CN110670988A - Hinge structure - Google Patents
Hinge structure Download PDFInfo
- Publication number
- CN110670988A CN110670988A CN201910889838.3A CN201910889838A CN110670988A CN 110670988 A CN110670988 A CN 110670988A CN 201910889838 A CN201910889838 A CN 201910889838A CN 110670988 A CN110670988 A CN 110670988A
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- China
- Prior art keywords
- hole
- sleeve
- plug
- shaft sleeve
- pressure chamber
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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
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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
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/10—Pins, sockets or sleeves; Removable pins
- E05D5/12—Securing pins in sockets, movably or not
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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
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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
- 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
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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
- 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
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a hinge structure.A first blade drives a transmission rod to rotate, the transmission rod drives a threaded sleeve with a damping positioning rod to move close to an air pressure chamber of a plug, when the damping positioning rod does not slide through a third through hole, the atmosphere in the air pressure chamber is discharged through the third through hole, a second through hole and a first through hole, and is discharged through a gap between an adjusting seat and a communicating hole, and at the moment, the atmosphere in the air pressure chamber generates smaller pressure on the damping positioning rod and generates slight positioning force; when the damping positioning rod slides through the third through hole, the damping positioning rod blocks the third through hole, atmospheric air in the air pressure chamber can only be discharged through a gap between the adjusting seat and the through hole, at the moment, the damping positioning rod is close to the air pressure chamber to displace and compress the atmospheric air in the air pressure chamber, and the compressed atmospheric air generates pressure on the damping positioning rod, so that the first blade has a positioning function. The invention has the function of positioning the blade, and the positioning force of the blade can be adjusted.
Description
Technical Field
The present invention relates to a hinge structure.
Background
The hinge is widely applied to doors and windows, vehicle doors, refrigerator doors, oven experimental equipment doors, experimental box doors, simulated environment experimental equipment doors, mechanical equipment doors, drying equipment doors, sound insulation doors, special doors, fresh-keeping storehouse doors, tea storehouse doors, civil engineering storehouse doors and the like. In the prior art, the hinges have different structures, and all the functions realized by the hinges are basic functions of relative rotation.
The application number 201310693690.9 discloses a lifting hinge device, which comprises an upper hinge, a lower hinge, a transmission rod and a transmission seat, wherein the upper hinge comprises an upper shaft sleeve and an upper hinge sheet fixedly connected with the upper shaft sleeve; the lower hinge comprises a lower shaft sleeve and a lower hinge sheet fixedly connected with the lower shaft sleeve; further comprising: the transmission seat is fixedly connected with the upper shaft sleeve, the bottom end surface of the transmission seat is concavely provided with a transmission cavity, and the inner revolution surface of the transmission cavity is provided with a first spiral part; the transmission rod is fixedly connected with the lower shaft sleeve, a second spiral part is arranged on the outer revolution surface of the transmission rod, the transmission rod is connected in the transmission cavity, and the first spiral part is engaged with the second spiral part in a matching way, wherein: the upper hinge is pushed to rotate relative to the lower hinge, and the upper hinge can ascend through the matching of the first spiral part and the second spiral part; the upper hinge is driven to descend under the action of gravity by releasing and pushing, and the upper hinge can automatically reset through the matching of the first spiral part and the second spiral part; the first helical portion and the second helical portion are both at least double helical structures, and the at least double helical structures comprise at least two parallel helical lines.
The lifting hinge device has no positioning function, cannot adjust the positioning strength, and is limited in applicability, and the hinge has the positioning function and the positioning strength can be adjusted in many application scenes.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide a hinge structure, which has a vane positioning function, and the vane positioning strength can be adjusted.
The second purpose of the present invention is to provide a hinge structure, which has a vane positioning function, and the vane can be restored in a buffering manner, and at the same time, the positioning force of the vane can be adjusted.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a hinge structure, including a first blade, where the first blade is provided with a first shaft sleeve;
the second blade is provided with a second shaft sleeve, and a first through hole is formed in the second shaft sleeve;
the connecting sleeve is sleeved in the first shaft sleeve and the second shaft sleeve, and a second through hole communicated with the first through hole is formed in the connecting sleeve;
the plug is sleeved in the connecting sleeve, an air pressure chamber is formed in the plug, a third through hole communicated with the second through hole is formed in the side wall of the air pressure chamber, and a communicating hole communicated with the air pressure chamber is formed in the plug;
the adjusting seat is arranged in the communicating hole and is in clearance fit with the side wall of the communicating hole, and an exhaust hole is formed in the adjusting seat and is communicated with the communicating hole and the atmosphere;
the first bearing is sleeved in the connecting sleeve;
the transmission rod is rotatably sleeved in the first bearing, the upper part of the transmission rod is fixedly connected with the first shaft sleeve, and the lower part of the transmission rod is provided with a screw rod part;
the upper part of the screw sleeve is provided with a screw thread hole connected with the screw rod part;
the damping positioning rod is connected with the lower part of the threaded sleeve, the damping positioning rod is axially sleeved in the air pressure chamber of the connecting sleeve and the plug in a sliding manner, and the damping positioning rod is in sealing fit with the side walls of the connecting sleeve and the air pressure chamber.
According to the hinge structure provided by the embodiment of the invention, when the first blade drives the transmission rod to rotate, the transmission rod drives the threaded sleeve and the damping positioning rod to move close to the air pressure chamber of the plug, when the damping positioning rod does not slide through the third through hole, the atmosphere in the air pressure chamber is discharged through the third through hole, the second through hole and the first through hole, and is discharged through the gap between the adjusting seat and the communicating hole, at the moment, the atmosphere in the air pressure chamber generates smaller pressure on the damping positioning rod, and slight positioning force is generated; when the damping positioning rod slides through the third through hole, the damping positioning rod blocks the third through hole, atmospheric air in the air pressure chamber can only be discharged through a gap between the adjusting seat and the through hole, at the moment, the damping positioning rod is close to the air pressure chamber to displace and compress the atmospheric air in the air pressure chamber, and the compressed atmospheric air generates pressure on the damping positioning rod, so that the first blade has a positioning function.
In addition, the hinge structure proposed by the above embodiment of the present invention may further have the following additional technical features:
further, a necking part is formed at the upper part of the communicating hole of the plug, a necking part is correspondingly formed at the upper part of the adjusting seat, a third sealing ring in sealing fit with the necking part is sleeved on the necking part, and the area of the cross section of the necking part, which is arranged above the third sealing ring, is gradually reduced from bottom to top; the adjusting seat can be axially movably arranged in the plug, and the adjusting seat is moved to adjust the size of a gap between the necking part and the necking part.
According to the hinge structure provided by the embodiment of the invention, the adjusting seat can be axially movably arranged in the plug, and the adjusting seat is moved to adjust the size of the gap between the necking part and the necking part, so that the displacement of compressed air in the air pressure chamber is adjusted, and the positioning force of the first blade is adjusted.
Further, the part of the necking part above the third sealing ring is a cone frustum.
Furthermore, an internal thread is formed on the inner side wall of the communicating hole of the plug, an external thread is formed on the outer side wall of the adjusting seat, and the adjusting seat is in threaded connection with the communicating hole of the plug.
Furthermore, a connecting screw is formed at the upper part of the damping positioning rod, a connecting screw hole is correspondingly formed in the threaded sleeve, and the connecting screw of the damping positioning rod is in threaded connection with the connecting screw hole of the threaded sleeve.
Further, a first annular mounting groove is formed in the screw sleeve, and a first sealing ring is mounted in the first annular mounting groove; and a second annular mounting groove is formed in the damping positioning rod, and a second sealing ring is mounted in the second annular mounting groove.
Furthermore, a first axial through hole and a second axial through hole which are opposite to each other are formed in the side wall of the air pressure chamber of the plug, a sliding rod is radially arranged on the damping positioning rod, and two ends of the sliding rod are respectively limited in the first axial through hole and the second axial through hole.
Furthermore, an annular clamping groove is formed in the outer side wall of the plug, a first flange is formed on the inner side wall of the connecting sleeve, and the first flange of the connecting sleeve is embedded into the annular clamping groove of the plug.
Furthermore, the upper part of the transmission rod penetrates through an inner ring through hole of the first bearing and is inserted into an insertion hole of the rotating ring, an external tangent flat edge is arranged on the upper part of the transmission rod, an internal tangent flat edge corresponding to the external tangent flat edge is arranged in the insertion hole of the rotating ring, the rotating ring is fixed in the first shaft sleeve, and a fixedly connected screw rod sequentially penetrates through the first shaft sleeve and the rotating ring in a threaded manner and locks the transmission rod.
Further, a first annular groove and a second annular groove are formed on the outer side wall of the first bearing, a second flange and a third flange are correspondingly formed on the inner side wall of the connecting sleeve, the second flange of the connecting sleeve is embedded into the first annular groove of the first bearing, and the third flange of the connecting sleeve is embedded into the second annular groove of the first bearing.
Further, the first shaft sleeve comprises an upper shaft sleeve and a lower shaft sleeve, a second bearing is arranged between the upper shaft sleeve and the upper end of the second shaft sleeve, the second bearing can be rotatably sleeved on the connecting sleeve, a third bearing is arranged between the lower shaft sleeve and the lower end of the second shaft sleeve, and the third bearing can be rotatably sleeved on the plug.
In order to achieve the above object, a second aspect of the present invention provides a hinge structure, including a first blade, the first blade being provided with a first bushing;
the second blade is provided with a second shaft sleeve, and a first through hole is formed in the second shaft sleeve;
the connecting sleeve is sleeved in the first shaft sleeve and the second shaft sleeve, and a second through hole communicated with the first through hole is formed in the connecting sleeve;
the plug is sleeved in the connecting sleeve, an air pressure chamber is formed in the plug, a third through hole communicated with the second through hole is formed in the side wall of the air pressure chamber, and a communicating hole communicated with the air pressure chamber is formed in the plug;
the adjusting seat is arranged in the communicating hole and is in clearance fit with the side wall of the communicating hole, and an exhaust hole is formed in the adjusting seat and is communicated with the communicating hole and the atmosphere;
the first bearing is sleeved in the connecting sleeve;
the transmission rod is rotatably sleeved in the first bearing, the upper part of the transmission rod is fixedly connected with the first shaft sleeve, and the lower part of the transmission rod is provided with a screw rod part;
the upper part of the screw sleeve is provided with a screw thread hole connected with the screw rod part;
the damping positioning rod is connected with the lower part of the threaded sleeve, the damping positioning rod is axially sleeved in the air pressure chamber of the connecting sleeve and the plug in a sliding manner, and the damping positioning rod is in sealing fit with the side walls of the connecting sleeve and the air pressure chamber;
the spring is sleeved on the damping positioning rod, one end of the spring abuts against the screw sleeve, and the other end of the spring abuts against the plug.
According to the hinge structure provided by the embodiment of the invention, when the first blade drives the transmission rod to rotate, the transmission rod drives the threaded sleeve and the damping positioning rod to move close to the air pressure chamber of the plug, when the damping positioning rod does not slide through the third through hole, the atmosphere in the air pressure chamber is discharged through the third through hole, the second through hole and the first through hole, and is discharged through the gap between the adjusting seat and the communicating hole, at the moment, the atmosphere in the air pressure chamber generates smaller pressure on the damping positioning rod, and slight positioning force is generated; when the damping positioning rod slides through the third through hole, the damping positioning rod blocks the third through hole, atmospheric air in the air pressure chamber can only be discharged through a gap between the adjusting seat and the through hole, at the moment, the damping positioning rod is close to the air pressure chamber to displace and compress the atmospheric air in the air pressure chamber, and the compressed atmospheric air generates pressure on the damping positioning rod, so that the first blade has a positioning function; meanwhile, the threaded sleeve drives the spring to compress and store energy, the spring stores energy and drives the threaded sleeve to move reversely, and the damping positioning rod and the side wall of the air pressure chamber have a friction damping function, so that the first blade realizes buffering reset self-closing.
In addition, the hinge structure proposed by the above embodiment of the present invention may further have the following additional technical features:
further, a necking part is formed at the upper part of the communicating hole of the plug, a necking part is correspondingly formed at the upper part of the adjusting seat, a third sealing ring in sealing fit with the necking part is sleeved on the necking part, and the area of the cross section of the necking part, which is arranged above the third sealing ring, is gradually reduced from bottom to top; the adjusting seat can be axially movably arranged in the plug, and the adjusting seat is moved to adjust the size of a gap between the necking part and the necking part.
According to the hinge structure provided by the embodiment of the invention, the adjusting seat can be axially movably arranged in the plug, and the adjusting seat is moved to adjust the size of the gap between the necking part and the necking part, so that the displacement of compressed air in the air pressure chamber is adjusted, and the positioning force of the first blade is adjusted.
Further, the part of the necking part above the third sealing ring is a cone frustum.
Furthermore, an internal thread is formed on the inner side wall of the communicating hole of the plug, an external thread is formed on the outer side wall of the adjusting seat, and the adjusting seat is in threaded connection with the communicating hole of the plug.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a first blade mated with a second blade in accordance with an embodiment of the present invention;
FIG. 3a is a schematic diagram of an external structure of a coupling sleeve according to an embodiment of the present invention;
FIG. 3b is a schematic diagram of the internal structure of a coupling sleeve according to an embodiment of the present invention;
FIG. 4a is a schematic diagram of an external structure of a plug according to an embodiment of the present invention;
FIG. 4b is a schematic diagram of the internal structure of a plug according to an embodiment of the present invention;
FIG. 5a is a schematic view of an external structure of an adjusting base according to an embodiment of the present invention;
FIG. 5b is a schematic view of an internal structure of an adjusting base according to an embodiment of the present invention;
FIG. 6a is a schematic structural diagram of a damping positioning rod according to an embodiment of the present invention;
FIG. 6b is a schematic structural diagram of a slide bar disposed on a damping positioning rod according to an embodiment of the present invention;
fig. 7a is a schematic structural view of a screw insert according to an embodiment of the present invention;
FIG. 7b is a schematic view of another angle of a threaded insert according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a transmission rod according to an embodiment of the present invention;
FIG. 9 is a schematic view of a first bearing according to an embodiment of the present invention;
FIG. 10 is a schematic view of a swivel ring according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 12 is a schematic structural diagram according to a third embodiment of the present invention;
FIG. 13 is a schematic view of the mating of a third first blade with a second blade according to an embodiment of the invention;
FIG. 14 is a schematic structural diagram according to a fourth embodiment of the present invention;
FIG. 15 is a schematic view of the mating of a fourth first blade with a second blade in accordance with an embodiment of the invention;
FIG. 16 is a schematic structural diagram according to a fifth embodiment of the present invention;
FIG. 17a is a schematic structural view of a fifth first vane according to an embodiment of the present invention;
fig. 17b is a schematic structural view of a fifth second blade according to an embodiment of the present invention.
Description of the reference symbols
Inner flat edge 102 knurl 103
First through hole 211 connecting sleeve 03
Second through hole 31 first flange 32
Third through hole 43 of pneumatic chamber 42
A constricted portion 441 of the communication hole 44
First axial through hole 45 and second axial through hole 46
First annular groove 61 and second annular groove 62
Inner ring through hole 63 drive rod 07
First annular mounting groove 83 of connection screw 82
Damping positioning rod 09 connecting screw 91
A second annular mounting groove 92.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Example one
As shown in fig. 1 to 10, a hinge structure according to a first embodiment of the present invention includes a first blade 01, a second blade 02, a connecting sleeve 03, a plug 04, an adjusting seat 05, a first bearing 06, a transmission rod 07, a threaded sleeve 08, and a damping positioning rod 09. The first blade 01 is provided with a first bushing 11. The second blade 02 is provided with a second shaft sleeve 21, a first through hole 211 is formed on the second shaft sleeve 21, and the second shaft sleeve 21 and the first shaft sleeve 11 are coaxially arranged in an up-and-down alignment manner. In some examples, a notch 12 is provided on the first blade 01, the shape of the notch 12 is adapted to the second blade 02, and the first blade 01 and the second blade 02 are generally called a snap type.
As shown in fig. 1, 3a and 3b, the connecting sleeve 03 is sleeved in the first sleeve 11 and the second sleeve 12, and a second through hole 31 communicating with the first through hole 211 is formed in the connecting sleeve 03.
As shown in fig. 1, 4a and 4b, the plug 04 is sleeved in the connecting sleeve 03. In some examples, an annular clamping groove 41 is formed on the outer side wall of the plug 04, a first flange 32 is formed on the inner side wall of the connecting sleeve 03, and the first flange 32 of the connecting sleeve 03 is embedded into the annular clamping groove 41 of the plug 04, so that the plug 04 and the connecting sleeve are sleeved. An air pressure chamber 42 is formed in the plug 04, a third through hole 43 communicating with the second through hole 31 is formed in the side wall of the air pressure chamber 42, and a communication hole 44 communicating with the air pressure chamber 42 is further formed in the plug 04.
As shown in fig. 1, 5a and 5b, the adjusting seat 05 is installed in the communicating hole 44, the adjusting seat 05 is in clearance fit with the sidewall of the communicating hole 44, a vent hole 51 is formed in the adjusting seat 05, the vent hole 51 communicates the communicating hole 44 with the atmosphere, and the air in the air pressure chamber 42 can be exhausted to the outside atmosphere through the vent hole 51 after passing through the clearance.
As shown in fig. 1 and 9, the first bearing 06 is sleeved in the connecting sleeve 03. In some examples, a first annular groove 61 and a second annular groove 62 are formed on the outer side wall of the first bearing 06, a second flange 33 and a third flange 34 are correspondingly formed on the inner side wall of the connecting sleeve 03, the second flange 33 of the connecting sleeve 03 is embedded in the first annular groove 61 of the first bearing 06, and the third flange 34 of the connecting sleeve 03 is embedded in the second annular groove 62 of the first bearing 06.
As shown in fig. 1, 8 and 10, the driving rod 07 is rotatably sleeved in the first bearing 06, the upper part of the driving rod 07 is fixedly connected with the first shaft sleeve 11, and the lower part of the driving rod 07 is provided with a screw part 71. In some examples, the upper part of the transmission rod 07 passes through the inner ring through hole 63 of the first bearing 06 and is inserted into the insertion hole 101 of the rotary ring 10, the upper part of the transmission rod 07 is provided with an outer tangent flat edge 72, the insertion hole 101 of the rotary ring 10 is provided with an inner tangent flat edge 102 corresponding to the outer tangent flat edge 72, the rotary ring 10 is fixed in the first shaft sleeve 11, the outer side wall of the rotary ring 10 is provided with a knurl 103, and the fastening screw 20 is sequentially screwed through the first shaft sleeve 11 and the rotary ring 10 and locks the transmission rod 07.
As shown in fig. 1, 7a and 7b, a thread hole 81 connected to the screw portion 71 of the transmission lever 07 is provided in the upper portion of the screw housing 08.
As shown in fig. 1, 6a and 6b, the damping positioning rod 09 is connected to the lower portion of the screw sleeve 08. In some examples, the upper portion of the damping positioning rod 09 is formed with a connecting screw 91, the screw sleeve 08 is correspondingly formed with a connecting screw hole 82, and the connecting screw 91 of the damping positioning rod 09 is in threaded connection with the connecting screw hole 82 of the screw sleeve 08. Of course, the threaded sleeve 08 may be integrally and fixedly connected with the damping positioning rod 09. The damping positioning rod 09 is axially slidably sleeved in the air pressure chamber 42 of the connecting sleeve 03 and the plug 04. In some examples, a first axial through hole 45 and a second axial through hole 46 are formed in the side wall of the pneumatic chamber 42 of the plug 04 and are opposite to each other, the sliding rod 30 is radially disposed on the damping positioning rod 09, two ends of the sliding rod 30 are respectively limited in the first axial through hole 45 and the second axial through hole 46, and the axial sliding distance of the damping positioning rod 09 in the connecting sleeve 03 and the pneumatic chamber 42 of the plug 04 can be limited. The damping positioning rod 09 is in sealing fit with the side walls of the connecting sleeve 03 and the air pressure chamber 42 of the plug 04. In some examples, the thread insert 08 has a first annular mounting groove 83 formed thereon, and the first annular mounting groove 83 may be provided in plurality, and the first annular mounting groove 83 is used for mounting the first sealing ring 40 therein. The damping positioning rod 09 is provided with a plurality of second annular mounting grooves 92, and the second sealing ring 50 is mounted in the second annular mounting grooves 92.
When the first blade 01 is driven to rotate by rotating the door to open, when the first blade 01 drives the transmission rod 07 to rotate, the transmission rod 07 drives the threaded sleeve 08 together with the damping positioning rod 09 to move close to the air pressure chamber 42 of the plug 04, when the damping positioning rod 09 does not slide through the third through hole 43, the atmosphere in the air pressure chamber 42 is discharged through the third through hole 43, the second through hole 31 and the first through hole 211 and is discharged through a gap between the adjusting seat 05 and the communicating hole 44, and at the moment, the atmosphere in the air pressure chamber 42 generates a small pressure on the damping positioning rod 09 to generate a slight positioning force; when the damping positioning rod 09 slides through the third through hole 43, the damping positioning rod 09 blocks the third through hole 43, and the atmosphere in the air pressure chamber 42 can only be discharged through the gap between the adjusting seat 05 and the communicating hole 44, at this time, the damping positioning rod 09 approaches the air pressure chamber 42 to displace the atmosphere in the compressed air pressure chamber 42, and the compressed atmosphere generates pressure on the damping positioning rod 09, so that the first blade 01 has a positioning function.
As shown in fig. 1, 4b, 5a and 5b, a necking part 441 is formed at the upper part of the communication hole 44 of the plug 04, a necking part 52 is correspondingly formed at the upper part of the adjusting seat 05, a third sealing ring 53 which is in sealing fit with the necking part 441 is sleeved on the necking part 52, and the area of the cross section of the necking part 52 from the bottom to the top is gradually reduced at the part above the third sealing ring 53. In some examples, the neck portion 52 is provided with the third sealing ring 53, and the upper portion is provided with a truncated cone. The adjusting seat 05 can be axially movably installed in the plug 04, and the adjusting seat 05 is moved to adjust the size of the gap between the necking part 52 and the necking part 441. In some examples, an internal thread 442 is formed on the inner side wall of the communication hole 44 of the plug 04, an external thread 54 is formed on the outer side wall of the adjusting seat 05, the adjusting seat 05 is in threaded connection with the communication hole 44 of the plug 04, and the adjusting seat 05 can be rotated to drive the adjusting seat 05 to axially displace, so that different positions of the necking portion 52 of the adjusting seat 05 are in clearance fit with the necking portion 441 of the communication hole 44, and therefore the size of the clearance can be adjusted, even the third sealing ring 53 blocks the communication hole 44, and the size of the positioning force can be adjusted.
The adjusting seat 05 is rotated to drive the adjusting seat to move axially, so that different positions of the necking part 52 of the adjusting seat 05 are in clearance fit with the necking part 441 of the communicating hole 44, the adjusting seat 05 is moved to adjust the size of the clearance between the necking part 52 and the necking part 441, the air displacement of compressed air in the air pressure chamber 42 is adjusted, and the positioning force of the first blade 01 is adjusted.
As shown in fig. 1 and 2, in some examples, the first bushing 11 includes an upper bushing 111 and a lower bushing 112. Set up second bearing 60 between upper portion axle sleeve 111 and the second axle sleeve 21 upper end, second bearing 60 can rotate to cup joint on adapter sleeve 03, sets up third bearing 70 between lower part axle sleeve 112 and the second axle sleeve 21 lower extreme, and third bearing 70 can rotate to cup joint on end cap 04 for first blade 01 rotates comparatively smoothly for second blade 02.
Example two
As shown in fig. 11, a hinge structure according to a second embodiment of the present invention includes a first blade 01, a second blade 02, a connecting sleeve 03, a plug 04, an adjusting seat 05, a first bearing 06, a transmission rod 07, a threaded sleeve 08, a damping positioning rod 09, and a spring 70. The first blade 01 is provided with a first bushing 11. The second blade 02 is provided with a second shaft sleeve 21, a first through hole 211 is formed on the second shaft sleeve 21, and the second shaft sleeve 21 and the first shaft sleeve 11 are coaxially arranged in an up-and-down alignment manner. In some examples, the first blade 01 is provided with a notch 12, and the shape of the notch 12 is matched with that of the second blade 02.
The connecting sleeve 03 is sleeved in the first shaft sleeve 11 and the second shaft sleeve 12, and a second through hole 31 communicated with the first through hole 211 is formed in the connecting sleeve 03.
The plug 04 is sleeved in the connecting sleeve 03. In some examples, an annular clamping groove 41 is formed on the outer side wall of the plug 04, a first flange 32 is formed on the inner side wall of the connecting sleeve 03, and the first flange 32 of the connecting sleeve 03 is embedded into the annular clamping groove 41 of the plug 04, so that the plug 04 and the connecting sleeve are sleeved. An air pressure chamber 42 is formed in the plug 04, a third through hole 43 communicating with the second through hole 31 is formed in the side wall of the air pressure chamber 42, and a communication hole 44 communicating with the air pressure chamber 42 is further formed in the plug 04.
The adjusting seat 05 is installed in the communicating hole 44, the adjusting seat 05 is in clearance fit with the side wall of the communicating hole 44, the adjusting seat 05 is provided with a vent hole 51, the vent hole 51 is communicated with the communicating hole 44 and the atmosphere, and the air in the air pressure chamber 42 can be exhausted out of the external atmosphere through the vent hole 51 after passing through the clearance.
The first bearing 06 is sleeved in the connecting sleeve 03. In some examples, a first annular groove 61 and a second annular groove 62 are formed on the outer side wall of the first bearing 06, a second flange 33 and a third flange 34 are correspondingly formed on the inner side wall of the connecting sleeve 03, the second flange 33 of the connecting sleeve 03 is embedded in the first annular groove 61 of the first bearing 06, and the third flange 34 of the connecting sleeve 03 is embedded in the second annular groove 62 of the first bearing 06.
The transmission rod 07 is rotatably sleeved in the first bearing 06, the upper part of the transmission rod 07 is fixedly connected with the first shaft sleeve 11, and the lower part of the transmission rod 07 is provided with a screw part 71. In some examples, the upper part of the transmission rod 07 passes through the inner ring through hole 63 of the first bearing 06 and is inserted into the insertion hole 101 of the rotary ring 10, the upper part of the transmission rod 07 is provided with an outer tangent flat edge 72, the insertion hole 101 of the rotary ring 10 is provided with an inner tangent flat edge 102 corresponding to the outer tangent flat edge 72, the rotary ring 10 is fixed in the first shaft sleeve 11, the outer side wall of the rotary ring 10 is provided with a knurl 103, and the fastening screw 20 is sequentially screwed through the first shaft sleeve 11 and the rotary ring 10 and locks the transmission rod 07.
The upper part of the screw sleeve 08 is provided with a screw thread hole 81 connected with the screw rod part 71 of the transmission rod 07.
The damping positioning rod 09 is connected with the lower part of the threaded sleeve 08. In some examples, the upper portion of the damping positioning rod 09 is formed with a connecting screw 91, the screw sleeve 08 is correspondingly formed with a connecting screw hole 82, and the connecting screw 91 of the damping positioning rod 09 is in threaded connection with the connecting screw hole 82 of the screw sleeve 08. Of course, the threaded sleeve 08 may be integrally and fixedly connected with the damping positioning rod 09. The damping positioning rod 09 is axially slidably sleeved in the air pressure chamber 42 of the connecting sleeve 03 and the plug 04. In some examples, a first axial through hole 45 and a second axial through hole 46 are formed in the side wall of the pneumatic chamber 42 of the plug 04 and are opposite to each other, the sliding rod 30 is radially disposed on the damping positioning rod 09, two ends of the sliding rod 30 are respectively limited in the first axial through hole 45 and the second axial through hole 46, and the axial sliding distance of the damping positioning rod 09 in the connecting sleeve 03 and the pneumatic chamber 42 of the plug 04 can be limited. The damping positioning rod 09 is in sealing fit with the side walls of the connecting sleeve 03 and the air pressure chamber 42 of the plug 04. In some examples, the thread insert 08 has a first annular mounting groove 83 formed thereon, and the first annular mounting groove 83 may be provided in plurality, and the first annular mounting groove 83 is used for mounting the first sealing ring 40 therein. The damping positioning rod 09 is provided with a plurality of second annular mounting grooves 92, and the second sealing ring 50 is mounted in the second annular mounting grooves 92.
The spring 80 is sleeved on the damping positioning rod 09, one end of the spring 80 abuts against the threaded sleeve 08, and the other end of the spring 80 abuts against the plug 04.
When the first blade 01 is driven to rotate by rotating the door to open, when the first blade 01 drives the transmission rod 07 to rotate, the transmission rod 07 drives the threaded sleeve 08 together with the damping positioning rod 09 to move close to the air pressure chamber 42 of the plug 04, when the damping positioning rod 09 does not slide through the third through hole 43, the atmosphere in the air pressure chamber 42 is discharged through the third through hole 43, the second through hole 31 and the first through hole 211 and is discharged through a gap between the adjusting seat 05 and the communicating hole 44, and at the moment, the atmosphere in the air pressure chamber 42 generates a small pressure on the damping positioning rod 09 to generate a slight positioning force; when the damping positioning rod 09 slides through the third through hole 43, the damping positioning rod 09 blocks the third through hole 43, and the atmosphere in the air pressure chamber 42 can only be discharged through the gap between the adjusting seat 05 and the communicating hole 44, at this time, the damping positioning rod 09 approaches the air pressure chamber 42 to displace the atmosphere in the compressed air pressure chamber 42, and the compressed atmosphere generates pressure on the damping positioning rod 09, so that the first blade 01 has a positioning function. Meanwhile, the threaded sleeve 08 drives the spring 80 to compress and store energy, the spring 80 stores energy and drives the threaded sleeve 08 to move reversely, and the damping positioning rod 09 and the side wall of the air pressure chamber 42 have a friction damping function, so that the first blade 01 realizes buffering, resetting and self-closing.
The upper part of the communicating hole 44 of the plug 04 is provided with a necking part 441, the upper part of the adjusting seat 05 is correspondingly provided with a necking part 52, the necking part 52 is sleeved with a third sealing ring 53 which is in sealing fit with the necking part 441, and the area of the cross section of the necking part 52 is gradually reduced from bottom to top at the part above the third sealing ring 53. In some examples, the neck portion 52 is provided with the third sealing ring 53, and the upper portion is provided with a truncated cone. The adjusting seat 05 can be axially movably installed in the plug 04, and the adjusting seat 05 is moved to adjust the size of the gap between the necking part 52 and the necking part 441. In some examples, an internal thread 442 is formed on the inner side wall of the communication hole 44 of the plug 04, an external thread 54 is formed on the outer side wall of the adjusting seat 05, the adjusting seat 05 is in threaded connection with the communication hole 44 of the plug 04, and the adjusting seat 05 can be rotated to drive the adjusting seat 05 to axially displace, so that different positions of the necking portion 52 of the adjusting seat 05 are in clearance fit with the necking portion 441 of the communication hole 44, and therefore the size of the clearance can be adjusted, even the third sealing ring 53 blocks the communication hole 44, and the size of the positioning force can be adjusted.
The adjusting seat 05 is rotated to drive the adjusting seat to move axially, so that different positions of the necking part 52 of the adjusting seat 05 are in clearance fit with the necking part 441 of the communicating hole 44, the adjusting seat 05 is moved to adjust the size of the clearance between the necking part 52 and the necking part 441, the air displacement of compressed air in the air pressure chamber 42 is adjusted, and the positioning force of the first blade 01 is adjusted.
In some examples, the first bushing 11 includes an upper bushing 111 and a lower bushing 112. Set up second bearing 60 between upper portion axle sleeve 111 and the second axle sleeve 21 upper end, second bearing 60 can rotate to cup joint on adapter sleeve 03, sets up third bearing 70 between lower part axle sleeve 112 and the second axle sleeve 21 lower extreme, and third bearing 70 can rotate to cup joint on end cap 04 for first blade 01 rotates comparatively smoothly for second blade 02.
EXAMPLE III
As shown in fig. 12 and 13, a hinge structure according to a third embodiment of the present invention is different from the first embodiment in that: the first shaft sleeve 11 and the second shaft sleeve 21 are coaxially arranged in an up-and-down alignment mode, the first shaft sleeve 11 is an integral part, the first blade 01 and the second blade 02 are in the same sheet shape, and the first blade 01 and the second blade 02 are in a structure which is generally called an H shape. A bearing is arranged between the lower end face of the first shaft sleeve 11 and the upper end face of the second shaft sleeve 21.
Example four
As shown in fig. 14 and 15, a hinge structure according to a fourth embodiment of the present invention is different from the second embodiment in that: the first blade 01 is an integral part, the first shaft sleeve 11 comprises an upper shaft sleeve 111 and a lower shaft sleeve 112, the upper shaft sleeve 111 and the lower shaft sleeve 112 are respectively connected with the first blade 01 through connecting plates, the connecting plates and the first blade 01 are distributed in an angle, and the second shaft sleeve 21 is formed on the side surface of the second blade 02. The first blade 01 and second blade 02 structure is commonly referred to as a butterfly.
EXAMPLE five
As shown in fig. 16, 17a and 17b, a hinge structure according to a fifth embodiment of the present invention is different from the second embodiment in that: the first shaft sleeve 11 is an integral part, the first shaft sleeve 11 is axially arranged on one side of the first blade 01, the first blade 01 is an integral part and is long, and the second shaft sleeve 21 is formed on the side surface of the second blade 02. The first blade 01 and second blade 02 configuration is commonly referred to as a flag.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A hinge structure characterized by: the blade comprises a first blade, wherein the first blade is provided with a first shaft sleeve;
the second blade is provided with a second shaft sleeve, and a first through hole is formed in the second shaft sleeve;
the connecting sleeve is sleeved in the first shaft sleeve and the second shaft sleeve, and a second through hole communicated with the first through hole is formed in the connecting sleeve;
the plug is sleeved in the connecting sleeve, an air pressure chamber is formed in the plug, a third through hole communicated with the second through hole is formed in the side wall of the air pressure chamber, and a communicating hole communicated with the air pressure chamber is formed in the plug;
the adjusting seat is arranged in the communicating hole and is in clearance fit with the side wall of the communicating hole, and an exhaust hole is formed in the adjusting seat and is communicated with the communicating hole and the atmosphere;
the first bearing is sleeved in the connecting sleeve;
the transmission rod is rotatably sleeved in the first bearing, the upper part of the transmission rod is fixedly connected with the first shaft sleeve, and the lower part of the transmission rod is provided with a screw rod part;
the upper part of the screw sleeve is provided with a screw thread hole connected with the screw rod part;
the damping positioning rod is connected with the lower part of the threaded sleeve, the damping positioning rod is axially sleeved in the air pressure chamber of the connecting sleeve and the plug in a sliding manner, and the damping positioning rod is in sealing fit with the side walls of the connecting sleeve and the air pressure chamber.
2. A hinge construction according to claim 1, wherein: a necking part is formed at the upper part of the communicating hole of the plug, a necking part is correspondingly formed at the upper part of the adjusting seat, a third sealing ring which is in sealing fit with the necking part is sleeved on the necking part, and the area of the cross section of the necking part, which is arranged above the third sealing ring, is gradually reduced from bottom to top; the adjusting seat can be axially movably arranged in the plug, and the adjusting seat is moved to adjust the size of a gap between the necking part and the necking part.
3. A hinge construction according to claim 2, wherein: the part of the necking part above the third sealing ring is a truncated cone; and an internal thread is formed on the inner side wall of the communicating hole of the plug, an external thread is formed on the outer side wall of the adjusting seat, and the adjusting seat is in threaded connection with the communicating hole of the plug.
4. A hinge construction according to claim 1, wherein: a connecting screw rod is formed at the upper part of the damping positioning rod, a connecting screw hole is correspondingly formed in the threaded sleeve, and the connecting screw rod of the damping positioning rod is in threaded connection with the connecting screw hole of the threaded sleeve; a first annular mounting groove is formed in the screw sleeve, and a first sealing ring is mounted in the first annular mounting groove; and a second annular mounting groove is formed in the damping positioning rod, and a second sealing ring is mounted in the second annular mounting groove.
5. A hinge construction according to claim 1, wherein: a first axial through hole and a second axial through hole which are opposite to each other are formed in the side wall of the air pressure chamber of the plug, a sliding rod is radially arranged on the damping positioning rod, and two ends of the sliding rod are respectively limited in the first axial through hole and the second axial through hole; an annular clamping groove is formed in the outer side wall of the plug, a first flange is formed on the inner side wall of the connecting sleeve, and the first flange of the connecting sleeve is embedded into the annular clamping groove of the plug.
6. A hinge construction according to claim 1, wherein: the upper part of the transmission rod penetrates through an inner ring through hole of the first bearing and is inserted into a jack of the rotating ring, an external tangent flat edge is arranged at the upper part of the transmission rod, an internal tangent flat edge corresponding to the external tangent flat edge is arranged in the jack of the rotating ring, the rotating ring is fixed in the first shaft sleeve, and a fixedly connected screw rod sequentially penetrates through the first shaft sleeve and the rotating ring in a screwed mode and locks the transmission rod; form first annular groove and second annular groove on the lateral wall of first bearing, correspond on the inside wall of adapter sleeve and form second flange and third flange, the second flange embedding of adapter sleeve in the first annular groove of first bearing, the third flange embedding of adapter sleeve in the second annular groove of first bearing.
7. A hinge construction according to claim 1, wherein: the first shaft sleeve comprises an upper shaft sleeve and a lower shaft sleeve, a second bearing is arranged between the upper shaft sleeve and the upper end of the second shaft sleeve, the second bearing can be rotatably sleeved on the connecting sleeve, a third bearing is arranged between the lower shaft sleeve and the lower end of the second shaft sleeve, and the third bearing can be rotatably sleeved on the plug.
8. A hinge structure characterized by: the blade comprises a first blade, wherein the first blade is provided with a first shaft sleeve;
the second blade is provided with a second shaft sleeve, and a first through hole is formed in the second shaft sleeve;
the connecting sleeve is sleeved in the first shaft sleeve and the second shaft sleeve, and a second through hole communicated with the first through hole is formed in the connecting sleeve;
the plug is sleeved in the connecting sleeve, an air pressure chamber is formed in the plug, a third through hole communicated with the second through hole is formed in the side wall of the air pressure chamber, and a communicating hole communicated with the air pressure chamber is formed in the plug;
the adjusting seat is arranged in the communicating hole and is in clearance fit with the side wall of the communicating hole, and an exhaust hole is formed in the adjusting seat and is communicated with the communicating hole and the atmosphere;
the first bearing is sleeved in the connecting sleeve;
the transmission rod is rotatably sleeved in the first bearing, the upper part of the transmission rod is fixedly connected with the first shaft sleeve, and the lower part of the transmission rod is provided with a screw rod part;
the upper part of the screw sleeve is provided with a screw thread hole connected with the screw rod part;
the damping positioning rod is connected with the lower part of the threaded sleeve, the damping positioning rod is axially sleeved in the air pressure chamber of the connecting sleeve and the plug in a sliding manner, and the damping positioning rod is in sealing fit with the side walls of the connecting sleeve and the air pressure chamber;
the spring is sleeved on the damping positioning rod, one end of the spring abuts against the screw sleeve, and the other end of the spring abuts against the plug.
9. A hinge construction according to claim 8, wherein: a necking part is formed at the upper part of the communicating hole of the plug, a necking part is correspondingly formed at the upper part of the adjusting seat, a third sealing ring which is in sealing fit with the necking part is sleeved on the necking part, and the area of the cross section of the necking part, which is arranged above the third sealing ring, is gradually reduced from bottom to top; the adjusting seat can be axially movably arranged in the plug, and the adjusting seat is moved to adjust the size of a gap between the necking part and the necking part.
10. A hinge construction according to claim 9, wherein: the part of the necking part above the third sealing ring is a truncated cone; and an internal thread is formed on the inner side wall of the communicating hole of the plug, an external thread is formed on the outer side wall of the adjusting seat, and the adjusting seat is in threaded connection with the communicating hole of the plug.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910889838.3A CN110670988A (en) | 2019-09-20 | 2019-09-20 | Hinge structure |
TW109207828U TWM604845U (en) | 2019-09-20 | 2020-06-19 | Hinge structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910889838.3A CN110670988A (en) | 2019-09-20 | 2019-09-20 | Hinge structure |
Publications (1)
Publication Number | Publication Date |
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CN110670988A true CN110670988A (en) | 2020-01-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910889838.3A Pending CN110670988A (en) | 2019-09-20 | 2019-09-20 | Hinge structure |
Country Status (2)
Country | Link |
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CN (1) | CN110670988A (en) |
TW (1) | TWM604845U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112682670A (en) * | 2021-02-02 | 2021-04-20 | 维沃移动通信有限公司 | Electronic device |
-
2019
- 2019-09-20 CN CN201910889838.3A patent/CN110670988A/en active Pending
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2020
- 2020-06-19 TW TW109207828U patent/TWM604845U/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112682670A (en) * | 2021-02-02 | 2021-04-20 | 维沃移动通信有限公司 | Electronic device |
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TWM604845U (en) | 2020-12-01 |
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