CN115341820A - Rotary-push type hydraulic hinge - Google Patents
Rotary-push type hydraulic hinge Download PDFInfo
- Publication number
- CN115341820A CN115341820A CN202210750857.XA CN202210750857A CN115341820A CN 115341820 A CN115341820 A CN 115341820A CN 202210750857 A CN202210750857 A CN 202210750857A CN 115341820 A CN115341820 A CN 115341820A
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- CN
- China
- Prior art keywords
- piston
- wedge
- oil
- rotary
- shaped
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 3
- 238000006748 scratching Methods 0.000 claims description 3
- 230000002393 scratching effect Effects 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000005406 washing Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
- E05Y2900/312—Application of doors, windows, wings or fittings thereof for domestic appliances for washing machines or laundry dryers
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a rotary-push type hydraulic hinge which comprises a fixed shaft sleeve and a rotating shaft, wherein an oil cavity for containing damping oil is arranged in the fixed shaft sleeve, a sealing end cover is matched with one end of the fixed shaft sleeve, the rotating shaft penetrates through the sealing end cover and is matched with a flexible assembly which is arranged in the oil cavity and used for flexible damping oil, the flexible assembly comprises a movable sleeve connected with the tail end part of the rotating shaft and a piston matched with the movable sleeve, a wedge-shaped protruding part is formed on the movable sleeve, a wedge-shaped groove part is formed on the piston, a limiting groove is formed on the inner wall of the fixed shaft sleeve, a convex edge is formed on the outer wall of the piston, and a reset spring is further arranged between the piston and the bottom of the oil cavity of the fixed shaft sleeve. Compared with the prior art, when the rotating shaft rotates downwards in the damper, the movable sleeve on the rotating shaft is utilized to rotate to push the piston to move in the fixed shaft sleeve, damping oil in the oil cavity is extruded, the rotating speed of the rotating shaft is reduced, the closing action of the cover plate is not influenced, the rotating shaft can slowly descend, and the collision force is greatly reduced.
Description
Technical Field
The invention relates to the field of hinges, in particular to a rotary-push type hydraulic hinge.
Background
At present, the upper cover plate of the washing machine is generally directly connected by a pin shaft or buffered by a spring, the upper cover plate adopts a pin shaft structure, when the cover plate is put down, a large striking sound can be generated, discomfort is brought to a user, the service life of the cover plate is shortened, and the upper cover plate is easy to corrode, rust and damage by the spring.
Disclosure of Invention
In view of the above problems, the present invention provides a rotary-push hydraulic hinge, which does not affect the closing operation of a cover plate, can slowly descend to greatly reduce the collision force, and provides an assisting force when opening the cover plate, so that a heavy cover plate can be easily lifted.
The technical scheme adopted by the invention is as follows:
a rotary-push type hydraulic hinge is characterized in that: including fixed axle sleeve and pivot, be equipped with the oil pocket that is used for splendid attire damping oil in the fixed axle sleeve, the one end cooperation of fixed axle sleeve has end cover, the pivot passes end cover cooperation to have and is located the interior subassembly that scratches that is used for scratching damping oil of oil pocket, scratch move the subassembly include with the tail end of pivot be connected movable sleeve and with movable sleeve complex piston, be formed with at least one wedge bellying that is used for the pivot to rotate the in-process promotion piston extrusion oil pocket in the movable sleeve, be formed with at least one on the piston and wedge bellying complex wedge concave part, be equipped with on the inner wall of fixed axle sleeve and be used for restricting piston pivoted restriction groove, be equipped with on the outer wall of piston with restriction groove complex bead, still be equipped with between the oil pocket bottom of piston and fixed axle sleeve and be used for promoting the reset spring that the piston resets.
Preferably, the center of the movable sleeve is provided with a slot, and the piston is provided with an inserting column for inserting into the movable sleeve.
More preferably, the bottom of fixed axle sleeve still is equipped with and inserts the regulation needle that is used for adjusting the oil mass that gets into between movable sleeve and the piston in the post, is equipped with the oil duct that is used for supplying the regulation needle to insert in inserting the post.
More preferably, the adjusting needle comprises a cylinder body and a needle main body arranged on the cylinder body, a screw hole matched with the cylinder body is formed in the bottom of the fixing shaft sleeve, and the needle main body is inserted into the oil channel.
More preferably, the section of the oil passage is in an inverted cone shape, and the section of the adjusting needle is in a cone shape.
Preferably, the movable sleeve is provided with two wedge-shaped protruding portions, and the piston is provided with two wedge-shaped groove portions respectively matched with the wedge-shaped protruding portions.
Preferably, the bottom of each wedge-shaped bulge is a platform end, and one side surface of each wedge-shaped bulge is an upper contact arc-shaped surface; the bottom of each wedge-shaped groove portion forms a groove for the platform end of the wedge-shaped protruding portion to move, and one side face of each wedge-shaped groove portion is a lower contact arc-shaped face matched with the upper contact arc-shaped face.
Preferably, an oil accumulation groove for reducing abrasion is arranged on the upper contact arc-shaped surface and/or the lower contact arc-shaped surface.
Preferably, a sealing ring is arranged between the sealing end cover and the fixed bearing; and a sealing ring is arranged between the outer wall of the rotating shaft and the inner wall of the sealing end cover.
Preferably, the damping oil is silicone oil.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a rotary-push hydraulic hinge, when a rotating shaft rotates downwards, a movable sleeve on the rotating shaft is used for rotating and pushing a piston to move in a fixed shaft sleeve, damping oil is filled in an oil cavity of the fixed shaft sleeve, the damping oil provides resistance in the process of pushing the piston, the rotating speed of the rotating shaft is reduced, and a buffering effect is achieved, so that the closing action of a cover plate or a seat ring is not influenced, the rotary-push hydraulic hinge can slowly descend, and the collision force is greatly reduced; and provide the helping hand when opening the apron, make heavier apron light mention.
Drawings
Fig. 1 is a first schematic view of a rotary-push hydraulic hinge provided in the present invention;
fig. 2 is a second schematic view of a rotary-push hydraulic hinge provided in the present invention;
fig. 3 is a top view of a rotary-push hydraulic hinge provided in the present invention;
fig. 4 is an exploded view of a rotary-push hydraulic hinge according to the present invention;
fig. 5 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A ofbase:Sub>A spring inbase:Sub>A minimum compression position in the rotary-push hydraulic hinge according to the present invention;
fig. 6 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A ofbase:Sub>A rotary-push hydraulic hinge according to the present invention, in whichbase:Sub>A spring is atbase:Sub>A maximum compression position;
fig. 7 is a schematic view of a fixed shaft sleeve in a rotary-push hydraulic hinge according to the present invention;
fig. 8 is a schematic view of a movable sleeve in a rotary-push hydraulic hinge according to the present invention;
fig. 9 is a schematic view of a piston in a rotary-push hydraulic hinge provided in the present invention;
fig. 10 is a diagram illustrating a state change of a movable sleeve pushing a piston in a rotary-push hydraulic hinge according to the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to 10 show a preferred embodiment of a rotary-push hydraulic hinge according to the present invention. As shown in fig. 1 to 10, the rotary-push type hydraulic hinge includes a fixed shaft sleeve 10 and a rotating shaft 20, an oil chamber 11 for containing damping oil is provided in the fixed shaft sleeve, a sealing end cap 12 is fitted at one end of the fixed shaft sleeve, the rotating shaft passes through the sealing end cap and is fitted with a flexible assembly 30 for flexible damping oil in the oil chamber, the flexible assembly 30 includes a movable sleeve 31 connected to a tail end of the rotating shaft and a piston 32 fitted with the movable sleeve, at least one wedge-shaped protrusion 311 for pushing the piston to squeeze the damping oil in the oil chamber during rotation of the rotating shaft is formed on the movable sleeve 31, at least one wedge-shaped groove 321 fitted with the wedge-shaped protrusion is formed on the piston 32, a limiting groove 101 for limiting rotation of the piston is provided on an inner wall of the fixed shaft sleeve 10, a convex rib 322 matched with the limiting groove is arranged on the outer wall of the piston 32, a return spring 33 used for pushing the piston to reset is further arranged between the piston 32 and the bottom of the oil cavity of the fixed shaft sleeve 10, so that when the rotating shaft 20 rotates, the movable sleeve 31 connected with the rotating shaft 20 rotates, the wedge-shaped protruding portion 311 on the movable sleeve 31 rotates, the piston 32 cannot rotate because the convex rib 322 on the outer wall of the piston 32 is positioned in the limiting groove 101, the wedge-shaped protruding portion 311 is matched with the wedge-shaped groove portion 321 to push the piston 32 to move towards the direction close to the bottom of the oil cavity and extrude the return spring 33, and in the process of pushing the piston 32, damping oil is arranged in the oil cavity 11 to generate resistance on the pushing of the piston 32, so that the rotating speed of the rotating shaft 20 is reduced; when the rotating shaft 20 rotates reversely, the piston 32 is pushed to move away from the bottom of the oil chamber by the action of the return spring 33, and the piston 32 returns to the original position. The damping oil is silicone oil.
The center of the movable sleeve 31 is provided with a slot 312, and the piston 32 is provided with a plug 323 for being inserted into the movable sleeve, so that the piston 32 and the movable sleeve 31 are ensured to be coaxial.
The bottom of the fixed shaft sleeve is also provided with an adjusting needle 40 inserted into the inserting column and used for adjusting the oil quantity entering between the movable sleeve and the piston, an oil duct 3231 for inserting the adjusting needle is arranged in the inserting column 323, and the adjusting needle 40 is used for controlling the oil quantity of damping oil entering the oil duct 3231 so as to control the resistance of the rotating shaft to rotate to push the piston 32. The adjusting needle 40 comprises a threaded cylinder 41 and a needle body 42 arranged on the threaded cylinder, a threaded hole 13 matched with the threaded cylinder is formed in the bottom of the fixed shaft sleeve 10, the needle body 42 is inserted into the oil passage 3231, and an operator can rotate the threaded cylinder 41 from the outside of the fixed shaft sleeve 10 to adjust the length of the needle body 42 inserted into the oil passage 3231, so that the size of a gap between the needle body 42 and the inner wall of the oil passage 3231 is controlled, and the amount of damping oil entering the oil passage 3231 is controlled. The cross-section of oil duct is the back taper, the cross-section of adjusting the needle is the toper.
A sealing ring 100 is arranged between the sealing end cover 12 and the fixed bearing 10; and a sealing ring 100 is arranged between the outer wall of the rotating shaft 20 and the inner wall of the sealing end cover 12, and sealing rings 100 are arranged between the piston 32 and the side wall of the oil cavity and between the screw cylinder 41 and the inner wall of the screw hole 13, so that damping oil is prevented from leaking.
In a preferred embodiment, the movable sleeve 31 is provided with two wedge-shaped protrusions 311, the two wedge-shaped protrusions 311 are symmetrically distributed around the center, the piston 32 is provided with two wedge-shaped groove portions 321 respectively matched with the wedge-shaped protrusions, and the two wedge-shaped groove portions 321 are symmetrically distributed around the center.
As shown in fig. 5 to 10, the bottom of each wedge-shaped protrusion 311 is a flat end 31101, and one side of the wedge-shaped protrusion is an upper contact arc surface 31102; a groove 32101 for the platform end of the wedge-shaped protrusion to move is formed at the bottom of each wedge-shaped groove 321, the area of the groove 32101 is larger than that of the platform end 31101, one side surface of the wedge-shaped groove is a lower contact arc-shaped surface 32102 matched with the upper contact arc-shaped surface, when the rotating shaft 20 does not rotate downwards, the platform end 31101 of the wedge-shaped protrusion 311 is inserted into the groove 32101, the bottom surface of the platform end 31101 is attached to the bottom surface of the groove 32101, and a space is reserved between the upper contact arc-shaped surface 31102 and the lower contact arc-shaped surface 32102; when the rotating shaft 20 starts to rotate downwards, the upper platform end 31101 of the wedge-shaped protruding part is driven to rotate in the groove 32101; rotating shaft 20 continues to rotate, last contact arcwall face 31102 on the wedge-shaped bulge portion is laminated with lower contact arcwall face 32102 of wedge-shaped groove portion 321, promote wedge-shaped groove portion 321 to remove, last contact arcwall face 31102 on the wedge-shaped bulge portion is laminated with lower contact arcwall face 32102 top gradually for piston 32 extrudes damping oil in the fixed axle sleeve 10 gradually, until last contact arcwall face 31102 of wedge-shaped bulge portion 311 breaks away from completely with lower contact arcwall face 32102 of wedge-shaped groove portion 321, the moving distance of piston 32 in to fixed axle sleeve 10 reaches the biggest. An oil storage groove 301 for reducing abrasion is arranged on the upper contact arc-shaped surface and/or the lower contact arc-shaped surface so as to store oil and lubricate and reduce temperature.
When the rotary-push type hydraulic hinge is applied to a cover plate of a washing machine, a rotating shaft 20 and the cover plate are connected into a whole, a fixed shaft sleeve 10 is installed on a machine body of the washing machine, when the cover plate of the washing machine descends, the rotating shaft 20 rotates downwards, a movable sleeve 31 connected with the rotating shaft 20 rotates, a wedge-shaped protruding part 311 on the movable sleeve 31 rotates, as a convex edge 322 on the outer wall of a piston 32 is positioned in a limiting groove 101, the piston 32 cannot rotate, the wedge-shaped protruding part 311 is matched with a wedge-shaped groove part 321, the piston 32 is pushed to move towards the direction close to the bottom of an oil cavity, a return spring 33 is extruded, and in the process of pushing the piston 32, damping oil is arranged in the oil cavity 11, so that resistance is generated on the pushing of the piston 32, the rotating speed of the rotating shaft 20 is reduced, a buffering effect is achieved, the closing action of the cover plate or a seat ring is not influenced, the cover plate or the seat ring can descend slowly, and the collision force is greatly reduced; when the rotating shaft 20 rotates reversely, the piston 32 is pushed to move away from the bottom of the oil cavity under the action of the return spring 33, and the piston 32 returns to the original position, so that the assistance is provided when the cover plate is opened, and the heavier cover plate is easily lifted.
In summary, the technical solutions of the present invention can fully and effectively achieve the above objects, and the structural and functional principles of the present invention have been fully verified in the embodiments to achieve the intended efficacy and purpose, and various changes or modifications may be made to the embodiments of the present invention without departing from the principles and spirit of the present invention. Accordingly, this invention includes all modifications encompassed within the scope of the claims appended hereto, and any equivalents thereof that fall within the scope of the claims are to be embraced therein.
Claims (10)
1. A rotary-push type hydraulic hinge is characterized in that: including fixed axle sleeve and pivot, be equipped with the oil pocket that is used for splendid attire damping oil in the fixed axle sleeve, the one end cooperation of fixed axle sleeve has end cover, the pivot passes end cover cooperation to have and is located the oil pocket and be used for scratching the subassembly of moving of scratching of moving damping oil, it includes the movable sleeve who is connected with the tail end of pivot and with movable sleeve complex piston to scratch the subassembly, be formed with at least one wedge bellying that is used for the pivot to rotate the in-process promotion piston extrusion oil pocket internal damping oil on the movable sleeve, be formed with at least one and wedge bellying complex wedge groove part on the piston, be equipped with on the inner wall of fixed axle sleeve and be used for restricting piston pivoted restriction groove, be equipped with on the outer wall of piston with restriction groove complex bead, still be equipped with between the oil pocket bottom of piston and fixed axle sleeve and be used for promoting the reset spring that the piston resets.
2. The rotary-push hydraulic hinge according to claim 1, wherein: the center of the movable sleeve is provided with a slot, and the piston is provided with an inserting column which is used for being inserted into the movable sleeve.
3. The rotary-push hydraulic hinge according to claim 2, wherein: the bottom of the fixed shaft sleeve is also provided with an adjusting needle which is inserted into the inserting column and used for adjusting the oil mass between the movable sleeve and the piston, and an oil duct for inserting the adjusting needle is arranged in the inserting column.
4. A rotary-push hydraulic hinge according to claim 3, characterized in that: the adjusting needle comprises a screw cylinder body and a needle main body arranged on the screw cylinder body, a screw hole matched with the screw cylinder body is formed in the bottom of the fixed shaft sleeve, and the needle main body is inserted into the oil duct.
5. The rotary-push hydraulic hinge according to claim 3, wherein: the cross-section of oil duct is the back taper, the cross-section of adjusting the needle is the toper.
6. The rotary-push hydraulic hinge according to claim 1, wherein: the movable sleeve is provided with two wedge-shaped protruding portions, and the piston is provided with two wedge-shaped groove portions matched with the wedge-shaped protruding portions respectively.
7. A rotary-push type hydraulic hinge according to any one of claims 1 or 6, characterized in that: the bottom of each wedge-shaped bulge is a platform end, and one side surface of each wedge-shaped bulge is an upper contact arc-shaped surface; the bottom of each wedge-shaped groove portion forms a groove for the platform end of the wedge-shaped protrusion portion to move, and one side face of each wedge-shaped groove portion is a lower contact arc-shaped face matched with the upper contact arc-shaped face.
8. The rotary-push hydraulic hinge according to claim 7, wherein: and an oil storage groove for reducing abrasion is arranged on the upper contact arc-shaped surface and/or the lower contact arc-shaped surface.
9. The rotary-push hydraulic hinge according to claim 1, wherein: a sealing ring is arranged between the sealing end cover and the fixed bearing; and a sealing ring is arranged between the outer wall of the rotating shaft and the inner wall of the sealing end cover.
10. The rotary-push hydraulic hinge according to claim 1, wherein: the damping oil is silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210750857.XA CN115341820A (en) | 2022-06-29 | 2022-06-29 | Rotary-push type hydraulic hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210750857.XA CN115341820A (en) | 2022-06-29 | 2022-06-29 | Rotary-push type hydraulic hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115341820A true CN115341820A (en) | 2022-11-15 |
Family
ID=83947950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210750857.XA Pending CN115341820A (en) | 2022-06-29 | 2022-06-29 | Rotary-push type hydraulic hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115341820A (en) |
-
2022
- 2022-06-29 CN CN202210750857.XA patent/CN115341820A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |