CN108590399B - Two-way opening and closing hydraulic buffering hinge - Google Patents
Two-way opening and closing hydraulic buffering hinge Download PDFInfo
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- CN108590399B CN108590399B CN201810422943.1A CN201810422943A CN108590399B CN 108590399 B CN108590399 B CN 108590399B CN 201810422943 A CN201810422943 A CN 201810422943A CN 108590399 B CN108590399 B CN 108590399B
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- sealing
- hinge
- movable piston
- connecting piece
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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
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
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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
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
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- 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
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- 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
Abstract
The invention relates to a bidirectional opening and closing hydraulic buffering hinge which comprises a first hinge body, a second hinge body and a mandrel device, wherein two ends of the mandrel device are respectively connected to the first hinge body and the second hinge body. The invention has the advantages of scientific and reasonable structural design, high reliability, long service life, low noise and the like.
Description
Technical Field
The invention relates to the field of door and window accessories, in particular to a bidirectional opening and closing hydraulic buffering hinge.
Background
At present, a plurality of hinges have a buffering function. The existing buffer is mostly composed of a first hinge body, a second hinge body, a connecting shaft, a movable block, a spring, a positioning sleeve, an outer sleeve and a limiting pin, and a limiting guide hole with a limiting function is formed in the positioning sleeve. During assembly, the spring is sleeved on the connecting shaft, the movable block is movably connected to the end part of the connecting shaft, two ends of the spring respectively and elastically act on the connecting shaft and the movable block, then the movable block extends into the positioning sleeve, the limiting pin simultaneously penetrates through the limiting guide hole and the movable block, then the outer sleeve is sleeved on the connecting shaft, the movable block, the spring and the positioning sleeve, two ends of the outer sleeve respectively penetrate through the first hinge body and the second hinge body, the end part of the connecting shaft is connected with the first hinge body, and the positioning sleeve is connected with the second hinge body. When the first hinge body and the second hinge body rotate and rotate mutually, the movable block can rotate relative to the positioning sleeve, and the limiting pin slides in the limiting guide hole. Because, spring elastic action is on the movable block, like this under the effect that does not have the external force, will promote the spacer pin through the spring and slide in spacing guiding hole, then through the counterforce, just can make the connecting axle realize rotating to just can make first hinge body and second hinge body realize relative rotation, and then just can make the effect that the door realized self-closing. In such a buffering hinge, the door is automatically closed by the elastic force of the spring, however, the elastic force of the spring is easily lost after a long time use, which may reduce the service life of the hinge. In the process of the movable rotation, larger noise is easy to appear, and the life of people is influenced greatly. Although, the hinge with hydraulic oil appears at present, because the defect of the existing hinge structural design, the condition of turbulence disturbance easily appears in the hydraulic oil in the process of the process, the stability of the buffering effect of the hinge is greatly influenced, and the hinge cannot be used normally by people.
Disclosure of Invention
The invention aims to solve the problems and the defects and provides a bidirectional opening and closing hydraulic buffer hinge which has two opening and closing directions, can automatically position a door leaf at a certain angle when the door leaf is opened at a certain angle, can automatically close the upper door leaf when the door leaf is closed at a certain angle, can adjust the operation force of the hinge according to actual needs, has strong applicability and is flexible and convenient to adjust; in addition, the novel air conditioner has the advantages of scientific and reasonable structural design, reliability, durability, long service life, extremely low running noise and the like.
The technical scheme of the invention is realized as follows: a bidirectional opening and closing hydraulic buffer hinge comprises a first hinge body, a second hinge body and a mandrel device, wherein the first hinge body and the second hinge body are assembled and connected together through the mandrel device, it is characterized in that the mandrel device comprises a mandrel pipe body, a first sealing connecting piece, a second sealing connecting piece, a movable piston cam, a limiting cylinder sleeve, a rotary connecting shaft, a spring, a limiting pin and a one-way valve, wherein the end part of the outer end of the first sealing connecting piece is provided with a thread adjusting hole, an adjusting screw plug is arranged in the thread adjusting hole, an oil return hole and an oil inlet hole which are communicated outwards are respectively arranged on the two sides of the hole wall of the thread adjusting hole, the oil return hole is arranged on the outer side wall of the first sealing connecting piece in a penetrating way, the oil inlet hole is arranged on the inner end face of the first sealing connecting piece in a penetrating way, and a fixed cam part is further arranged on the inner end face of the first sealing connecting piece; the movable piston cam is provided with a movable cam part which is matched with the fixed cam part, and the movable piston cam is also provided with an oil guide hole which is penetrated from one end to the other end; the limiting cylinder sleeve is provided with a positioning guide hole which is communicated from one end to the other end, the surface of the limiting cylinder sleeve is also provided with a limiting guide hole in a letter V shape, the limiting guide hole is communicated with the positioning guide hole in a penetrating way, and the surface of the limiting cylinder sleeve is also provided with a flow guide groove arranged along the length of the limiting cylinder sleeve; the limiting cylinder sleeve and the first sealing connecting piece are fixedly sleeved together, and the diversion trench on the limiting cylinder sleeve is in butt joint with the oil return hole of the first sealing connecting piece to form an oil return groove path; the movable piston cam is sleeved in a positioning guide hole of the limiting cylinder sleeve, a movable cam part on the movable piston cam is in butt joint and occlusion with a fixed cam part of the first sealing connecting piece, a cavity hole for accommodating and installing a one-way valve is further formed between the movable cam part and the fixed cam part, and the one-way valve is installed in the cavity hole; a limiting pin which is transversely inserted is arranged between the limiting cylinder sleeve and the movable piston cam, and one end of the limiting pin is arranged in the limiting guide hole, so that the movable piston cam axially moves along the limiting guide hole; the movable piston cam is sleeved with one end of the rotating connecting shaft, and the spring is sleeved between the movable piston cam and the rotating connecting shaft so as to assemble a first mandrel component; the first mandrel component is sleeved in one end of the mandrel pipe body, and the first sealing connecting piece is arranged at the pipe orifice at one end of the mandrel pipe body so as to form a sealing end-sealing effect on the pipe orifice at one end of the mandrel pipe body; the second sealing connecting piece is connected with the other end of the rotating connecting shaft and is arranged at the pipe orifice at the other end of the mandrel pipe body in an embedded mode, so that a sealing end-sealing effect is formed on the pipe orifice at the other end of the mandrel pipe body, and a sealing oil cavity with two closed ends is formed in the mandrel pipe body.
Furthermore, in order to realize the adjustment of the tension force of the spring, a first waist-shaped hole is further formed in the rotary connecting shaft, a spring pressure pin penetrates through the first waist-shaped hole, a threaded hole penetrating through the end face of the other end of the rotary connecting shaft to the first waist-shaped hole is formed in the end face of the other end of the rotary connecting shaft, an adjusting screw rod is installed in the threaded hole, the inner end of the adjusting screw rod abuts against the middle of the spring pressure pin, and the spring sleeve is arranged between the spring pressure pin and the movable piston cam.
Still further, in order to connect the movable piston cam and the rotary connecting shaft together simply and reliably, the movable piston cam is further provided with a sleeve hole which is sleeved with the rotary connecting shaft, the outer surface of the movable piston cam is further provided with a second waist-shaped hole which penetrates through the sleeve hole, and a link movable pin which penetrates through the rotary connecting shaft is further arranged in the second waist-shaped hole so as to enable the movable piston cam and the rotary connecting shaft to be connected together in an assembling mode.
The invention has the beneficial effects that: in the design of the invention, one end of the mandrel pipe body is sleeved on the end part of the inner end of the first sealing connecting piece, one end of the second sealing connecting piece is embedded in the other end of the mandrel pipe body, and the inner hole of the mandrel pipe body can form a sealed oil cavity after the second sealing connecting piece is embedded in the mandrel pipe body. One end of the rotary connecting shaft, the movable piston cam, the spring and the limiting cylinder sleeve are all positioned in the oil cavity, so that the structures can be shielded and protected, the noise can be reduced, the abrasion loss of each component can be reduced, and the service life of the hinge can be prolonged. In the moving process of the movable piston cam, the space between the movable piston cam and the fixed cam part can be expanded or reduced. Because the first sealing connecting piece is provided with the thread adjusting hole, the oil return hole and the oil inlet hole, after the assembly is finished, an oil path circulating channel consisting of the oil inlet hole, the thread adjusting hole, the oil return hole, the diversion trench, the oil cavity and the oil guide hole can be formed on the hinge. Because the oil guide hole is provided with the one-way valve, the oil circuit circulation channel can only realize one-way flow, and thus, the hydraulic oil can be pushed to flow along the oil circuit circulation channel in a one-way manner in the moving process of the movable piston cam. And because the adjusting screw plug is arranged in the thread adjusting hole, the thread engagement amount between the orifice of the oil inlet hole and the orifice of the oil return hole can be adjusted by rotating the adjusting screw plug, when the engagement amount is larger, the more thread engagement gaps are formed for the hydraulic oil to pass through, and the larger the buffer effect is realized. When the engagement amount is smaller, the thread engagement clearance through which the hydraulic oil passes is smaller, and the damping effect thereof is smaller. This serves the purpose of adjusting how large the damping force is. Because the oil inlet hole drill way and the oil return hole drill way are all located the screw thread regulation pore wall, this enables hydraulic oil and flows along the interlock clearance of screw thread more steadily, can avoid the condition of turbulent flow disturbance effectively, helps improving the shock-absorbing capacity of hinge, and it can satisfy people's user demand completely. Meanwhile, the limiting cylinder sleeve is provided with a limiting guide hole in a shape of letter 'V', so that the limiting pin can only stop at the middle part of the limiting guide hole under the elastic action of the spring, and the hinge can be opened and closed bidirectionally. When the door is applied, the door can be opened outwards and can be opened inwards, and when the door leaf is opened to a certain angle, the door leaf can be automatically positioned at the certain angle; for example, when the door leaf is opened to 45 degrees or so, the door leaf can be opened automatically and be fixed a position to 90 degrees on the angle, perhaps, after the door leaf was opened to being greater than 90 degrees, the door leaf can be opened automatically and be fixed a position to 180 degrees on. On the contrary, when the door leaf is closed to a certain angle, the upper door leaf can be automatically closed. And in the process of closing the door leaf, the door leaf has a buffering effect, so that the door leaf is prevented from impacting the door frame too heavily, and the effect of muting when the door is closed is achieved. And the movable cam part of the movable piston cam is matched with the fixed cam part, so that the movable piston cam and the fixed cam part can play a double limiting role together with the limiting guide hole, and the reliability of the hinge is improved. The structural design of the bidirectional opening and closing hydraulic buffer hinge is scientific and reasonable, and the reliability of the hinge is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of the split structure of the present invention.
Fig. 3 is a schematic cross-sectional view of the mandrel assembly of the present invention.
Fig. 4 is a schematic view of a split structure of the mandrel device of the present invention.
Fig. 5 is a sectional structural view of the first sealing joint according to the present invention.
Fig. 6 is a schematic sectional view showing the movable piston cam according to the present invention.
Fig. 7 is a schematic structural diagram of the limiting cylinder sleeve in the invention.
Fig. 8 is a sectional view schematically showing the structure of the rotary connecting shaft of the present invention.
Detailed Description
As shown in fig. 1, 2 and 4, the two-way opening and closing hydraulic buffering hinge of the present invention includes a first hinge body 1, a second hinge body 2, and a mandrel device 3, wherein the first hinge body 1 and the second hinge body 2 are assembled and connected together by the mandrel device 3, and is characterized in that: the mandrel device 3 comprises a mandrel pipe body 31, a first sealing connector 32, a second sealing connector 33, a movable piston cam 34, a limiting cylinder sleeve 35, a rotating connecting shaft 36, a spring 37, a limiting pin 38 and a one-way valve 343.
As shown in fig. 5, a thread adjusting hole 321 is formed in an end portion of an outer end of the first sealing connector 32, an adjusting screw plug 322 is disposed in the thread adjusting hole 321, an oil return hole 301 and an oil inlet hole 302 which are arranged to penetrate outwards are disposed on two sides of a hole wall of the thread adjusting hole 321, the oil return hole 301 penetrates through an outer side wall of the first sealing connector 32, the oil inlet hole 302 penetrates through an end surface of an inner end of the first sealing connector 32, and a fixing cam portion 323 is further disposed on the end surface of the inner end of the first sealing connector 32. The oil return hole 301 and the oil inlet hole 302 are designed to adjust the oil flow rate during the operation of the whole oil circuit by adjusting the screw plug 322, so as to adjust the oil pressure during the operation of the whole hinge.
As shown in fig. 6 and 4, the movable piston cam 34 is provided with a movable cam portion 341 adapted to the fixed cam portion 323, and the movable piston cam 34 is further provided with an oil guide hole 342 extending from one end thereof to the other end thereof.
As shown in fig. 7 and 4, the limiting cylinder sleeve 35 is provided with a positioning guide hole 351 penetrating from one end to the other end thereof, the surface of the limiting cylinder sleeve 35 is further provided with a limiting guide hole 352 shaped like a letter 'V', the limiting guide hole 352 is communicated with the positioning guide hole 351, and the surface of the limiting cylinder sleeve 35 is further provided with a guide groove 353 arranged along the length thereof.
As shown in fig. 2 and 3, the limiting cylinder sleeve 35 and the first sealing connector 32 are fixedly sleeved together, and the diversion trench 353 on the limiting cylinder sleeve 35 is in butt connection with the oil return hole 301 of the first sealing connector 32 to form an oil return channel; the movable piston cam 34 is sleeved in a positioning guide hole 351 of the limiting cylinder sleeve 35, a movable cam portion 341 on the movable piston cam 34 is butted and meshed with a fixed cam portion 323 of the first sealing connecting piece 32, a cavity hole 20 for accommodating and installing a one-way valve 343 is further arranged between the movable cam portion 341 and the fixed cam portion 323, and the one-way valve 343 is installed in the cavity hole 20; a limiting pin 38 is transversely inserted between the limiting cylinder sleeve 35 and the movable piston cam 34, and one end of the limiting pin 38 is disposed in the limiting guide hole 352, so that the movable piston cam 34 axially moves along the limiting guide hole 352. The movable piston cam 34 is sleeved with one end of the rotating connecting shaft 36, and the spring 37 is sleeved between the movable piston cam 34 and the rotating connecting shaft 36, so that the first spindle assembly 4 is assembled.
As shown in fig. 3, the first mandrel component 4 is sleeved in one end of the mandrel pipe body 31, and the first sealing connector 32 is placed at a pipe orifice at one end of the mandrel pipe body 31 to form a sealing end-sealing effect on the pipe orifice at one end of the mandrel pipe body 31; the second sealing connector 33 is connected to the other end of the rotating connecting shaft 36, and the second sealing connector 33 is inserted into the opening at the other end of the mandrel pipe body 31 to seal the opening at the other end of the mandrel pipe body 31, so as to form a sealing oil chamber 311 with two closed ends in the mandrel pipe body 31.
In the design of the present invention, one end of the mandrel pipe body 31 is sleeved on the end part of the inner end of the first sealing connector 32, one end of the second sealing connector 33 is embedded in the other end of the mandrel pipe body 31, and after the second sealing connector 33 is embedded in the mandrel pipe body 31, the inner hole of the mandrel pipe body 31 can form a sealed oil cavity 311. One end of the rotating connecting shaft 36, the movable piston cam 34, the spring 37 and the limiting cylinder sleeve 35 are all positioned in the oil cavity 311, so that the structures can be shielded and protected, the noise can be reduced, the abrasion of each component can be reduced, and the service life of the hinge can be prolonged. The space between the movable piston cam 34 and the fixed cam portion 323 can be expanded or reduced during the movement of the movable piston cam 34. Because the first sealing connector 32 is provided with the threaded adjusting hole 321, the oil return hole 301 and the oil inlet hole 302, after the assembly is completed, an oil path circulation channel formed by the oil inlet hole 302, the threaded adjusting hole 321, the oil return hole 301, the diversion groove 353, the oil chamber 311 and the oil guide hole 342 can be formed on the hinge. Because the oil guide hole 342 is provided with the check valve 343, the oil path circulation passage can only realize one-way flow, and thus, the hydraulic oil can be pushed to flow along the oil path circulation passage in one way in the moving process of the movable piston cam 34. Because the adjusting screw plug 322 is arranged in the screw adjusting hole 321, the screw engaging amount between the orifice of the oil inlet hole 302 and the orifice of the oil return hole 301 can be adjusted by rotating the adjusting screw plug 322, when the engaging amount is larger, the more the screw engaging gaps are for the hydraulic oil to pass through, and the larger the buffer effect is. When the engagement amount is smaller, the thread engagement clearance through which the hydraulic oil passes is smaller, and the damping effect thereof is smaller. This serves the purpose of adjusting the damping force to a greater extent. Because, the oil inlet hole 302 drill way all is located the screw thread regulation hole 321 drill way with oil gallery 301 drill way, and this enables hydraulic oil and flows along the interlock clearance of screw thread more steadily, can avoid the condition of turbulent flow disturbance effectively, helps improving the shock-absorbing capacity of hinge, and it can satisfy people's user demand completely. Meanwhile, the limiting cylinder sleeve 35 is provided with a limiting guide hole 352 shaped like a letter 'V', so that the limiting pin 38 can only stay in the middle of the limiting guide hole 352 under the elastic force of the spring 37, and the hinge can be opened and closed bidirectionally. When in use, the door can be opened outwards and opened inwards, can be closed automatically, and has a buffer effect in the closing process. The movable cam portion 341 of the movable piston cam 34 is engaged with the fixed cam portion 323, and thus, the stopper guide hole 352 and the stopper guide hole 352 perform a double stopper function, which contributes to improvement in reliability of the hinge. The structural design of the bidirectional opening and closing hydraulic buffer hinge is scientific and reasonable, and the reliability of the hinge is improved.
By keeping the movement locus of the stopper pin 38 on the movable piston cam 34 consistent with the hole pattern of the stopper guide hole 352, the stopper pin 38 can be prevented from being stuck when the movable piston cam 34 and the fixed cam portion 323 rotate relatively, which contributes to improving the reliability of the entire structure. In the actual manufacturing process, in order to enhance the sealing performance of the hinge, sealing rings can be arranged at the joints of some structures according to needs.
In order to adjust the tension of the spring 37, as shown in fig. 8, 3, and 4, the rotating connecting shaft 36 is further provided with a first waist-shaped hole 361, a spring pressure pin 362 is inserted into the first waist-shaped hole 361, a threaded hole 363 penetrating from an end surface to the first waist-shaped hole 361 is provided on an end surface of the other end of the rotating connecting shaft 36, an adjusting screw 364 is installed in the threaded hole 363, an inner end of the adjusting screw 364 is pressed against a middle portion of the spring pressure pin 362, and the spring 37 is sleeved between the spring pressure pin 362 and the movable piston cam 34. During use, the adjusting screw 364 can be rotated to push the spring pressure pin 362 to slide along the first slotted hole 361, so that the purpose of changing the pressure acting on the spring 37 by the spring pressure pin 362 can be achieved, and the movement strength of the movable piston cam 34 can be changed to achieve the purpose of adjusting the buffering action. The structural design is very simple and reliable. Through the design of the adjusting structure of the spring force of the spring, the hinge operation force can be adjusted through oil pressure adjustment, and the hinge operation force can be adjusted through adjusting the tensioning force of the spring 37, so that the hinge has a double-adjusting function.
In order to connect the movable piston cam and the rotary connecting shaft simply and reliably, as shown in fig. 3 and 4, the movable piston cam 34 is further provided with a sleeve hole 344, the sleeve hole 344 is sleeved with the rotary connecting shaft 36, the outer surface of the movable piston cam 34 is further provided with a second kidney-shaped hole 345 penetrating the sleeve hole 344, and the second kidney-shaped hole 345 is further provided with a link movable pin 346 crossing the rotary connecting shaft 36, so that the movable piston cam 34 and the rotary connecting shaft 36 are assembled and connected together. With such a structural design, it is possible to contribute to improvement in reliability of the connecting structure of the movable piston cam 34 and the rotation connecting shaft 36.
On the basis of the above, in order to further optimize the structure of the second sealing connector, as shown in fig. 2 and fig. 4, the second hinge body 2 is provided with a sleeving hole 10, the second sealing connector 33 includes a bearing 331, a bearing sealing sleeve 332, and a spline shaft head 333, the bearing 331 is sleeved on the other end of the rotating connecting shaft 36, the bearing sealing sleeve 332 is sleeved on the bearing 331 in a sealing manner, the bearing sealing sleeve 332 is embedded in the mandrel pipe body 31 in a sealing manner, the spline shaft head 333 is sleeved on the rotating connecting shaft 36 outside the bearing sealing sleeve 332, and the spline shaft head 333 is embedded in the sleeving hole 10 of the second hinge body 2. The structural design of the second sealing connection 33 is very reliable. In the actual manufacturing process, the ball bearing and the cylindrical rolling bearing can be simultaneously sleeved on the rotating connecting shaft 36, and then the bearing sealing sleeve 332 is simultaneously sleeved on the ball bearing and the cylindrical rolling bearing.
On the basis of the above, to further optimize the structure of the first hinge body and the second hinge body, as shown in fig. 1 and fig. 2, the first hinge body 1 and the second hinge body 2 are respectively composed of a sleeving cylinder 101 and a fixing plate 102, the fixing plate 102 is provided with a plurality of locking holes 120, the side edge of the fixing plate 102 is connected with the outer surface of the sleeving cylinder 101, and two ends of the mandrel device 3 are respectively connected to the sleeving cylinder 101 of the first hinge body 1 and the sleeving cylinder 101 of the second hinge body 2. The first hinge body 1 and the second hinge body 2 are simple and reliable in structural design, and the hinge is beneficial to improving the manufacturing efficiency. In the actual manufacturing process, the locking hole 120 may be made as a counter-sunk hole.
On the basis, in order to further optimize the assembly structure of the first sealing connector and the first hinge body, as shown in fig. 2 and fig. 5, the first hinge body 1 is provided with a sleeving hole 10, the first sealing connector 32 is in a cylindrical structure, the outer end of the first sealing connector 32 is provided with a spline portion 324, and the spline portion 324 is embedded in the sleeving hole 10 of the first hinge body 1. With such a structural design, it is helpful to improve the reliability of the assembly structure of the first sealing joint 32 and the first hinge body 1. In practical use, the outer end openings of the nesting holes 10 of the first hinge body 1 and the second hinge body 2 can be respectively covered with protective covers 103 to shield and protect the inner components.
As shown in fig. 1 and 2, the mandrel pipe 31 is sleeved with a plane bearing 312, and the plane bearing 312 is respectively located between the first hinge body 1 and the second hinge body 2. Through the arrangement of the plane bearing 312, the mutual friction between the first hinge body 1 and the second hinge body 2 can be avoided, and the smoothness of the mutual rotation between the first hinge body 1 and the second hinge body 2 can be effectively improved.
On the basis of the above, in order to further optimize the assembly structure of the second sealing connector and the second hinge body, as shown in fig. 1 and fig. 2, a locking screw 21 for locking the second sealing connector 33 and the rotating connecting shaft 36 is provided on the second hinge body 2. This structural design can play the effect of location effectively and help improving the reliability of hinge. In the actual design process, the locking screw 21 is pressed on the rotary connecting shaft 36 after sequentially passing through the outer wall of the sleeve 101 and the spline shaft head 333.
Claims (8)
1. The utility model provides a two-way hydraulic cushion hinge that opens and shuts, includes first hinge body (1), second hinge body (2), dabber device (3), first hinge body (1) passes through dabber device (3) equipment with second hinge body (2) and is connected together its characterized in that: the mandrel device (3) comprises a mandrel pipe body (31), a first sealing connecting piece (32), a second sealing connecting piece (33), a movable piston cam (34), a limiting cylinder sleeve (35), a rotary connecting shaft (36), a spring (37), a limiting pin (38) and a one-way valve (343), wherein the end part of the outer end of the first sealing connecting piece (32) is provided with a thread adjusting hole (321), an adjusting screw plug (322) is arranged in the threaded adjusting hole (321), an oil return hole (301) and an oil inlet hole (302) which are arranged to be communicated outwards are respectively arranged on two sides of the hole wall of the threaded adjusting hole (321), wherein the oil return hole (301) is arranged through to the outer side wall of the first sealing connector (32), the oil inlet hole (302) is arranged on the inner end surface of the first sealing connecting piece (32) in a penetrating way, a fixed cam part (323) is also arranged on the inner end surface of the first sealing connecting piece (32);
the movable piston cam (34) is provided with a movable cam part (341) which is matched with the fixed cam part (323) to act, and the movable piston cam (34) is also provided with an oil guide hole (342) which is penetrated from one end to the other end;
the limiting cylinder sleeve (35) is provided with a positioning guide hole (351) which penetrates from one end to the other end, the surface of the limiting cylinder sleeve (35) is also provided with a limiting guide hole (352) in a letter V shape, the limiting guide hole (352) is communicated with the positioning guide hole (351) in a penetrating manner, and the surface of the limiting cylinder sleeve (35) is also provided with a guide groove (353) which is arranged along the length of the limiting cylinder sleeve;
the limiting cylinder sleeve (35) and the first sealing connecting piece (32) are sleeved and fixed together, and a diversion trench (353) on the limiting cylinder sleeve (35) is in butt joint communication with an oil return hole (301) of the first sealing connecting piece (32) to form an oil return channel; the movable piston cam (34) is sleeved in a positioning guide hole (351) of the limiting cylinder sleeve (35), a movable cam part (341) on the movable piston cam (34) is in butt joint and occlusion with a fixed cam part (323) of the first sealing connecting piece (32), a cavity hole (20) for accommodating and installing a one-way valve (343) is further arranged between the movable cam part (341) and the fixed cam part (323), and the one-way valve (343) is installed in the cavity hole (20); a limiting pin (38) transversely inserted is arranged between the limiting cylinder sleeve (35) and the movable piston cam (34), and one end of the limiting pin (38) is arranged in the limiting guide hole (352) so that the movable piston cam (34) axially moves along the limiting guide hole (352); the movable piston cam (34) is sleeved with one end of the rotating connecting shaft (36), and the spring (37) is sleeved between the movable piston cam (34) and the rotating connecting shaft (36) so as to assemble the first mandrel component (4);
the first mandrel component (4) is sleeved in one end of the mandrel pipe body (31), and the first sealing connecting piece (32) is arranged at the pipe orifice at one end of the mandrel pipe body (31) to form a sealing end-sealing effect on the pipe orifice at one end of the mandrel pipe body (31); the second sealing connecting piece (33) is connected with the other end of the rotating connecting shaft (36), and the second sealing connecting piece (33) is arranged at the pipe orifice at the other end of the mandrel pipe body (31) in an embedded mode to form a sealing end sealing effect on the pipe orifice at the other end of the mandrel pipe body (31) so that a sealing oil cavity (311) with two closed ends is formed in the mandrel pipe body (31).
2. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: the rotating connecting shaft (36) is further provided with a first waist-shaped hole (361), a spring pressure pin (362) penetrates through the first waist-shaped hole (361), a threaded hole (363) penetrating through the end face of the other end of the rotating connecting shaft (36) to the first waist-shaped hole (361) is formed in the end face of the other end of the rotating connecting shaft, an adjusting screw rod (364) is installed in the threaded hole (363), the inner end of the adjusting screw rod (364) is enabled to be pressed against the middle of the spring pressure pin (362), and the spring (37) is sleeved between the spring pressure pin (362) and the movable piston cam (34).
3. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: the movable piston cam (34) is further provided with a penetrating hole (344), the penetrating hole (344) is sleeved with the rotating connecting shaft (36), a second waist-shaped hole (345) penetrating through the penetrating hole (344) is further formed in the outer surface of the movable piston cam (34), and a link movable pin (346) crossing the rotating connecting shaft (36) is further arranged in the second waist-shaped hole (345) so that the movable piston cam (34) is assembled and connected with the rotating connecting shaft (36).
4. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: the second hinge body (2) is provided with a sleeving hole (10), the second sealing connecting piece (33) comprises a bearing (331), a bearing sealing sleeve (332) and a spline shaft head (333), the bearing (331) is sleeved on the other end of the rotating connecting shaft (36), the bearing sealing sleeve (332) is sleeved on the bearing (331) in a sealing mode, the bearing sealing sleeve (332) is embedded in the mandrel pipe body (31) in a sealing mode, the spline shaft head (333) is sleeved on the rotating connecting shaft (36) on the outer side of the bearing sealing sleeve (332), and the spline shaft head (333) is embedded in the sleeving hole (10) of the second hinge body (2).
5. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: the hinge structure is characterized in that the first hinge body (1) and the second hinge body (2) are respectively composed of a sleeving cylinder (101) and a fixing plate (102), a plurality of locking holes (120) are formed in the fixing plate (102), the side edge of the fixing plate (102) is connected with the outer surface of the sleeving cylinder (101), and two ends of the mandrel device (3) are respectively connected into the sleeving cylinder (101) of the first hinge body (1) and the sleeving cylinder (101) of the second hinge body (2).
6. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: the first hinge body (1) is provided with a sleeving hole (10), the first sealing connecting piece (32) is of a cylindrical structure, the outer end of the first sealing connecting piece (32) is provided with a spline part (324), and the spline part (324) is embedded in the sleeving hole (10) of the first hinge body (1).
7. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: the mandrel pipe body (31) is sleeved with a plane bearing (312), and the plane bearing (312) is respectively positioned between the first hinge body (1) and the second hinge body (2).
8. The bidirectional opening and closing hydraulic buffering hinge according to claim 1, characterized in that: and a locking screw (21) locked on the second sealing connecting piece (33) and the rotating connecting shaft (36) is arranged on the second hinge body (2).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422943.1A CN108590399B (en) | 2018-05-05 | 2018-05-05 | Two-way opening and closing hydraulic buffering hinge |
| PCT/IB2019/053405 WO2019215531A1 (en) | 2018-05-05 | 2019-04-25 | Bidirectional opening and closing hydraulic buffer hinge |
| TW108115222A TWI694205B (en) | 2018-05-05 | 2019-05-02 | Two-way opening and closing hydraulic buffer hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422943.1A CN108590399B (en) | 2018-05-05 | 2018-05-05 | Two-way opening and closing hydraulic buffering hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590399A CN108590399A (en) | 2018-09-28 |
| CN108590399B true CN108590399B (en) | 2020-05-12 |
Family
ID=63620942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810422943.1A Active CN108590399B (en) | 2018-05-05 | 2018-05-05 | Two-way opening and closing hydraulic buffering hinge |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108590399B (en) |
| TW (1) | TWI694205B (en) |
| WO (1) | WO2019215531A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590399B (en) * | 2018-05-05 | 2020-05-12 | 欧佳昌 | Two-way opening and closing hydraulic buffering hinge |
| CN109538042A (en) * | 2018-10-11 | 2019-03-29 | 苏州皇冠门控有限公司 | A kind of automatic runback heel device |
| CN109972946A (en) * | 2019-05-16 | 2019-07-05 | 中山市蒂丽舍厨房设备制造有限公司 | Pivot structure and its utilization |
| CN111502458A (en) * | 2020-06-04 | 2020-08-07 | 佛山市奥达金属制品有限公司 | Invisible hydraulic door hinge |
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|---|---|---|---|---|
| JPH0376981A (en) * | 1988-10-17 | 1991-04-02 | Nippon Electric Ind Co Ltd | Door closure having temperature correction function |
| US5383253A (en) * | 1992-05-07 | 1995-01-24 | Lin; Yeon-Yu | Hydraulic buffer hinge |
| TW346146U (en) * | 1997-12-18 | 1998-11-21 | kun-yi Zheng | Restoring buffer apparatus for door hinge |
| CN2675820Y (en) * | 2004-02-17 | 2005-02-02 | 唐逸明 | Vertical hydraulic control swinging door hinge |
| KR100740809B1 (en) * | 2006-05-11 | 2007-07-19 | 장종복 | Free hinge for opening and closing a door |
| KR100754295B1 (en) * | 2006-12-20 | 2007-09-03 | 주식회사 해정 | A oil pressure hinge for door |
| WO2009081893A1 (en) * | 2007-12-26 | 2009-07-02 | Sugatsune Kogyo Co., Ltd. | Rotary damper |
| JP4651684B2 (en) * | 2008-02-05 | 2011-03-16 | 株式会社サワ | Automatic door hinge for double opening and double door structure |
| TWI470145B (en) * | 2012-10-23 | 2015-01-21 | Univ Southern Taiwan Sci & Tec | Hinges with cushioning and positioning functions |
| CN104895436B (en) * | 2015-06-08 | 2017-04-12 | 潘约章 | Multifunctional hydraulic buffer hinge |
| CN205297127U (en) * | 2015-10-16 | 2016-06-08 | 韦希 | Hydraulic buffer hinge |
| CN108431355B (en) * | 2015-12-10 | 2020-01-14 | 张钟福 | Hinge for opening/closing door |
| KR101718720B1 (en) * | 2016-01-08 | 2017-03-22 | 주식회사 케이오비에이 | A hinge damper and a hinge apparatus using viscoelastic fluid |
| JP6342948B2 (en) * | 2016-05-17 | 2018-06-13 | 笠源科技股▲分▼有限公司 | Torque hinge |
| CN205823007U (en) * | 2016-07-12 | 2016-12-21 | 黎俊文 | A kind of hydraulic structure of hinge |
| CN106837042B (en) * | 2017-02-28 | 2018-08-14 | 吴岩林 | A kind of hydraulic buffering hinge |
| CN207160819U (en) * | 2017-08-15 | 2018-03-30 | 邓少坚 | bidirectional hydraulic buffer hinge |
| TWM552531U (en) * | 2017-08-23 | 2017-12-01 | Shu Wei Lin | Hydraulically damped hinge structure |
| CN107514199A (en) * | 2017-09-12 | 2017-12-26 | 浙江木子机电有限公司 | A kind of multifunctional and composite type cam structure automatic door-closing hinge |
| TWM554934U (en) * | 2017-09-20 | 2018-02-01 | Lin Shu Wei | Hydraulic damping device and hinge structure using the same |
| CN108590399B (en) * | 2018-05-05 | 2020-05-12 | 欧佳昌 | Two-way opening and closing hydraulic buffering hinge |
| CN208534273U (en) * | 2018-05-05 | 2019-02-22 | 欧佳昌 | A kind of two-way folding hydraulic buffering hinge |
-
2018
- 2018-05-05 CN CN201810422943.1A patent/CN108590399B/en active Active
-
2019
- 2019-04-25 WO PCT/IB2019/053405 patent/WO2019215531A1/en active Application Filing
- 2019-05-02 TW TW108115222A patent/TWI694205B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TW201947106A (en) | 2019-12-16 |
| CN108590399A (en) | 2018-09-28 |
| TWI694205B (en) | 2020-05-21 |
| WO2019215531A1 (en) | 2019-11-14 |
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Effective date of registration: 20210825 Address after: 526105 No. 379, Jinli Avenue, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province (one of Ou Zhenguang's plants) Patentee after: Guangdong Zhijia Hardware Products Co.,Ltd. Address before: 526105 No. 82, team 2, group 3, Zhenxing village committee, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province Patentee before: Ou Jiachang |
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