CN110792349B - Modular Soft-close Hinge - Google Patents
Modular Soft-close Hinge Download PDFInfo
- Publication number
- CN110792349B CN110792349B CN201910774790.1A CN201910774790A CN110792349B CN 110792349 B CN110792349 B CN 110792349B CN 201910774790 A CN201910774790 A CN 201910774790A CN 110792349 B CN110792349 B CN 110792349B
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- Prior art keywords
- sleeve
- cylinder body
- rotating shaft
- section
- piston
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000013016 damping Methods 0.000 claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 34
- 238000007789 sealing Methods 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/08—Friction devices between relatively-movable hinge parts
-
- 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
- E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
-
- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a modularized buffer hinge which comprises a first page plate and a second page plate, wherein the first page plate is provided with a first sleeve, the second page plate is provided with a second sleeve, and the modularized buffer hinge further comprises a rotary buffer module, wherein the rotary buffer module comprises a sleeve, a damping device (damper), a rotating shaft and a screw rod transmission pair, the damping device is arranged in the sleeve, the damping device stretches out of a piston rod, the rotating shaft is rotatably arranged in the sleeve and is in transmission connection with the screw rod transmission pair, a linear motion piece of the screw rod transmission pair is connected with the piston rod, the rotary buffer module is arranged in the first sleeve and the second sleeve, the rotating shaft is in transmission connection with the first sleeve, and the sleeve is in transmission connection with the second sleeve. The damping device, the rotating shaft and the screw rod transmission pair of the structure are pre-installed in the sleeve to form an independent rotary buffer module, the appearance of the rotary buffer module is equivalent to that of a shaft, and the rotary buffer module is connected with the sleeves of the two hinge plates.
Description
Technical Field
The invention relates to a hinge, in particular to a modularized buffer hinge.
Background
The existing door hinge with the buffering function generally utilizes a sleeve on the hinge as a cylinder body of a damping device, and hydraulic oil, a mounting rotating shaft, a spring and other parts are injected into the door hinge, so that the door hinge is complex to mount and easy to leak oil.
Disclosure of Invention
The invention aims to provide the modularized buffer hinge which is simple and reasonable in structure, convenient to install and reliable in work.
The purpose of the invention is realized in the following way:
The modularized buffer hinge comprises a first page plate and a second page plate, wherein the first page plate is provided with a first sleeve, the second page plate is provided with a second sleeve, and the modularized buffer hinge is characterized by further comprising a rotary buffer module, wherein the rotary buffer module comprises a sleeve, a damping device (damper), a rotating shaft and a screw rod transmission pair, the damping device is arranged in the sleeve, the damping device stretches out of a piston rod, the rotating shaft is rotatably arranged in the sleeve and is in transmission connection with the screw rod transmission pair, a linear motion piece of the screw rod transmission pair is connected with the piston rod, the rotary buffer module is arranged in the first sleeve and the second sleeve, the rotating shaft is in transmission connection with the first sleeve, and the sleeve is in transmission connection with the second sleeve. The damping device, the rotating shaft and the screw rod transmission pair of the structure are pre-installed in the sleeve to form an independent rotary buffer module, the appearance of the rotary buffer module is equivalent to that of a shaft, and the rotary buffer module is connected with the sleeves of the two hinge plates.
The aim of the invention can be also solved by adopting the following technical measures:
As a more specific scheme, the periphery of sleeve is equipped with outer octagonal surface, and outer octagonal surface protrusion is outside the periphery of sleeve, and the second sleeve inboard is interior octagonal hole, interior octagonal hole and outer octagonal surface clearance fit to form transmission connection relation. Through the cooperation of the octagonal surfaces, the rotary transmission stress is uniform, and the abrasion is not easy.
The screw rod transmission pair comprises a screw rotor, a pin shaft and a wear-resistant sleeve, wherein the screw rotor is the linear motion piece, the screw rotor is arranged in a sleeve in a rotating and linear sliding mode, the screw rotor is in transmission connection with a rotating shaft and in linear sliding fit, a spiral groove is formed in the peripheral surface of the screw rotor, the pin shaft is transversely arranged in the sleeve, the wear-resistant sleeve is sleeved outside the pin shaft, and the outer surface of the wear-resistant sleeve is in sliding fit with the spiral groove. The wear-resistant sleeve is similar to a roller, forms rolling friction with the spiral groove and the pin shaft, and reduces abrasion.
As a further scheme, the rotating shaft is provided with a transverse pin, a compression spring is arranged between the transverse pin and the spiral rotor, and the compression spring is sleeved outside the rotating shaft. If the damping device is internally provided with a spring, the compression spring and the transverse direction do not need to be installed when the automatic resetting damping device is formed.
As a further scheme, be equipped with the guide way that runs through its periphery in the pivot, the cross pin sets up in the guide way and follows the central axis direction of pivot and slide, and the center of pivot is equipped with the trompil, and the one end of trompil leads to in the guide way, and the other end of trompil leads to the outer end of pivot, trompil in be equipped with the dynamics adjusting screw that opens the door, dynamics adjusting screw and trompil threaded connection open the door. The distance between the transverse pin and the spiral rotor can be changed by adjusting the door opening force adjusting screw, namely the initial compression amount of the compression spring is changed, so that the force to be overcome when the door is opened is changed.
As a further scheme, the outer end of the rotating shaft extends out of the sleeve, a plug bush is sleeved at the outer end of the rotating shaft and is in transmission fit with the rotating shaft, at least one part of the plug bush is inserted into the first sleeve and is in transmission fit with the inner wall of the first sleeve through an octagonal surface, and a set screw is arranged outside the first sleeve and penetrates through the wall surface of the first sleeve to be in compression fit with the outer wall of the plug bush. The sleeve defines an end from which the rotational buffer module cannot be withdrawn from the sleeve mounting position.
As a further scheme, be equipped with ball bearing between pivot and the sleeve pipe, ball bearing one end extends the lantern ring, is equipped with first needle bearing between lantern ring and the pivot. The ball bearing can overcome the axial thrust of the rotating shaft during working, and the first needle bearing can overcome the centripetal thrust of the rotating shaft, so that the rotating shaft can smoothly rotate due to the combination of the two bearings, and the loosening of the rotating shaft is avoided.
The spiral rotor is further provided with a guide hole, an inner guide tooth trace is arranged on the inner wall of the guide hole and extends along the axis direction of the spiral rotor, an outer guide tooth trace is arranged at the inner end of the rotating shaft and extends along the axis direction of the rotating shaft, and the inner end of the rotating shaft is inserted into the guide hole, and the inner guide tooth trace and the outer guide tooth trace are meshed and in linear sliding fit.
The damping device comprises an outer cylinder body, an inner cylinder body, a piston rod, a door closing speed regulating valve, a piston, an end cover and a return spring, wherein one end of the outer cylinder body is fixedly connected with a sleeve, an inner cavity is arranged in the outer cylinder body, the door closing speed regulating valve is in threaded connection with the lower end of the outer cylinder body, an opening communicated with the inner cavity is arranged at the upper end of the outer cylinder body, the inner cylinder body is placed in the inner cavity through the opening, an oil passing channel is arranged between the outer wall of the inner cylinder body and the inner wall of the outer cylinder body, the piston is arranged in the inner cylinder body, the piston divides the inner cylinder body into an upper cavity and a lower cavity, the piston is provided with a one-way valve, the one-way valve is used for communicating the upper cavity with the lower cavity in one way, one end of the piston rod is arranged in the inner cylinder body and is connected with the piston, the other end of the piston rod is arranged outside the outer cylinder body and is connected with a spiral rotor, the end cover is arranged in the opening, the piston rod penetrates through the end cover, the upper end of the oil passing channel is communicated with the upper cavity, an oil passing regulating hole is arranged at the bottom of the inner cylinder body, the oil passing channel is communicated with the lower cavity through the oil passing regulating hole, the oil passing regulating hole is arranged at the bottom of the inner cylinder body, the upper end of the piston is in the bottom of the inner cylinder body and the lower cavity, the valve is in a pressing mode, the valve is corresponding to the oil passing through the oil passing hole, and the oil passing hole is used to be in the regulating hole, and the valve is connected to the lower cavity, and through the valve.
As a further scheme, the first sleeve is composed of two sections, the two sections of the first sleeve are a first section of first sleeve and a second section of first sleeve respectively, the first section of first sleeve and the second section of first sleeve are located at two ends of the same edge of the first page respectively, a yielding groove is formed between the first section of first sleeve and the second section of first sleeve, the second sleeve is arranged in the yielding groove, a first gasket and a second gasket are respectively arranged between the second sleeve and the first section of first sleeve and between the second section of first sleeve, and the other end of the cylinder body stretches into the second section of first sleeve and is provided with a second needle bearing with the second section of first sleeve. The second needle bearing forms a supporting function on the other end of the rotary buffer module, so that the rotary buffer module cannot be loosened towards the mounting end of the second needle bearing, and the rotary buffer module is reliably positioned in the sleeves of the two page plates.
The beneficial effects of the invention are as follows:
(1) The damping device, the rotating shaft and the screw rod transmission pair of the modularized buffer hinge are arranged in the sleeve in advance to form an independent rotary buffer module, the appearance of the rotary buffer module is equivalent to that of a shaft, and the rotary buffer module is connected with the sleeves of the two hinge plates, so that the modularized buffer hinge is convenient to install and reliable to work;
(2) The damping device of the modularized buffer hinge is an independent part, and is more convenient to assemble with the sleeve of the rotary buffer module;
(3) The sleeve of the rotary buffer module of the modularized buffer hinge is in clearance fit with the sleeve of one page plate through the hexagonal surface and is in transmission connection, the assembly is convenient (the installation is not needed by adopting a pressure device like interference fit), and the transmission is reliable.
Drawings
FIG. 1 is an exploded view of an embodiment of the present invention.
FIG. 2 is a schematic diagram of an exploded structure of a rotary buffer module according to the present invention.
Fig. 3 is a schematic diagram of the front view structure of the assembled (the page plate is perforated with connecting holes) invention.
Fig. 4 is a schematic view of the cross-sectional A-A structure of fig. 3.
Fig. 5 is an enlarged schematic view of the damping device in fig. 4.
Fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
FIG. 7 is a schematic bottom view of an end cap of a damper device according to the present invention.
FIG. 8 is a schematic cross-sectional F-F view of FIG. 7.
Fig. 9 is a schematic view showing a piston bottom view of the damping device according to the present invention.
Fig. 10 is a schematic diagram of the sectional structure of G-G of fig. 9.
FIG. 11 is a schematic diagram showing a front view of the inner cylinder of the damping device according to the present invention.
Fig. 12 is a schematic bottom view of fig. 11.
FIG. 13 is a schematic view of the damping device of FIG. 5 in another operating mode.
Fig. 14 is an enlarged schematic view of the structure of fig. 13 at J.
Fig. 15 is a schematic perspective view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
Referring to fig. 1-4 and 15, the modularized buffer hinge comprises a first page plate 10 and a second page plate 20, wherein the first page plate 10 is provided with a first sleeve, the second page plate 20 is provided with a second sleeve 201, the modularized buffer hinge further comprises a rotary buffer module 70, the rotary buffer module comprises a sleeve 2, a damping device 3, a rotating shaft 1 and a screw rod transmission pair, the damping device 3 is arranged in the sleeve 2, the damping device 3 extends out of a piston rod 31, the rotating shaft 1 is rotatably arranged in the sleeve 2 and is in transmission connection with the screw rod transmission pair, a linear motion piece of the screw rod transmission pair is connected with the piston rod 31, the rotary buffer module 70 is arranged in the first sleeve and the second sleeve 201, the rotating shaft 1 is in transmission connection with the first sleeve, and the sleeve 2 is in transmission connection with the second sleeve 201.
The outer circumference of the sleeve 2 is provided with an outer octagonal surface 21, the outer octagonal surface 21 protrudes out of the outer circumference of the sleeve 2, the inner side of the second sleeve 201 is provided with an inner octagonal hole 202, and the inner octagonal hole 202 is in clearance fit with the outer octagonal surface 21 so as to form a transmission connection relationship.
The screw rod transmission pair comprises a screw rotor 8, a pin shaft 83 and a wear-resistant sleeve 84, wherein the screw rotor 8 is the linear motion piece, the screw rotor 8 is arranged in the sleeve 2 in a rotating and linear sliding mode, the screw rotor 8 is in transmission connection with the rotating shaft 1 and in linear sliding fit, a screw groove 82 is formed in the peripheral surface of the screw rotor 8, the pin shaft 83 is transversely arranged in the sleeve 2, the wear-resistant sleeve 84 is sleeved outside the pin shaft 83, and the outer surface of the wear-resistant sleeve 84 is in sliding fit with the screw groove 82.
The rotating shaft 1 is externally provided with a transverse pin 6, a compression spring 7 is arranged between the transverse pin 6 and the spiral rotor 8, and the compression spring 7 is sleeved outside the rotating shaft 1.
The rotary shaft 1 is provided with a guide groove 12 penetrating through the outer peripheral surface of the rotary shaft 1, the transverse pin 6 is arranged in the guide groove 12 and slides along the central axis direction of the rotary shaft 1, the center of the rotary shaft 1 is provided with an opening 14, one end of the opening 14 is led into the guide groove 12, the other end of the opening 14 is led into the outer end of the rotary shaft 1, the opening 14 is internally provided with a door opening force adjusting screw 8, and the door opening force adjusting screw 8 is in threaded connection with the opening 14.
The outer end of the rotating shaft 1 extends out of the sleeve 2, a plug sleeve 60 is sleeved at the outer end of the rotating shaft 1, the plug sleeve 60 is in transmission fit with the rotating shaft 1, at least one part of the plug sleeve 60 is inserted into the first sleeve and is in transmission fit with the inner wall of the first sleeve through an octagonal surface, a set screw 102 is arranged outside the first sleeve, and the set screw 102 penetrates through the wall surface of the first sleeve and is in compression fit with the outer wall of the plug sleeve 60.
A ball bearing 5 is arranged between the rotating shaft 1 and the sleeve 2, one end of the ball bearing 5 extends out of the sleeve ring, and a first needle bearing 4 is arranged between the sleeve ring and the rotating shaft 1.
The spiral rotor 8 is provided with a guide hole 81, an inner guide insection is arranged on the inner wall of the guide hole 81 and extends along the axial direction of the spiral rotor 8, an outer guide insection 13 is arranged at the inner end of the rotating shaft 1, the outer guide insection 13 extends along the axial direction of the rotating shaft 1, the inner end of the rotating shaft 1 is inserted into the guide hole 81, and the inner guide insection and the outer guide insection 13 are meshed and are in linear sliding fit.
As shown in fig. 5 to 12, the damping device 3 includes an outer cylinder 33, an inner cylinder 38, a piston rod 31, a door closing speed adjusting valve 32, a piston 35, an end cover 34 and a return spring 37, one end of the outer cylinder 33 is fixedly connected with the sleeve 2, an inner cavity is arranged in the outer cylinder 33, the door closing speed adjusting valve 32 is in threaded connection with the lower end of the outer cylinder 33, an opening communicated with the inner cavity is arranged at the upper end of the outer cylinder 33, the inner cylinder 38 is placed into the inner cavity through the opening, an oil passing channel is arranged between the outer wall of the inner cylinder 38 and the inner wall of the outer cylinder 33, the piston 35 is arranged in the inner cylinder 38, the piston 35 divides the inner cylinder 38 into an upper cavity 381 and a lower cavity 382, the piston 35 is provided with a one-way valve, one end of the piston rod 31 is positioned in the inner cylinder 38 and connected with the piston 35, and the other end of the piston rod 31 is positioned outside the outer cylinder 33 and connected with the spiral rotor 8; the opening is internally provided with an end cover 34, a piston rod 31 passes through the end cover 34, the upper end of an oil passage is communicated with an upper cavity 381, the bottom of the inner cylinder 38 is provided with an oil passage regulating hole 383, the oil passage is communicated with a lower cavity 382 through the oil passage regulating hole 383, the return spring 37 is arranged in the inner cylinder 38 and is pressed and connected with the bottom of the piston 35 and the bottom of the lower cavity 382, the door closing speed regulating valve 32 is provided with a valve needle 321 corresponding to the oil passage regulating hole 383, and the flow of the oil passage regulating hole 383 is regulated by rotating the door closing speed regulating valve 32 so as to realize the regulation of the door closing speed. The valve needle 321 has a tapered shape with a narrow upper end and a wide lower end.
The bottom of the inner cylinder 38 is provided with a convex ring 385, the convex ring 385 heightens the bottom of the inner cylinder 38 and the inner cavity of the outer cylinder 33 by a certain distance, a slot 386 is radially arranged on the convex ring 385, the outer wall of the inner cylinder 38 is provided with a tangential plane 384 along the axial direction of the inner cylinder 38, the bottom surface of the end cover 34 is provided with a radial slot 342, the end cover 34 is provided with a central hole 341 corresponding to the piston rod 31, the inner wall of the central hole 341 is provided with a first positioning slot 343, the periphery of the end cover 34 is provided with a second positioning slot 344, and the first positioning slot 343 and the second positioning slot 344 are respectively used for placing a sealing ring. The oil passage is formed by the clearance 331 between the tangential surface 384 and the inner wall of the outer cylinder 33, the clearance between the bottom of the inner cylinder 38 and the bottom of the outer cylinder 33, the groove 386 and the radial groove 342.
The piston 35 is provided with an annular groove 352 at the periphery, a plurality of oil passing holes 351 are axially arranged at the bottom of the piston 35 and are communicated with the annular groove 352, a sealing ring 36 is sleeved in the annular groove 352, the periphery of the sealing ring 36 is in sealing fit with the inner wall of the inner cylinder 38, a central oil passing hole 361 is arranged at the center of the sealing ring 36, the central oil passing hole 361 is in clearance fit with the annular groove 352, the sealing ring 36 is in up-down movable fit with the annular groove 352, and the sealing ring 36 is mutually matched with the oil passing holes 351, the central oil passing hole 361 and the annular groove 362 to form the one-way valve.
The first sleeve is composed of two sections, namely a first section of first sleeve 101 and a second section of first sleeve 104, the first section of first sleeve 101 and the second section of first sleeve 104 are respectively positioned at two ends of the same edge of the first page 10, a yielding groove 103 is formed between the first section of first sleeve 101 and the second section of first sleeve 104, the second sleeve 201 is arranged in the yielding groove 103, a first gasket 30 and a second gasket 40 are respectively arranged between the second sleeve 201 and the first section of first sleeve 101 and between the second section of first sleeve 104, and the other end of the cylinder body extends into the second section of first sleeve 104 and is provided with a second needle bearing 50 with the second section of first sleeve 104. The inner holes of the first sleeve 101, the second sleeve 104, the first gasket 30 and the second gasket 40 are octagonal holes matched with the outer octagonal surface 21.
At least a part of the plug sleeve 60 is inserted into a section of the first sleeve 101 of the first sleeve, and the set screw 102 passes through the wall surface of the section of the first sleeve 101 to be in press fit with the outer wall of the plug sleeve 60.
The working principle is that the first page plate 10 and the second page plate 20 are respectively connected with a door frame and a door body, when the door is opened, the rotating shaft 1 and the sleeve 2 relatively rotate, the rotating shaft 1 drives the spiral rotor 8 to rotate, the spiral rotor 8 synchronously moves linearly towards the transverse pin 6 in the rotating process, the compression spring 7 is compressed to store energy, and meanwhile, the piston rod 31 of the damping device 3 is extended upwards under the action of the reset spring 37. The door opening acting force is removed, the compression spring 7 releases the energy, the spiral rotor 8 moves linearly towards the damping device 3, the spiral rotor 8 rotates reversely, the rotating shaft 1 and the sleeve 2 rotate reversely relatively, the door body is closed automatically, the piston rod 31 retracts into the damping device 3 and moves in a damping mode in the door body closing process, and therefore the door body is closed slowly.
Referring to fig. 5 and 6, when the piston rod 31 retracts toward the inside of the damping device 3 (see arrow C in fig. 5 and 6), the piston rod 31 drives the piston 35 to move toward the lower chamber 382 of the inner cylinder 38, the upper surface of the annular groove 352 of the piston 35 pushes the seal ring 36 to move toward the lower chamber 382 (i.e., the contact between the top surface of the seal ring 36 and the upper surface of the annular groove 352 is sealed, see arrow E in fig. 6), the volume of the lower chamber 382 becomes smaller, and the hydraulic oil in the lower chamber 382 slowly enters the upper chamber 381 after passing through the oil adjusting hole 383, the groove 386, the gap 331 between the bottom of the inner cylinder 38 and the bottom of the outer cylinder 33, the gap between the tangential surface 384 and the inner chamber wall of the outer cylinder 33, and the radial groove 342 in order, thereby generating a buffering effect. If the closing speed needs to be adjusted, the length of the valve needle 321 extending into the oil passing adjusting hole 383 is adjusted by adjusting the closing speed adjusting valve 32, so that the smaller the gap, the slower the closing speed, and conversely, the faster the gap between the valve needle 321 and the oil passing adjusting hole 383 is adjusted.
As shown in fig. 13 and 14, when the piston rod 31 extends upward along the arrow H in fig. 13 and 14, the return spring 37 deforms to move, the piston 35 drives the piston rod 31 to extend upward, the piston 35 moves toward the upper cavity 381 of the inner cylinder 38, the lower surface of the annular groove 352 of the piston 35 pushes the seal ring 36 to move toward the upper cavity 381 (i.e., a certain oil passing gap K separates between the top surface of the seal ring 36 and the upper surface of the annular groove 352, the oil passing gap communicates with the central oil passing hole 361 and the oil passing hole 351, a part of hydraulic oil in the upper cavity 381 enters the lower cavity 382 from the oil passing gap K, the oil passing hole 351 and the central oil passing hole 361, another part of hydraulic oil enters the lower cavity 382 through the gaps between the radial grooves 342, the tangential surface 384 and the inner cavity wall of the outer cylinder 33, the gap 331 between the bottom of the inner cylinder 38 and the bottom of the outer cylinder 33, the grooves 386 and the oil passing adjusting holes 383 (see the arrow I in fig. 13), so that when the piston rod 31 of the damping device 3 extends outward and resets, the hydraulic oil enters the lower cavity 382 rapidly, so that a rapid reset is realized, and a buffering effect is provided for next time.
Claims (7)
1. The modularized buffer hinge comprises a first page plate and a second page plate, wherein the first page plate is provided with a first sleeve, and the second page plate is provided with a second sleeve, and is characterized by further comprising a rotary buffer module, wherein the rotary buffer module comprises a sleeve, a damping device, a rotating shaft and a screw rod transmission pair, the damping device is arranged in the sleeve, the damping device stretches out of a piston rod, the rotating shaft is rotatably arranged in the sleeve and is in transmission connection with the screw rod transmission pair, and a linear motion piece of the screw rod transmission pair is connected with the piston rod;
The screw rod transmission pair comprises a screw rotor, a pin shaft and a wear-resistant sleeve, wherein the screw rotor is the linear motion piece, and is arranged in the sleeve in a rotating and linear sliding manner;
a ball bearing is arranged between the rotating shaft and the sleeve, one end of the ball bearing extends out of the sleeve ring, and a first needle bearing is arranged between the sleeve ring and the rotating shaft;
The damping device comprises an outer cylinder body, an inner cylinder body, a piston rod, a door closing speed regulating valve, a piston, an end cover and a return spring, wherein one end of the outer cylinder body is fixedly connected with a sleeve, an inner cavity is formed in the outer cylinder body, the door closing speed regulating valve is in threaded connection with the lower end of the outer cylinder body, an opening communicated with the inner cavity is formed in the upper end of the outer cylinder body, the inner cylinder body is placed in the inner cavity through the opening, an oil passing channel is formed between the outer wall of the inner cylinder body and the inner wall of the outer cylinder body, the piston is arranged in the inner cylinder body, the piston divides the inner cylinder body into an upper cavity and a lower cavity, the piston is provided with a one-way valve, the upper cavity is communicated with the lower cavity in one way, one end of the piston rod is located in the inner cylinder body and connected with the piston, the other end of the piston rod is located outside the outer cylinder body and connected with a spiral rotor, the end cover is arranged in the opening, the piston rod penetrates through the end cover, the upper end of the oil passing channel is communicated with the upper cavity, the oil passing channel is formed in the bottom of the inner cylinder body and communicated with the lower cavity through the oil passing channel, the oil passing channel is arranged in the inner cylinder body, the bottom the piston and is in the bottom of the lower cavity through the oil passing channel is in pressure-tight mode, the valve corresponds to the oil passing hole, the speed regulating valve is arranged, and is connected with the valve through the lower cavity through the valve through the upper end and the lower cavity and the valve through the end is.
2. The modular cushioning hinge of claim 1, wherein the outer circumference of the sleeve has an outer octagonal surface protruding from the outer circumference of the sleeve, and wherein the second sleeve is internally provided with an inner octagonal hole in clearance fit with the outer octagonal surface to form a driving connection.
3. The modular buffer hinge of claim 1, wherein the pivot is externally provided with a transverse pin, a compression spring is arranged between the transverse pin and the helical rotor, and the compression spring is sleeved outside the pivot.
4. A modular buffer hinge as claimed in claim 3, wherein the shaft is provided with a guide slot penetrating through the outer peripheral surface thereof, the transverse pin is arranged in the guide slot and slides along the central axis direction of the shaft, the center of the shaft is provided with an opening, one end of the opening opens into the guide slot, the other end of the opening opens into the outer end of the shaft, and an opening force adjusting screw is arranged in the opening and is in threaded connection with the opening.
5. A modular buffer hinge as claimed in claim 3, wherein the outer end of the shaft extends out of the sleeve, the outer end of the shaft is sleeved with a sleeve, the sleeve is in driving fit with the shaft, at least a part of the sleeve is inserted into the first sleeve and is in driving fit with the inner wall of the first sleeve through an octagonal surface, a set screw is arranged outside the first sleeve, and the set screw passes through the wall surface of the first sleeve and is in pressing fit with the outer wall of the sleeve.
6. The modularized buffer hinge according to claim 1, wherein the spiral rotor is provided with a guide hole, an inner guide tooth trace is arranged on the inner wall of the guide hole and extends along the axis direction of the spiral rotor, an outer guide tooth trace is arranged on the inner end of the rotating shaft and extends along the axis direction of the rotating shaft, the inner end of the rotating shaft is inserted into the guide hole, and the inner guide tooth trace and the outer guide tooth trace are meshed and linearly slidingly matched.
7. The modularized buffer hinge according to claim 1, wherein the first sleeve is composed of two sections, the two sections of the first sleeve are a first section of first sleeve and a second section of first sleeve respectively, the first section of first sleeve and the second section of first sleeve are located at two ends of the same edge of the first page respectively, a yielding groove is formed between the first section of first sleeve and the second section of first sleeve, the second sleeve is arranged in the yielding groove, a first gasket and a second gasket are respectively arranged between the second sleeve and the first section of first sleeve and between the second section of first sleeve, and the other end of the cylinder body extends into the second section of first sleeve and is provided with a second needle bearing with the second section of first sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774790.1A CN110792349B (en) | 2019-08-21 | 2019-08-21 | Modular Soft-close Hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774790.1A CN110792349B (en) | 2019-08-21 | 2019-08-21 | Modular Soft-close Hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110792349A CN110792349A (en) | 2020-02-14 |
| CN110792349B true CN110792349B (en) | 2024-12-24 |
Family
ID=69427022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910774790.1A Active CN110792349B (en) | 2019-08-21 | 2019-08-21 | Modular Soft-close Hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110792349B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360263A (en) * | 2020-11-25 | 2021-02-12 | 王伟敏 | Hinge device with adjustable damping rotating shaft |
| CN114541900A (en) * | 2022-01-21 | 2022-05-27 | 肇庆市高要区丰之泽卫浴五金有限公司 | Buffering hinge |
| CN115750578A (en) * | 2022-10-31 | 2023-03-07 | 维沃移动通信有限公司 | Folding mechanism and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278031A (en) * | 2011-07-05 | 2011-12-14 | 伍肇坚 | Multifunctional hinge mandrel |
| CN205297127U (en) * | 2015-10-16 | 2016-06-08 | 韦希 | Hydraulic buffer hinge |
| CN210888502U (en) * | 2019-08-21 | 2020-06-30 | 陈玉山 | Modular buffering hinge |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8526660U1 (en) * | 1985-09-18 | 1987-01-22 | Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen | Door closer |
| JPH1088899A (en) * | 1996-09-19 | 1998-04-07 | Takigen Mfg Co Ltd | Rotary damper for door |
| KR20080112870A (en) * | 2007-06-22 | 2008-12-26 | 주식회사 아이원이노텍 | Side speed control device and embedded automatic return hinge device |
| ITVI20110124A1 (en) * | 2011-05-19 | 2012-11-20 | In & Tec Srl | PISTON DEVICE FOR AUTOMATIC CLOSING OF DOORS, DOORS OR SIMILARS |
| CN204850853U (en) * | 2015-06-08 | 2015-12-09 | 潘约章 | Multi -functional hydraulic cushion system - hinge |
| TWI568946B (en) * | 2016-03-02 | 2017-02-01 | 川湖科技股份有限公司 | Damping device |
| KR101880348B1 (en) * | 2016-05-25 | 2018-07-19 | 워터슨 코포레이션 | Hinge assemblage |
| CN208040143U (en) * | 2018-03-27 | 2018-11-02 | 陈玉山 | A kind of adjustable hydraulic pressure door hinge |
-
2019
- 2019-08-21 CN CN201910774790.1A patent/CN110792349B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278031A (en) * | 2011-07-05 | 2011-12-14 | 伍肇坚 | Multifunctional hinge mandrel |
| CN205297127U (en) * | 2015-10-16 | 2016-06-08 | 韦希 | Hydraulic buffer hinge |
| CN210888502U (en) * | 2019-08-21 | 2020-06-30 | 陈玉山 | Modular buffering hinge |
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| CN110792349A (en) | 2020-02-14 |
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