CN212507860U - Door hinge capable of enhancing personal safety - Google Patents
Door hinge capable of enhancing personal safety Download PDFInfo
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- CN212507860U CN212507860U CN202021637530.4U CN202021637530U CN212507860U CN 212507860 U CN212507860 U CN 212507860U CN 202021637530 U CN202021637530 U CN 202021637530U CN 212507860 U CN212507860 U CN 212507860U
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Abstract
The utility model discloses a door hinge capable of enhancing personal safety. Comprises a left hinge, a right hinge and a pin shaft; the utility model has the main characteristics that: the middle part of the left end of the left shaft sleeve is provided with a square cavity and a square protruding part, the rack is arranged in the square groove, and the gear is arranged in the inverted U-shaped groove and meshed with the rack; the gear is sleeved and fastened on the outer diameter end of the rotating shaft; the right end of the rack is provided with an insert column; when the hand-held part is screwed anticlockwise, the rack moves rightwards to drive the inserting column to pass through the circular through hole rightwards and then be inserted into the circular groove, and the pin shaft and the left shaft sleeve are movably fixed together; and the headless hexagon socket head cap screw is screwed into the first threaded hole and then screwed into the second threaded hole, and the pin shaft, the upper right shaft sleeve and the lower right shaft sleeve are tightly locked together. The utility model provides a modified door loose-leaf gets into the room back when the house owner, even the tool to lock is opened by the thief with the self-control key, the door also can not pushed open, eliminates the house owner's personal safety hidden danger.
Description
Technical Field
The utility model belongs to the technical field of hardware for the building technique and specifically relates to a can strengthen door loose-leaf of personal safety.
Background
The door hinge is a connecting rotating piece which is connected between the door and the door frame and enables the door to rotate around the door frame. The room door hinge generally comprises a left hinge fixed on a door frame, a right hinge fixed on a room door and a pin shaft matched with the left hinge and the right hinge.
The door is installed behind one side of door frame through the door loose-leaf, locks the opposite side at the door frame through the tool to lock tightly. The existing locks with different security levels in the market can be unlocked by thieves with homemade keys. After the homeowner gets into in the room, in case the tool to lock is opened by the thief with the self-control key, the door can be pushed open, and in the thief got into the room, except can causing the property loss of homeowner, still can bring very big personal safety hidden danger for the homeowner.
After a homeowner enters a room, how to prevent a thief from opening a door after opening a lockset by using a homemade key becomes an important subject about personal safety of the homeowner.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a modified door loose-leaf, back in the house owner gets into the room, even the tool to lock is opened by the thief with the self-control key, the door can not pushed open, in the unable room that gets into of thief, when avoiding causing the property loss of house owner, eliminates house owner's personal safety hidden danger.
The technical scheme of the utility model is that: the door hinge capable of enhancing personal safety comprises a left hinge fixed on a door frame, a right hinge fixed on a door and a pin shaft matched with the left hinge and the right hinge.
The left hinge comprises a left positioning plate, the front end of the left positioning plate is bent forwards and welded to form a left shaft sleeve, and a plurality of left positioning holes are uniformly distributed in the left positioning plate.
The hinge comprises a right square positioning plate, the left upper end and the left lower end of the right square positioning plate extend leftwards respectively to form an upper connecting strip and a corresponding lower connecting strip, the upper connecting strip and the lower connecting strip are bent leftwards respectively and welded to form an upper right shaft sleeve and a corresponding lower right shaft sleeve, a square notch is formed between the bottom end of the upper connecting strip and the upper right shaft sleeve and the top end of the lower connecting strip and the lower right shaft sleeve, the left shaft sleeve is movably sleeved on the outer diameter end of the middle part of the pin shaft conveniently, and a plurality of right positioning holes are uniformly distributed in the right square positioning plate.
The top and the bottom of round pin axle be equipped with integrated into one piece's last circular baffle and the lower circular baffle that corresponds respectively, go up the diameter of circular baffle and lower circular baffle and the external diameter of left axle sleeve, upper right axle sleeve and right lower axle sleeve the same, left axle sleeve movable sleeve is established on the external diameter end at the middle part of round pin axle, upper right axle sleeve and right lower axle sleeve establish respectively on the external diameter end of round pin axle between the top of left axle sleeve and the bottom of last circular baffle and between the bottom of left axle sleeve and the top of lower circular baffle.
The utility model has the main characteristics that: the middle part of the left end of left side axle sleeve is equipped with square cavity and welded fastening together, the middle part on the top of square cavity is equipped with integrated into one piece's square protruding portion, square cavity's left end is equipped with the square groove that is used for installing the rack, the bottom wall thickness of square inslot is equipped with the guide way with the draw runner adaptation of the bottom of rack along front and back central line, the rack is installed in the square groove, the bottom of rack is along the central line downwardly extending formation draw runner around, the draw runner inserts the back in the guide way downwards, the rack can be about the square inslot nimble directional removal, the bottom of square protruding portion is equipped with the font of falling U recess that is used for installing the gear, the bottom of the font of falling U recess communicates with each other with the middle part on the top of square groove, the gear is installed and is engaged with the rack in the font.
The gear sleeve is fastened on the outer diameter end of the rotating shaft, a mounting hole matched with the rotating shaft is formed in the wall thickness of the front end of the inverted U-shaped groove, and the rotating shaft penetrates out of the hole opening of the mounting hole forwards and then is of an integrated structure with the handheld portion.
The right end of the rack is provided with an integrally formed inserting column, the diameter of the inserting column is the same as the front and back thickness of the rack, and the sum of the left length and the right length of the rack and the inserting column is the same as the left length and the right length of the square groove.
The middle part of the left end of the left shaft sleeve is provided with a round through hole corresponding to the notch of the square groove, the middle part of the left end of the pin shaft is provided with a round groove corresponding to the round through hole, the axes of the round through hole and the round groove are the same as the axis of the inserted column, the inner diameters of the round through hole and the round groove are slightly larger than the diameter of the inserted column but smaller than the upper width and the lower width of the rack, when the handheld part is screwed anticlockwise, the handheld part drives the rotating shaft to rotate anticlockwise, the rotating shaft rotates anticlockwise to drive the gear to rotate anticlockwise, the gear rotates anticlockwise to drive the rack to move rightwards, the rack moves rightwards to drive the inserted column to pass through the round through hole and then to be inserted.
The middle parts of the left ends of the upper right shaft sleeve and the lower right shaft sleeve are respectively provided with a first threaded hole, the left upper end and the left lower end of the pin shaft are respectively provided with a second threaded hole corresponding to the first threaded hole, the axis and the inner diameter of the first threaded hole are respectively the same as those of the second threaded hole, the headless hexagon socket head cap screw is screwed into the first threaded hole and then screwed into the second threaded hole, and the pin shaft, the upper right shaft sleeve and the lower right shaft sleeve are locked together.
Furthermore, the left hinge, the right hinge, the pin shaft, the rack, the inserting column, the gear, the rotating shaft and the handheld part are made of steel.
Furthermore, the square cavity and the square protruding part are made of cast iron.
The utility model discloses at the square cavity that the middle part welded fastening of the left end of left axle sleeve was used for installing the rack, the middle part on the top of square cavity was equipped with the square protruding portion that is used for installing gear, integrated into one piece, meshing between the gear in the font recess of falling U and the rack of square inslot. After a house owner enters a room, a door is locked through a lockset, then the hand-held part is twisted anticlockwise, the gear rotates anticlockwise through the rotating shaft, the anticlockwise rotating gear drives the rack to move rightwards to drive the inserting column to pass through the round through hole in the left shaft sleeve rightwards and then to be inserted into the round groove in the pin shaft, and the pin shaft and the left shaft sleeve are movably fixed together. Because the left shaft sleeve is fixed on the door frame by adopting screws through a plurality of left positioning holes on the integrally formed left positioning plate, the pin shaft cannot rotate after the pin shaft and the left shaft sleeve are movably fixed together; when being inserted the post chucking between round pin axle and the left axle sleeve, because round pin axle and upper right axle sleeve and right down between the axle sleeve through headless hexagon socket head cap screw lock together, upper right axle sleeve and right down axle sleeve are unable to rotate, just also can't rotate with the door that right shape locating plate is fixed together, like this, even the tool to lock is opened with self-control key by the thief, and the door also can not be pushed open.
The utility model has the advantages that: the utility model provides a modified door loose-leaf gets into the room back when the house owner, even the tool to lock is opened by the thief with the self-control key, the door can not pushed open, and in the unable room that gets into of thief, when avoiding causing the property loss of house owner, eliminate house owner's personal safety hidden danger.
Drawings
The specific structure of the present invention is given by the following embodiments and the accompanying drawings.
Fig. 1 is a schematic structural diagram of the specific structure of the present invention.
Fig. 2 is a sectional view (enlarged) taken along line a-a of fig. 1.
Fig. 3 is a K-direction view of the left leaflet of fig. 1.
Fig. 4 is a detailed structural diagram of the right leaflet.
In the figure: the structure comprises an upper right shaft sleeve 1, an upper round baffle 2, an upper connecting strip 3, a left shaft sleeve 4, a right positioning hole 5, a square notch 6, a pin 7, a right positioning plate 8, a right hinge 9, a lower connecting strip 10, a threaded hole two 11, a lower round baffle 12, a headless hexagon socket head cap screw 13, a threaded hole one 14, a right lower shaft sleeve 15, a round groove 16, an insert column 17, a round through hole 18, a rack 19, a sliding strip 20, a guide groove 21, a square cavity 22, a square groove 23, a square protrusion 24, a gear 25, an inverted U-shaped groove 26, a left hinge 27, a rotating shaft 28, a handheld part 29, a mounting hole 30, a left positioning hole 31 and a left positioning plate 32.
Detailed Description
The present invention will be further described with reference to the following examples.
Example (b): as shown in fig. 1 to 3, a door hinge capable of enhancing personal safety is designed and manufactured, and includes a left hinge 27 for fixing to a door frame, a right hinge 9 for fixing to a door, and a pin 7 adapted to the left hinge 27 and the right hinge 9.
The left hinge 27 comprises a left square positioning plate 32, the front end of the left square positioning plate 32 is bent forwards and welded to form a left shaft sleeve 4, and 4 left positioning holes 31 are uniformly distributed on the left square positioning plate 32.
A left hinge 27 for fixing to the door frame; the left square positioning plate 32 is used for connecting the left shaft sleeve 4; the left shaft sleeve 4 is sleeved on the outer diameter end of the middle part of the pin shaft; and a left positioning hole 31 for screwing the left positioning plate 32 to the doorframe.
The right side loose leaf 9 includes right-hand shape locating plate 8, the upper left end and the left lower extreme of right-hand shape locating plate 8 extend left respectively and form connecting strip 3 and the lower connecting strip 10 that corresponds, go up connecting strip 3 and lower connecting strip 10 bend left respectively and weld and form upper right axle sleeve 1 and the lower axle sleeve 15 that corresponds, it forms the square notch 6 that the outer diameter at the middle part of round pin axle 7 was served in the left axle sleeve 4 movable sleeve of being convenient for between the bottom of upper right connecting strip 3 and upper right axle sleeve 1 and the top of lower connecting strip 10 and lower axle sleeve 15, be equipped with 6 right locating holes 5 of equipartition on the right-hand shape locating plate 8.
The right loose-leaf 9 is used for being fixed on the door; the right square positioning plate 8 is respectively connected with the right upper shaft sleeve 1 and the corresponding right lower shaft sleeve 15 through the upper connecting strip 3 and the corresponding lower connecting strip 10; the upper connecting strip 3 is used for connecting the right upper shaft sleeve 1 and the right positioning plate 8 and provides a movable space for the left shaft sleeve 4 to be movably sleeved on the outer diameter end of the middle part of the pin shaft 7; the lower connecting strip 10 is used for connecting the right lower shaft sleeve 15 and the right positioning plate 8 and provides a movable space for the left shaft sleeve 4 to be movably sleeved on the outer diameter end of the middle part of the pin shaft 7; the right upper shaft sleeve 1 is sleeved on the outer diameter end of the pin shaft 7 between the top end of the left shaft sleeve 4 and the bottom end of the upper circular baffle 2; the right lower shaft sleeve 15 is sleeved on the outer diameter end of the pin shaft 7 between the bottom end of the left shaft sleeve 4 and the top end of the lower circular baffle plate 12; the square gap 6 is convenient for the left shaft sleeve 4 to be movably sleeved on the outer diameter end of the middle part of the pin shaft 7; and the right positioning hole 5 is used for screwing the right positioning plate 8 on the door through a screw.
The top and the bottom of round pin axle 7 are equipped with integrated into one piece's last circular baffle 2 and the lower circular baffle 12 that corresponds respectively, go up circular baffle 2 and the diameter of circular baffle 12 down and the external diameter of left axle sleeve 4, upper right axle sleeve 1 and right lower axle sleeve 15 is the same, and left axle sleeve 4 activity cover is established on the external diameter end in the middle part of round pin axle 7, and upper right axle sleeve 1 and right lower axle sleeve 15 overlap respectively and establish on the external diameter end of round pin axle 7 between the top of left axle sleeve 4 and the bottom of last circular baffle 2 and between the bottom of left axle sleeve 4 and the top of lower circular baffle 12.
The pin shaft 7 is used for sleeving the left shaft sleeve 4, the right upper shaft sleeve 1 and the right lower shaft sleeve 15; the upper round baffle 2 is used for preventing the pin shaft 7 from sliding downwards; and a lower circular baffle 12 for preventing the pin 7 from protruding upward.
The utility model has the main characteristics that: the middle part of the left end of the left shaft sleeve 4 is provided with a square cavity 22 and is welded and fixed together, the middle part of the top end of the square cavity 22 is provided with an integrally formed square protrusion 24, the left end of the square cavity 22 is provided with a square groove 23 for installing a rack 19, the wall thickness of the bottom end in the square groove 23 is provided with a guide groove 21 matched with a slide bar 20 at the bottom end of the rack 19 along the front and back central lines, the rack 19 is installed in the square groove 23, the bottom end of the rack 19 extends downwards along the front and back central lines to form the slide bar 20, after the slide bar 20 is downwards inserted into the guide groove 21, the rack 19 can flexibly and directionally move left and right in the square groove 23, the bottom end of the square protruding part 24 is provided with an inverted U-shaped groove 26 for mounting the gear 25, the bottom end of the inverted U-shaped groove 26 is communicated with the middle part of the top end of the square groove 23, and the gear 25 is mounted in the inverted U-shaped groove 26, meshed with the rack 19 and can flexibly rotate in the inverted U-shaped groove 26.
A square cavity 22 for mounting the rack 19 by arranging a square groove 23; a square protrusion 24 for mounting a gear 25 by providing an inverted U-shaped groove 26 communicating with the square groove 23; the rack 19 is engaged with the gear 25 and can move flexibly left and right in the square groove 23; the gear 25 can flexibly rotate in the inverted U-shaped groove 26 and drives the rack 19 to move left and right in the square groove 23 by being meshed with the rack 19; the slide bar 20 is inserted downwards into the guide groove 21, so that the rack 19 can move in the square groove 23 in a left-right directional mode.
The gear 25 is fixedly sleeved on the outer diameter end of the rotating shaft 28, the wall thickness of the front end of the inverted U-shaped groove 26 is provided with a mounting hole 30 matched with the rotating shaft 28, and the rotating shaft 28 penetrates out of the hole of the mounting hole 30 forwards and then is integrated with the handheld part 29.
The rotating shaft 28 is used for driving the gear 25 to rotate clockwise or anticlockwise through screwing the handheld part 29; the handle 29 is used for facilitating the rotation of the rotating shaft 28 clockwise or counterclockwise by being held by fingers.
The right end of the rack 19 is provided with an integrally formed insert column 17, the diameter of the insert column 17 is the same as the front-back thickness of the rack 19, and the sum of the left length and the right length of the rack 19 and the insert column 17 is the same as the left length and the right length of the square groove 23.
And the inserting column 17 penetrates through the round through hole 18 on the left shaft sleeve 4 rightwards and then is inserted into the round groove 16 on the pin shaft 7, so that the pin shaft 7 and the left shaft sleeve 4 are movably fixed together. The utility model discloses an insert post 17 will sell the back together of activity fixation between 7 and the left axle sleeve 4 of axle, because round pin axle 7 can't rotate, with round pin axle 7 tight lock on the right side axle sleeve 1 and the right side down axle sleeve 15 also can't rotate, with the fixed door together of right-hand shape locating plate 8 also can't rotate, like this, even the tool to lock is opened with the self-control key by the thief, the door also can not be pushed open.
The middle part of the left end of the left shaft sleeve 4 is provided with a round through hole 18 corresponding to the notch of the square groove 23, the middle part of the left end of the pin shaft 7 is provided with a round groove 16 corresponding to the round through hole 18, the axes of the round through hole 18 and the round groove 16 are the same as the axis of the insert column 17, the inner diameters of the round through hole 18 and the round groove 16 are slightly larger than the diameter of the insert column 17 but smaller than the upper and lower width of the rack 19, when the handheld part 29 is screwed anticlockwise, the handheld part 29 drives the rotating shaft 28 to rotate anticlockwise, the rotating shaft 28 rotates anticlockwise to drive the gear 25 to rotate anticlockwise, the gear 25 rotates anticlockwise to drive the rack 19 to move rightwards, the rack 19 moves rightwards to drive the insert column 17 to penetrate through the round through hole 18 and then to be inserted into the round groove.
In the utility model, when the hand-held part 29 is twisted anticlockwise, the rack 19 moves rightwards to drive the inserting column 17 to pass through the round through hole 18 rightwards and then to be inserted into the round groove 16, so as to movably fix the pin shaft 7 and the left shaft sleeve 4 together; when the handle 29 is twisted clockwise, the rack 19 moves leftwards to drive the plug post 17 to withdraw from the circular through hole 18 and the circular groove 16 leftwards, so that the pin 7 can flexibly rotate in the left shaft sleeve 4.
The middle parts of the left ends of the upper right shaft sleeve 1 and the lower right shaft sleeve 15 are respectively provided with a first threaded hole 14, the left upper end and the left lower end of the pin shaft 7 are respectively provided with a second threaded hole 11 corresponding to the first threaded hole 14, the axis and the inner diameter of the first threaded hole 14 are respectively the same as the axis and the inner diameter of the second threaded hole 11, the headless hexagon socket head cap screw 13 is screwed into the first threaded hole 14 and then screwed into the second threaded hole 11, and the pin shaft 7 is tightly locked with the upper right shaft sleeve 1 and the lower right shaft sleeve 15.
And the headless inner hexagon bolt 13 is screwed into the first threaded hole 14 and then screwed into the second threaded hole 11, so that the pin shaft 7 is tightly locked with the upper right shaft sleeve 1 and the lower right shaft sleeve 15. The utility model discloses a back of locking together between axle pin 7 and upper right axle sleeve 1 and the lower axle sleeve 15 in the right side is gone up to headless hexagon socket head cap screw 13, makes upper right axle sleeve 1 and the lower axle sleeve 15 in the right side can only rotate along with round pin axle 7, in case round pin axle 7 is inserted the post 17 chucking, upper right axle sleeve 1 and the lower axle sleeve 15 in the right side just also can't rotate, and the door can not pushed open.
Preferably, the left hinge 27, the right hinge 9, the pin 7, the rack 19, the post 17, the gear 25, the rotating shaft 28 and the handle 29 are made of steel.
Preferably, the square cavity 22 and the square protrusion 24 are made of cast iron.
In the present invention, the welding between the square cavity 22 made of cast iron and the left shaft sleeve 4 made of steel belongs to the known technology, and is not repeated here.
The utility model discloses an operating condition is: when a house owner enters a room, a door is locked through a lockset, then the hand-held part 29 is turned anticlockwise, the gear 25 is turned anticlockwise through the rotating shaft 28, the gear 25 which is turned anticlockwise drives the rack 28 to move rightwards, the inserted column 17 is driven to move rightwards to penetrate through the circular through hole 18 on the left shaft sleeve 4 and then is inserted into the circular groove 16 on the pin shaft 7, and the pin shaft 7 and the left shaft sleeve 4 are movably fixed together. Because left axle sleeve 4 is fixed on the door frame through 4 left locating holes 31 on integrated into one piece's the left shape locating plate 32, round pin axle 7 can't rotate after the activity is fixed together between round pin axle 7 and the left axle sleeve 4, and the right side upper axle sleeve 1 and the right side axle sleeve 15 that lock together with round pin axle 7 also can't rotate, like this, the door that is fixed together with right shape locating plate 8 also can't rotate yet, even the tool to lock is opened with the self-control key by the thief, the door also can not be pushed open.
When a homeowner needs to go out, the lock is unlocked by a key, the handheld portion 29 is twisted clockwise, the gear 25 is rotated clockwise through the rotating shaft 28, the gear 25 rotated clockwise drives the rack 28 to move leftwards to drive the plug column 17 to withdraw leftwards from the circular through hole 18 on the left shaft sleeve 4 and the circular groove 16 on the pin shaft 7, and the pin shaft 7 can flexibly rotate in the left shaft sleeve 4. At this time, the door fixed with the right positioning plate 8 can also be flexibly rotated, and the door can be easily pulled open by hand.
Claims (3)
1. A door hinge capable of enhancing personal safety comprises a left hinge (27) fixed on a door frame, a right hinge (9) fixed on a door and a pin shaft (7) matched with the left hinge (27) and the right hinge (9);
the left hinge (27) comprises a left positioning plate (32), the front end of the left positioning plate (32) is bent forwards and welded to form a left shaft sleeve (4), and a plurality of left positioning holes (31) are uniformly distributed on the left positioning plate (32);
the right hinge (9) comprises a right-shaped positioning plate (8), the upper left end and the lower left end of the right-shaped positioning plate (8) extend leftwards respectively to form an upper connecting strip (3) and a corresponding lower connecting strip (10), the upper connecting strip (3) and the lower connecting strip (10) are bent leftwards respectively and welded to form an upper right shaft sleeve (1) and a corresponding lower right shaft sleeve (15), a square notch (6) convenient for the movable sleeve of the left shaft sleeve (4) to be sleeved on the outer diameter end of the middle part of the pin shaft (7) is formed between the bottom ends of the upper connecting strip (3) and the upper right shaft sleeve (1) and the top ends of the lower connecting strip (10) and the lower right shaft sleeve (15), and a plurality of right positioning holes (5) are uniformly distributed on the right-shaped positioning plate (8);
the diameter of the upper circular baffle (2) and the diameter of the lower circular baffle (12) are the same as the outer diameters of the left shaft sleeve (4), the right upper shaft sleeve (1) and the right lower shaft sleeve (15), the left shaft sleeve (4) is movably sleeved on the outer diameter end of the middle part of the pin shaft (7), and the right upper shaft sleeve (1) and the right lower shaft sleeve (15) are respectively sleeved on the outer diameter end of the pin shaft (7) between the top end of the left shaft sleeve (4) and the bottom end of the upper circular baffle (2) and between the bottom end of the left shaft sleeve (4) and the top end of the lower circular baffle (12);
the method is characterized in that: the middle part of the left end of the left shaft sleeve (4) is provided with a square cavity (22) which is welded and fixed together, the middle part of the top end of the square cavity (22) is provided with an integrally formed square protruding part (24), the left end of the square cavity (22) is provided with a square groove (23) for mounting a rack (19), the bottom wall thickness in the square groove (23) is provided with a guide groove (21) which is matched with a slide bar (20) at the bottom end of the rack (19) along the front and back central lines, the rack (19) is mounted in the square groove (23), the bottom end of the rack (19) extends downwards along the front and back central lines to form the slide bar (20), after the slide bar (20) is downwards inserted into the guide groove (21), the rack (19) can flexibly move in a left and right directional manner in the square groove (23), the bottom end of the square protruding part (24) is provided with an inverted U-shaped groove (26) for mounting a gear (25), the bottom end of the inverted U-shaped groove (26, the gear (25) is arranged in the inverted U-shaped groove (26) and meshed with the rack (19) and can flexibly rotate in the inverted U-shaped groove (26);
the gear (25) is sleeved and fastened on the outer diameter end of the rotating shaft (28), the wall thickness of the front end of the inverted U-shaped groove (26) is provided with a mounting hole (30) matched with the rotating shaft (28), and the rotating shaft (28) penetrates out of the hole opening of the mounting hole (30) forwards and then is integrated with the handheld part (29);
the right end of the rack (19) is provided with an integrally formed insert column (17), the diameter of the insert column (17) is the same as the front-back thickness of the rack (19), and the sum of the left length and the right length of the rack (19) and the insert column (17) is the same as the left length and the right length of the square groove (23);
the middle part of the left end of the left shaft sleeve (4) is provided with a round through hole (18) corresponding to the notch of the square groove (23), the middle part of the left end of the pin shaft (7) is provided with a round groove (16) corresponding to the round through hole (18), the axes of the round through hole (18) and the round groove (16) are the same as the axis of the inserting column (17), the inner diameters of the round through hole (18) and the round groove (16) are slightly larger than the diameter of the inserting column (17) but smaller than the upper and lower width of the rack (19), when the hand-held part (29) is twisted anticlockwise, the handheld part (29) drives the rotating shaft (28) to rotate anticlockwise, the rotating shaft (28) rotates anticlockwise to drive the gear (25) to rotate anticlockwise, the gear (25) rotates anticlockwise to drive the rack (19) to move rightwards, the rack (19) moves rightwards to drive the inserted column (17) to penetrate through the circular through hole (18) rightwards and then be inserted into the circular groove (16), and the pin shaft (7) and the left shaft sleeve (4) are movably fixed together;
the middle parts of the left ends of the upper right shaft sleeve (1) and the lower right shaft sleeve (15) are respectively provided with a first threaded hole (14), the left upper end and the left lower end of the pin shaft (7) are respectively provided with a second threaded hole (11) corresponding to the first threaded hole (14), the axis and the inner diameter of the first threaded hole (14) are respectively identical to those of the second threaded hole (11), a headless inner hexagonal bolt (13) is screwed into the first threaded hole (14) and then screwed into the second threaded hole (11), and the pin shaft (7) is tightly locked with the upper right shaft sleeve (1) and the lower right shaft sleeve (15).
2. The room door hinge capable of enhancing personal safety as claimed in claim 1, wherein the left hinge (27), the right hinge (9), the pin (7), the rack (19), the insert post (17), the gear (25), the rotating shaft (28) and the hand-held portion (29) are made of steel.
3. Door hinge according to claim 1, characterized in that the square cavity (22) and the square protrusion (24) are made of cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637530.4U CN212507860U (en) | 2020-08-10 | 2020-08-10 | Door hinge capable of enhancing personal safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637530.4U CN212507860U (en) | 2020-08-10 | 2020-08-10 | Door hinge capable of enhancing personal safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212507860U true CN212507860U (en) | 2021-02-09 |
Family
ID=74384337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021637530.4U Active CN212507860U (en) | 2020-08-10 | 2020-08-10 | Door hinge capable of enhancing personal safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212507860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230036589A1 (en) * | 2021-07-30 | 2023-02-02 | Airbus Americas, Inc. | Quick-release hinge devices, systems and methods |
-
2020
- 2020-08-10 CN CN202021637530.4U patent/CN212507860U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230036589A1 (en) * | 2021-07-30 | 2023-02-02 | Airbus Americas, Inc. | Quick-release hinge devices, systems and methods |
| US11927042B2 (en) * | 2021-07-30 | 2024-03-12 | Airbus Americas, Inc. | Quick-release hinge devices, systems and methods |
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