CN108930471B - Multifunctional door hinge - Google Patents
Multifunctional door hinge Download PDFInfo
- Publication number
- CN108930471B CN108930471B CN201810524879.8A CN201810524879A CN108930471B CN 108930471 B CN108930471 B CN 108930471B CN 201810524879 A CN201810524879 A CN 201810524879A CN 108930471 B CN108930471 B CN 108930471B
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- spiral
- shaft
- shaft sleeve
- fixing plate
- spring
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- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
- E05D3/04—Hinges with pins with one pin engaging three or more parts, e.g. sleeves, movable relatively to one another for connecting two or more wings to another member
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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
- E05D11/06—Devices for limiting the opening movement of hinges
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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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
- E05F1/1223—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a compression or traction spring
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a multifunctional door hinge, which comprises an upper part, a middle part and a lower part, wherein the middle part comprises a first fixing plate, a spiral shaft and a shaft sleeve, the spiral shaft is provided with a spiral groove, the inner wall of the shaft sleeve is provided with a spiral rib, and the spiral rib is meshed with the spiral groove on the spiral shaft; the upper part and the lower part have the same structure and are composed of a second fixing plate, a pipe barrel, a spring and a sealing cap; the invention integrates the functions of hinge, automatic door closing and door stopping, and can reduce the installation space and the installation difficulty; the automatic door closing speed is slow and uniform.
Description
Technical Field
The invention belongs to the technical field of hardware door accessories, and particularly relates to a multifunctional door hinge.
Background
At present, along with social development, people's standard of living is constantly improved, most families and units are provided with air conditioners and heating devices, in order to prevent indoor and outdoor heat exchange, energy is saved, people need to come in and go out and close the door at any time, in addition, the door can be closed at any time, outdoor harmful mosquitoes can be prevented from flying in, the concealment and the safety of the space can be ensured, the importance of the door closing at any time can be seen, the door closing at any time is inconvenient or troublesome, people can not be forgotten due to negligence occasionally, particularly in public places, the phenomenon that the door is closed at any time is avoided, life or work is influenced, various automatic door closing devices are generated, the common door closing device is of a spring type and a hydraulic type, after the door is opened, the door closing effect can be automatically generated by a user, the door closing operation of the.
The existing spring type automatic door closing device cannot effectively control the door closing speed, so that the closing speed is too high, potential safety hazards exist for users, especially, children and old people who move slowly are most easily injured, in addition, the door closing speed is too high, noise is generated, and a door body is damaged in serious cases. The existing hydraulic automatic door closing device has a buffering effect, but is high in price, easy to cause oil leakage to cause failure of the device, and short in service life.
The door plate needs to be opened for a long time in many cases, for example, when a meeting room is opened and scattered, and when a family carries furniture, the door needs to be opened for a long time, and because the existing automatic door closing device lacks a locking function, a specially-assigned person needs to pull the door to block the automatic door closing, which brings inconvenience or trouble to a user. Some doors have door stoppers, but the door stopper and the automatic door closing device may conflict in their functions, which may cause inconvenience to users.
Besides the automatic door closing device and the door stopper, the door plate is also provided with hardware door accessories such as hinges and locks, and the hardware door accessories not only occupy larger installation space, influence the attractiveness of the door, but also increase the assembly difficulty.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a multifunctional door hinge which has the functions of automatically closing and stopping a door besides the function of a hinge, and the door is slowly closed at the same speed.
The technical scheme adopted by the invention is as follows: a multifunctional door hinge comprises an upper part, a middle part and a lower part, wherein the middle part is positioned between the upper part and the lower part, the upper part and the lower part are fixed on a door frame, and the middle part is fixed on a door panel;
the middle component comprises a first fixing plate, a spiral shaft and a shaft sleeve; the fixed plate is used for fixing the middle part on the door plate, and the first fixed plate is provided with a plurality of fixing holes; the screw shaft is fixed on the side edge of the first fixing plate, the midpoint of the screw shaft is overlapped with the midpoint of the side edge of the first fixing plate, the length of the screw shaft is greater than that of the side edge of the first fixing plate, the upper section part and the lower section part of the screw shaft, which exceed the side edge of the fixing plate, are respectively provided with a screw groove, the screw groove of the upper section is opposite to the screw groove of the lower section, and the screw grooves of the upper section and the lower section are all in; the two shaft sleeves are respectively sleeved on the upper section and the lower section of the spiral shaft in a penetrating manner, the inner wall of each shaft sleeve is provided with a spiral rib, the spiral ribs are meshed with spiral grooves on the spiral shaft, so that the spiral shaft can relatively rotate in the shaft sleeves, the outer wall of each shaft sleeve is a regular prism, and the two shaft sleeves respectively extend into the inner cavities of the pipe barrels of the upper part and the lower part;
the upper part and the lower part have the same structure, are respectively arranged at two ends of the middle part and are vertically symmetrical, and both consist of a second fixing plate, a pipe barrel, a spring and a sealing cap; the second fixing plate is used for fixing the upper part and the lower part on the door frame, and a plurality of fixing holes are formed in the second fixing plate; the pipe barrel is fixed on the side edge of the second fixing plate, the inner cavity of the pipe barrel is a regular prism space, and the inner cavity of the pipe barrel is matched with the outer wall of the shaft sleeve, so that the shaft sleeve can extend into the inner cavity of the pipe barrel, and the shaft sleeve can only slide freely in the axial direction of the inner cavity of the pipe barrel and cannot rotate relatively in the radial direction; the spring is a compression spring, the spring is arranged in the cavity of the pipe barrel, one end of the spring is propped against the shaft sleeve, and the other end of the spring is propped against the sealing cap; the sealing cap is arranged at the end point of the pipe barrel and used for preventing the spring from being separated, the sealing cap is connected with the pipe barrel through threads, and the tension degree of the spring can be adjusted by rotating the sealing cap.
Further, in order to make the door panel not only slow in the automatic closing process, but also close to the uniform speed as much as possible, the inclination angle of the spiral groove on the spiral shaft is gradually reduced from the starting end to the tail end, namely the spiral groove is inclined from the sparse to the dense direction, and in order to make the spiral rib on the shaft sleeve adapt to the change of the inclination angle of the spiral groove, the spiral rib on the shaft sleeve is simplified into a point-shaped bulge.
Furthermore, in order to prevent the screw groove and the dot-shaped protrusion from being stuck, the cross section of the screw groove on the screw shaft is semicircular, and the dot-shaped protrusion on the shaft sleeve is hemispherical.
Furthermore, in order to make the relative movement of the screw shaft and the shaft sleeve smooth and reduce the friction between the screw shaft and the shaft sleeve as much as possible, three screw grooves on the screw shaft are uniformly distributed, and three point-shaped bulges on the shaft sleeve are uniformly distributed.
Furthermore, in order to increase the effective stroke of the shaft sleeve on the screw shaft as much as possible, the point-shaped bulge on the shaft sleeve is arranged on the end point of the shaft sleeve close to the first fixing plate.
Furthermore, in order to facilitate production and reduce assembly difficulty, the point-shaped protrusions on the shaft sleeve are arranged by drilling holes in the shaft sleeve.
Further, when the fold-back type causes the door panel to rotate at an angle exceeding 90 °, the door panel can be suspended without being automatically closed, the spiral groove of the screw shaft is extended by a horizontal groove at the tip thereof, and the horizontal groove and the spiral groove are in arc transition.
Furthermore, in different rooms, the maximum rotation angles of the door panels may be different, but the maximum rotation angles of the door panels are all between 90 degrees and 180 degrees, in order to prevent the door panels from colliding with the wall when the door is opened, door stoppers are often installed on the wall and the door panels, in order to omit the installation of the door stoppers, in order to adapt to the door panels with various maximum rotation angles, a sliding block is arranged on a horizontal groove on the screw shaft, a plurality of screw holes capable of fixing the sliding block are arranged on the horizontal groove, the sliding block is used for preventing the point-shaped protrusions from sliding in the horizontal groove, the door stoppers can be used, the position of the sliding block in the horizontal groove is adjusted, and the maximum.
Furthermore, the outer wall of the shaft sleeve is a regular hexagonal prism, and the inner cavity of the tube barrel is a regular hexagonal prism space.
The working process of the invention is as follows: when the door is opened, the door drives the screw shaft to rotate, the screw groove on the screw shaft and the point-shaped bulge on the shaft sleeve interact to drive the shaft sleeve, and the shaft sleeve can only axially slide in the shaft sleeve because the shaft sleeve is limited by the pipe sleeve to radially rotate. The spiral grooves on the upper and lower sections of the spiral shaft are in opposite directions, the upper and lower shaft sleeves slide in opposite directions, and the upper and lower shaft sleeves simultaneously compress the spring. When the door plate is loosened by hand, the compressed spring pushes the shaft sleeve to slide axially, and the point-shaped protrusion on the shaft sleeve and the spiral groove on the spiral shaft interact to drive the spiral shaft to rotate, so that automatic door closing is realized.
In the working process, the potential energy of the spring is converted into the kinetic energy of the door plate, the rotation time of the door plate is prolonged by the rotation matching of the spiral shaft and the shaft sleeve, and the rotation speed of the door plate is reduced.
The thrust of the spring to the shaft sleeve makes the shaft sleeve slide axially in the pipe barrel, the interaction between the point-shaped lug on the shaft sleeve and the spiral groove on the spiral shaft makes the axial slide of the shaft sleeve converted into radial rotation of the spiral shaft, although the axial slide of the shaft sleeve is accelerated motion, the inclination angle of the spiral groove is gradually increased, so that the radial rotation speed of the spiral shaft is further reduced and tends to be uniform, and the uniform automatic door closing is realized.
When the door is opened to enable the rotation angle of the door panel to be larger than 90 degrees, the point-shaped bulges on the shaft sleeve slide into the horizontal groove from the spiral groove, the shaft sleeve does not axially slide any more, the shaft sleeve does not continuously compress the spring any more, the spring cannot push the shaft sleeve to axially slide, and the door panel can hover and cannot be automatically closed; when the door plate is pulled by hand to enable the rotation angle of the door plate to be smaller than 90 degrees, the point-shaped bulges slide into the spiral grooves from the horizontal grooves, and the door plate recovers the automatic door closing function. The sliding block in the horizontal groove can prevent the punctiform projections from sliding, can play a role of a door stopper, and can limit the maximum rotating angle of the door plate by adjusting the position of the sliding block in the horizontal groove.
The automatic door closing device has the beneficial effects that ① integrates multiple functions of a hinge, automatic door closing and door stopping, the installation space and the installation difficulty can be reduced, the device is economical and practical, compared with the conventional automatic door closing device, ② slows down the door closing speed, especially the design of changing the inclination angle of the spiral groove, the uniform-speed door closing of the door plate can be realized, and ③ has the advantages of simple structure, easy realization and wide application range.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is a schematic view of the exploded structure of the upper part of the present invention.
Fig. 4 is a schematic view of the exploded structure of the lower part of the present invention.
FIG. 5 is a schematic view of a lower structure of the screw shaft according to the present invention.
Fig. 6 is a schematic cross-sectional structure of the shaft sleeve of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
A multifunctional door hinge comprises an upper part 6, a middle part 1 and a lower part 8, wherein the middle part 1 is positioned between the upper part 6 and the lower part 8, the upper part 6 and the lower part 8 are fixed on a door frame, and the middle part 1 is fixed on a door panel;
the middle part 1 comprises a first fixing plate 7, a screw shaft 9 and a shaft sleeve 13; the first fixing plate 7 is used for fixing the middle part 1 on the door panel, and a plurality of fixing holes 3 are formed in the first fixing plate 7; the screw shaft 9 is fixed on the side edge of the first fixing plate 7, the midpoint of the screw shaft 9 is overlapped with the midpoint of the side edge of the first fixing plate 7, the length of the screw shaft 9 is greater than that of the side edge of the first fixing plate 7, the upper section 10 part and the lower section 11 part of the screw shaft 9, which exceed the side edge of the first fixing plate 7, are respectively provided with a screw groove 12, the screw groove 12 of the upper section 10 is opposite to the screw groove 12 of the lower section 11, and the screw grooves 12 of the upper section and the lower section are all in a; the two shaft sleeves 13 are respectively sleeved on the upper and lower sections of the spiral shaft in a penetrating manner, the inner wall of each shaft sleeve 13 is provided with spiral convex edges which are meshed with the spiral grooves 12 on the spiral shafts 9, so that the spiral shafts 9 can relatively rotate in the shaft sleeves 13, the outer wall 20 of each shaft sleeve 13 is a regular prism, and the two shaft sleeves respectively extend into the inner cavities 15 of the pipe barrels 5 of the upper part 6 and the lower part 8;
the upper part 6 and the lower part 8 have the same structure, the upper part 6 and the lower part 8 are respectively arranged at two ends of the middle part 1 and are symmetrical up and down, and the upper part 6 and the lower part 8 are both composed of a second fixing plate 2, a pipe barrel 5, a spring 14 and a sealing cap 4; the second fixing plate 2 is used for fixing the upper part and the lower part on the door frame, and a plurality of fixing holes 3 are formed in the second fixing plate 2; the pipe barrel 5 is fixed on the side edge of the second fixing plate 2, the inner cavity 15 of the pipe barrel 2 is a regular prism space, the inner cavity 15 of the pipe barrel 2 is matched with the outer wall 20 of the shaft sleeve 13, so that the shaft sleeve 13 can extend into the inner cavity 15 of the pipe barrel 2, and the shaft sleeve 13 can only slide freely in the axial direction of the inner cavity 15 of the pipe barrel 5 but cannot rotate relatively in the radial direction; the spring 14 is a compression spring, the spring 14 is arranged in the cavity 15 of the tube barrel 5, one end of the spring 14 is propped against the shaft sleeve 13, and the other end of the spring 14 is propped against the sealing cap 4; the sealing cap 4 is arranged at the end point of the pipe barrel 5 and used for preventing the spring 15 from falling off, the sealing cap 4 is connected with the pipe barrel 5 through threads 16, and the tightness of the spring 14 can be adjusted by rotating the sealing cap 4.
Further, in order to make the door panel not only slow but also close to uniform speed as much as possible during the automatic closing process, the inclination angle of the spiral groove 12 on the spiral shaft 9 gradually decreases from the beginning to the end, that is, the spiral groove 12 inclines from sparse to dense, and in order to make the spiral rib on the shaft sleeve 13 adapt to the change of the inclination angle of the spiral groove 12, the spiral rib on the shaft sleeve 13 is simplified into a point-shaped protrusion 21.
Furthermore, in order to prevent the screw groove 12 and the dot-shaped protrusion 21 from being jammed, the cross section of the screw groove 12 on the screw shaft 9 is semicircular, and the dot-shaped protrusion 21 on the sleeve 13 is hemispherical.
Furthermore, in order to make the relative movement between the screw shaft 9 and the shaft sleeve 13 smooth and minimize the friction between the screw shaft 9 and the shaft sleeve 13, the screw grooves 12 on the screw shaft 9 are arranged in three ways and are uniformly distributed, and the point-shaped protrusions 21 on the shaft sleeve 13 are arranged in three ways and are uniformly distributed.
Furthermore, in order to maximize the effective stroke of the bushing 13 on the screw shaft 9, the point-like protrusion 21 on the bushing 13 is disposed at the end of the bushing 13 close to the first fixing plate 7.
Furthermore, for the convenience of production and the reduction of assembly difficulty, the point-like protrusions 21 on the sleeve 13 are provided by drilling holes in the side wall of the sleeve.
Further, when the door panel is folded back so that the door panel is rotated at an angle exceeding 90 °, the door panel is suspended without being automatically closed, the spiral groove 12 of the screw shaft 9 is further extended at its distal end by a horizontal groove 19, and the horizontal groove 19 and the spiral groove 12 are in arc transition.
Furthermore, in different rooms, the maximum rotation angle of the door panel may be different, but the maximum rotation angle of the door panel should be between 90 ° and 180 °, in order to prevent the door panel from colliding with the wall when the door is opened, a door stopper is often installed on the wall and the door panel, in order to omit the installation of the door stopper, in order to adapt to door panels with various maximum rotation angles, a sliding block 17 is arranged on a horizontal groove 19 on the screw shaft 9, a plurality of screw holes 18 capable of fixing the sliding block 17 are arranged on the horizontal groove 19, the sliding block 17 is used for preventing the punctiform protrusions 21 from sliding in the horizontal groove 19, and can function as the door stopper, and the maximum rotation angle of the door panel can be limited by adjusting the position of the sliding block 17.
Further, the outer wall 20 of the shaft sleeve 13 is a regular hexagonal prism, and the inner cavity 15 of the tube 5 is a regular hexagonal prism space.
The working process of the invention is as follows: when the door is opened, the screw shaft 9 is driven by the door to rotate, the screw groove 12 on the screw shaft 9 interacts with the point-shaped bulge 21 on the shaft sleeve 13 to drive the shaft sleeve 13, and the shaft sleeve 13 can only slide axially in the pipe sleeve 5 because the pipe sleeve 5 limits the radial rotation of the shaft sleeve 13. The upper and lower screw grooves 12 of the screw shaft 9 are reversed, the upper and lower bushings slide in opposite directions 13, and the upper and lower bushings 13 compress the spring 14 at the same time. When the door panel is loosened by hand, the compressed spring 14 pushes the shaft sleeve 13 to slide axially, and the point-shaped protrusion 21 on the shaft sleeve 13 interacts with the spiral groove 12 on the spiral shaft 9 to drive the spiral shaft 9 to rotate, so that automatic door closing is realized.
In the working process, the potential energy of the spring 14 is converted into the kinetic energy of the door panel, and the rotation matching of the spiral shaft 9 and the shaft sleeve 13 prolongs the rotation time of the door panel and reduces the rotation speed of the door panel.
The thrust of the spring 14 to the shaft sleeve 13 causes the shaft sleeve 13 to axially slide in the tube 5, the point-shaped bulge 21 on the shaft sleeve 13 interacts with the spiral groove 12 on the spiral shaft 9 to convert the axial sliding of the shaft sleeve 13 into radial rotation of the spiral shaft 9, although the axial sliding of the shaft sleeve 13 is acceleration movement, the inclination angle of the spiral groove 12 is gradually increased, so that the radial rotation speed of the spiral shaft 9 is further reduced to approach to uniform speed, and thus uniform-speed automatic door closing is realized.
When the door is opened to enable the rotation angle of the door panel to be larger than 90 degrees, the point-shaped protrusions 21 on the shaft sleeve 13 slide into the horizontal groove 19 from the spiral groove 12, the shaft sleeve 13 does not axially slide any more, the shaft sleeve 13 does not continuously compress the spring 14, the spring 14 cannot push the shaft sleeve 13 to axially slide, and the door panel can be hovered and cannot be automatically closed; when the door panel is pulled by hand to enable the rotation angle of the door panel to be smaller than 90 degrees, the point-shaped protrusions 21 slide into the spiral grooves 12 from the horizontal grooves 19, and the door panel recovers the automatic door closing function. The sliding block 17 in the horizontal groove 19 can block the point-shaped protrusion 21 from sliding, can play a role of a door stopper, and can limit the maximum rotating angle of the door panel by adjusting the position of the sliding block 17 in the horizontal groove.
Claims (9)
1. The utility model provides a multi-functional door hinge, characterized by: the door hinge comprises an upper part, a middle part and a lower part, wherein the middle part is positioned between the upper part and the lower part, the upper part and the lower part are fixed on a door frame, and the middle part is fixed on a door panel;
the middle component comprises a first fixing plate, a spiral shaft and a shaft sleeve; the fixed plate is used for fixing the middle part on the door plate, and the first fixed plate is provided with a plurality of fixing holes; the spiral shaft is fixed on the side edge of the first fixing plate, the midpoint of the spiral shaft is overlapped with the midpoint of the side edge of the first fixing plate, the length of the spiral shaft is greater than that of the side edge of the first fixing plate, spiral grooves are respectively arranged on the upper section part and the lower section part of the spiral shaft, which exceed the side edge of the fixing plate, the spiral grooves on the upper section and the lower section are opposite, the spiral grooves on the upper section and the lower section are all one quarter of a circle in a spiral manner, and the inclination angles of the spiral grooves on the upper section and; the two shaft sleeves are respectively sleeved on the upper section and the lower section of the spiral shaft in a penetrating manner, the inner wall of each shaft sleeve is provided with a spiral rib, the spiral ribs are meshed with spiral grooves on the spiral shaft, so that the spiral shaft can relatively rotate in the shaft sleeves, the outer wall of each shaft sleeve is a regular prism, and the two shaft sleeves respectively extend into the inner cavities of the pipe barrels of the upper part and the lower part;
the upper part and the lower part have the same structure, are respectively arranged at two ends of the middle part and are vertically symmetrical, and both consist of a second fixing plate, a pipe barrel, a spring and a sealing cap; the second fixing plate is used for fixing the upper part and the lower part on the door frame, and a plurality of fixing holes are formed in the second fixing plate; the pipe barrel is fixed on the side edge of the second fixing plate, the inner cavity of the pipe barrel is a regular prism space, and the inner cavity of the pipe barrel is matched with the outer wall of the shaft sleeve, so that the shaft sleeve can extend into the inner cavity of the pipe barrel, and the shaft sleeve can only slide freely in the axial direction of the inner cavity of the pipe barrel and cannot rotate relatively in the radial direction; the spring is a compression spring, the spring is arranged in the cavity of the pipe barrel, one end of the spring is propped against the shaft sleeve, and the other end of the spring is propped against the sealing cap; the sealing cap is arranged at the end point of the pipe barrel and used for preventing the spring from being separated, the sealing cap is connected with the pipe barrel through threads, and the tension degree of the spring can be adjusted by rotating the sealing cap.
2. The multi-functional door hinge of claim 1, wherein: the spiral convex ribs on the shaft sleeve are simplified into point-shaped bulges.
3. A multi-functional door hinge according to claim 1 or 2, wherein: the cross section of the spiral groove on the spiral shaft is semicircular, and the point-shaped bulge on the shaft sleeve is a hemispherical bulge.
4. A multi-functional door hinge according to claim 1 or 2, wherein: the spiral grooves on the spiral shaft are arranged into three and evenly distributed grooves, and the point-shaped bulges on the shaft sleeve are three and evenly distributed grooves.
5. The multi-functional door hinge of claim 2, wherein: the point-shaped bulge on the shaft sleeve is arranged on the end point, close to the first fixing plate, of the shaft sleeve.
6. The multi-functional door hinge of claim 2, wherein: the point-shaped bulges on the shaft sleeve are arranged by drilling holes on the shaft sleeve.
7. The multi-functional door hinge of claim 1, wherein: the spiral groove on the spiral shaft extends to a section of horizontal groove at the tail end of the spiral groove, and the horizontal groove and the spiral groove are in circular arc transition.
8. The multi-functional door hinge of claim 7, wherein: the horizontal groove on the screw shaft is provided with a sliding block, and the horizontal groove is provided with a plurality of screw holes capable of fixing the sliding block.
9. The multi-functional door hinge of claim 1, wherein: furthermore, the outer wall of the shaft sleeve is a regular hexagonal prism, and the inner cavity of the tube barrel is a regular hexagonal prism space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524879.8A CN108930471B (en) | 2018-05-28 | 2018-05-28 | Multifunctional door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524879.8A CN108930471B (en) | 2018-05-28 | 2018-05-28 | Multifunctional door hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930471A CN108930471A (en) | 2018-12-04 |
| CN108930471B true CN108930471B (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524879.8A Active CN108930471B (en) | 2018-05-28 | 2018-05-28 | Multifunctional door hinge |
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| CN (1) | CN108930471B (en) |
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| CN110290337B (en) * | 2019-06-12 | 2021-07-16 | 江西冠一通用飞机有限公司 | Universal television convenient to adjust for aircraft |
| CN110259304A (en) * | 2019-07-25 | 2019-09-20 | 成都兴世伟门业有限公司 | A kind of strength fall proof hinge |
| CN112943014B (en) * | 2019-12-10 | 2022-06-21 | 江西大发门业有限公司 | Windproof hinge and windproof door |
| CN113682496B (en) * | 2021-07-30 | 2024-04-26 | 长沙天仪空间科技研究院有限公司 | Tooling structure of aerospace craft |
| CN114109011B (en) * | 2021-11-30 | 2022-12-27 | 华能秦煤瑞金发电有限责任公司 | Coal conveying trestle suspension maintenance device |
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| US1691759A (en) * | 1926-07-31 | 1928-11-13 | Fischer Ernest | Gravitating hinge |
| CN2299922Y (en) * | 1996-05-22 | 1998-12-09 | 洪文腾 | Structure for automatic returning door hinge |
| CN101018924A (en) * | 2004-08-24 | 2007-08-15 | 爱旺创新技术有限公司 | Hinge apparatus for heavy door having automatic return function |
| CN206785181U (en) * | 2017-03-26 | 2017-12-22 | 广东名门锁业有限公司 | A kind of single helical groove self-close hinge structure |
| CN207017837U (en) * | 2017-06-21 | 2018-02-16 | 长沙隆鑫节能门窗有限公司 | A kind of New type hinge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE889768A (en) * | 1981-07-28 | 1981-11-16 | Hsu Yun Tung | AUTOMATIC RETURN HINGES. |
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2018
- 2018-05-28 CN CN201810524879.8A patent/CN108930471B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1691759A (en) * | 1926-07-31 | 1928-11-13 | Fischer Ernest | Gravitating hinge |
| CN2299922Y (en) * | 1996-05-22 | 1998-12-09 | 洪文腾 | Structure for automatic returning door hinge |
| CN101018924A (en) * | 2004-08-24 | 2007-08-15 | 爱旺创新技术有限公司 | Hinge apparatus for heavy door having automatic return function |
| CN206785181U (en) * | 2017-03-26 | 2017-12-22 | 广东名门锁业有限公司 | A kind of single helical groove self-close hinge structure |
| CN207017837U (en) * | 2017-06-21 | 2018-02-16 | 长沙隆鑫节能门窗有限公司 | A kind of New type hinge |
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|---|---|
| CN108930471A (en) | 2018-12-04 |
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