion blade, described large aperture passage is interferenceed with the reverse side of described sleeve subregion blade, also comprise the spherical ball be arranged in the passage of described large aperture, the diameter that the diameter of described spherical ball is greater than described small-bore passage is less than the diameter of described large aperture passage, the action that described spherical ball and described small-bore passages intersect are formed is greater than the length of described large aperture passage, also comprise elastic limit bit slice, described elastic limit bit slice is fixed on the reverse side of described sleeve subregion blade, the outer rim gear of described elastic limit bit slice described large aperture passage outer and with described spherical ball close contact.
9. rotary type one-way hydraulic snubber according to claim 8, it is characterized in that: described mandrel subregion blade outboard is connected with rubber weather strip in the axial direction, around axis uniform n bar mandrel holddown groove in the middle part of described mandrel, be inserted in inside described mandrel subregion blade on described mandrel holddown groove, described sleeve subregion blade outboard is swallow-tail form, around axis uniform n bar dovetail groove on described inwall, described sleeve subregion blade outboard is inserted on described dovetail groove.
10. use the large-scale pot of the rotary type one-way hydraulic snubber described in claim 8, comprise
Pot body;
Pot cover, the side of described pot cover is hinged on limit, described pot side by articulated elements;
It is characterized in that:
Described articulated elements is made up of hinged bearing part and rotary type one-way hydraulic snubber, and described rotary type one-way hydraulic snubber, comprises
Mandrel;
Sleeve, described sleeve two ends are built-in bearing respectively, and have the cylindrical cavity concentric with described bearing in the middle part of described sleeve, described mandrel is supported by described bearing, be nested with described cylindrical cavity is concentric in the middle part of described mandrel, described mandrel two ends are extended outside sleeve respectively;
Mandrel partitioning device, described mandrel partitioning device comprises n sheet and is distributed on described mandrel supermedial mandrel subregion blade around axis, n >=2, the outside of described mandrel subregion blade and axis being parallel, inner side be radially fixed on in the middle part of described mandrel, the circumcircle that described in n sheet, mandrel subregion blade outboard is formed and described cylindrical cavity suitable;
Sleeve partitioning device, described sleeve partitioning device comprises n sheet and is distributed on sleeve subregion blade on described cylindrical cavity around axis, described sleeve subregion blade outboard and axis being parallel, sleeve subregion blade outboard is radially fixed on the inwall of described cylindrical cavity, suitable in the middle part of the inscribed circle formed inside sleeve subregion blade described in n sheet and described mandrel;
Sealing device, described sealing device is by the closed at both ends of described sleeve, and the length of the distance of the both ends of the surface that described sealing device is relative and the length of described mandrel subregion blade and described sleeve subregion blade is suitable;
Unidirectional pressure relief device, described unidirectional pressure relief device is arranged in described sleeve subregion blade, comprise the pressure release passage perpendicular to axis, described pressure release passage is connected by large aperture passage and small-bore passage and forms, described small-bore passage is interferenceed with the front of described sleeve subregion blade, described large aperture passage is interferenceed with the reverse side of described sleeve subregion blade, also comprise the spherical ball be arranged in the passage of described large aperture, the diameter that the diameter of described spherical ball is greater than described small-bore passage is less than the diameter of described large aperture passage, the action that described spherical ball and described small-bore passages intersect are formed is greater than the length of described large aperture passage, also comprise elastic limit bit slice, described elastic limit bit slice is fixed on the reverse side of described sleeve subregion blade, the outer rim gear of described elastic limit bit slice described large aperture passage outer and with described spherical ball close contact,
Described mandrel two ends are fixed on described hinged bearing part, when described hinged bearing part and limit, described pot side are fixed, when the side of described sleeve and described pot cover fixes, described large aperture passage points to the direction of described small-bore passage, identical with the direction of rotation when described sleeve axis opens described pot cover, when the side of described hinged bearing part and described pot cover fix, described sleeve and limit, described pot side fix time, described large aperture passage points to the direction of described small-bore passage, contrary with the direction of rotation when described sleeve axis opens described pot cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420254464.0U CN204040721U (en) | 2014-05-19 | 2014-05-19 | Rotary type one-way hydraulic snubber and large-scale pot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420254464.0U CN204040721U (en) | 2014-05-19 | 2014-05-19 | Rotary type one-way hydraulic snubber and large-scale pot |
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| Publication Number | Publication Date |
|---|---|
| CN204040721U true CN204040721U (en) | 2014-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234564A (en) * | 2014-05-19 | 2014-12-24 | 赖世华 | Rotary one-way hydraulic buffer and large pot |
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2014
- 2014-05-19 CN CN201420254464.0U patent/CN204040721U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234564A (en) * | 2014-05-19 | 2014-12-24 | 赖世华 | Rotary one-way hydraulic buffer and large pot |
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