CN217581730U

CN217581730U - Flat-open fast-assembling folding screen window hinge

Info

Publication number: CN217581730U
Application number: CN202221241947.8U
Authority: CN
Inventors: 李志锋; 李志辉
Original assignee: Foshan Runchuang Technology Co ltd
Current assignee: Foshan Runchuang Technology Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-14
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a flat-open fast-assembling book type screen window hinge, including frame bottom plate, fagging, even board, fan bottom plate, fan fixed plate and clamp plate connect through fagging and even board between frame bottom plate and the fan bottom plate and form two rocker mechanisms, its characterized in that: frame bottom plate front end have a stand ear one, the rear end has a tail to collude, it is provided with a crescent boss to be close to stand ear one side, it is provided with an annular boss to be close to the tail and colludes one side, be provided with a D shape boss between crescent boss and the annular boss, the annular boss is located the central line of two parallel sides of bottom plate, a side of bottom plate is then close to D shape boss, be provided with cylindricality hole three on D shape boss and the annular boss, be provided with a b shape pit and awl post through-hole between D shape boss and the annular boss, also be provided with a b shape pit between crescent boss and the stand ear one, be provided with a cylindricality hole one in the b shape pit.

Description

Flat-open fast-assembling folding screen window hinge

Technical Field

The utility model relates to a be used for the door and window hinge, in particular to flat-open fast-assembling book type screen window hinge.

Background

Along with the experience that flat-open window screen is integrative, the frame fan flushes, pleasing to the eye convenient and deepen the people's mind, the collocation rationality of guardrail, screen window, glass fan is more and more outstanding. In the occasions of the screen window and the guardrail on the outer side of the indoor glass sash or the screen window and the guardrail on the inner side of the indoor glass sash, the opening angle is large only by using the hinge, and the three kinds of window sashes cannot interfere with each other. The hinges on the market are not convenient to disassemble and assemble, self-tapping screws are adopted for fixing, perforated sectional materials are easy to leak water and seep water to generate galvanic corrosion, the screws are easy to rust, loosen and lose efficacy, the fan is easy to fall, and the maintenance cost is high; or the quick assembly and disassembly can be realized, but the strength is not high, and the personal safety is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a flat-open fast-assembling folding screen window hinge for solve the not enough of prior art.

In order to solve the above problems, the technical solution of the present invention is:

a flat-open fast-assembling folding type screen window hinge comprises a frame bottom plate, a supporting plate, a connecting plate, a sash bottom plate, a sash fixing plate and a pressing plate, wherein the frame bottom plate and the sash bottom plate are connected through the supporting plate and the connecting plate to form a double-rocker mechanism, a first vertical lug is arranged at the front end of the frame bottom plate, a tail hook is arranged at the rear end of the frame bottom plate, a crescent boss is arranged on one side close to the first vertical lug, an annular boss is arranged on one side close to the tail hook, a D-shaped boss is arranged between the crescent boss and the annular boss and positioned on the central line of two parallel sides of the bottom plate, the D-shaped boss is close to one side of the bottom plate, a third column is arranged on the D-shaped boss and the annular boss, a b-shaped pit and a conical column through hole are arranged between the D-shaped boss and the annular boss, a b-shaped pit and a conical column through hole are also arranged between the crescent boss and the first vertical lug, a first conical column through hole is formed by a second column and a conical hole, a square pit is arranged at the front end of the b-shaped pit, a square hole is disconnected part, a locking lug is downwards formed by an inclined plane extending outwards, and a pin part is arranged on the other side of the b-shaped boss.

The fagging have two mutual parallel arrangement's last installation department and installation department down, go up the installation department and have a side plane one and a parallelogram hole down between the installation department, it has a cylinder hole four to go up on the installation department, the side of going up the installation department has a bird shape boss, the tip is an cambered surface one, there is a cylinder hole five on the installation department down, the tip of installation department has a cambered surface two and a cambered surface three down, cylinder hole five cooperates with the cylinder hole three on the D shape boss of frame bottom plate with one heart to through rivet connection.

The two end parts of the connecting plate are respectively provided with a cylindrical hole six and a cylindrical hole seven, the side part is provided with a side plane two and a side plane three, and the cylindrical hole seven is concentrically matched with the cylindrical hole three of the frame bottom plate and is connected through a rivet.

The fan bottom plate is of a Z-shaped structure, one end of the fan bottom plate is provided with an arrow-shaped concave arc surface, the other end of the fan bottom plate is provided with a triangular tail hook, two upright lugs II which are vertically upward are arranged on the front of the fan bottom plate, four arch bridge-shaped upright ribs I and a cylindrical hole nine are arranged between the upright lugs II and the triangular tail hook, one side of the fan bottom plate close to the arrow-shaped concave arc surface is provided with a cylindrical hole eight, and the back tail end of the triangular tail hook is also provided with an arch bridge-shaped upright rib II.

The fan fixing plate is of an L-shaped plate structure consisting of a first border material and a second border material, a cylindrical hole is formed in the first border material, the end portion of the first border material is provided with a fifth cambered surface, a first threaded hole is formed in the second border material, the lateral portions of the second border material are provided with four lateral planes in parallel, and screws are installed in the first threaded holes.

The pressing plate is provided with a plane IV, the parts of two side parts of the plane IV extend upwards to be provided with a plane III, two circular cylindrical steps IV are arranged on the plane IV and between the plane III, the centers of the cylindrical steps IV are provided with threaded holes II, and jackscrews are installed in the threaded holes II.

The cylindrical hole ten of the fan fixing plate is connected with the cylindrical hole four of the supporting plate through a rotating shaft.

The shaft hole installation positions between the frame bottom plate and the supporting plate, between the frame bottom plate and the connecting plate, between the fan bottom plate and the supporting plate, and between the fan bottom plate and the connecting plate are provided with nylon gaskets.

The locking pin is provided with a second plane, a ninth cylindrical step, a waist-shaped step, a fifth side plane, a straight groove and a second inner hexagonal sinking platform, wherein the plane of the lower end of the ninth cylindrical step is flush with the upper surface of the b-shaped pit of the frame bottom plate, and the waist-shaped step of the locking pin is concentrically assembled with the cylindrical hole.

The locking clamping piece is provided with a fifth plane, the lateral part is provided with two symmetrically arranged six cambered surfaces, a waist-shaped hole is formed in the fifth plane, a third inclined surface is formed by extending the fifth plane to the sixth cambered surface, and a triangular inclined lug is further arranged between the sixth cambered surfaces.

The utility model has the advantages that: the problem of present screen window guardrail hinge dismantle inconvenient, fall the fan easily is provided a fast-assembling quick-release and conceal safe hinge again, the utility model is used for between the frame fan, the frame adopts the locking clamping piece fixed, and the fan adopts the slide to push up tightly fixedly with the screw, and the installation is dismantled conveniently, and the clean nursing of the screen window of being convenient for, guardrail, movable part are whole to be the axle hole type cooperation, rotate in a flexible way, and the technology is ripe, and compact structure uses reliably, adopts rivet connection, has avoided defects such as welded easy fracture, not resistant intercrystalline corrosion.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is a schematic structural view of the frame bottom plate of the present invention;

FIG. 6 is a schematic view of the frame bottom plate structure of the present invention;

fig. 7 is a schematic view of a supporting plate structure of the present invention;

FIG. 8 is a schematic view of the connecting plate structure of the present invention;

fig. 9 is a schematic view of the structure of the fan bottom plate of the present invention;

fig. 10 is a schematic view of the structure of the fan bottom plate of the present invention;

FIG. 11 is a schematic view of the fan fixing plate of the present invention;

fig. 12 is a schematic view of the screw structure of the present invention;

fig. 13 is a schematic view of the locking pin structure of the present invention;

fig. 14 is a schematic view of the structure of the pressing plate of the present invention;

fig. 15 is a schematic view of the locking clip of the present invention;

fig. 16 is a schematic view of the assembly of the locking clip and the section bar of the present invention;

fig. 17 is an assembly diagram of the fixing plate and the sectional material of the present invention.

In the figure: 1-frame bottom plate, 101-upright ear I, 102-tail hook, 103-crescent boss, 104-D boss, 105-annular boss, 106-b pit, 107-cylindrical hole I, 108-conical column through hole, 1081-cylindrical hole II, 1082-conical hole, 109-cylindrical hole III, 110-inclined plane I, 111-inclined ear, 114-cylindrical pit, 115-stop mark hole, 2-supporting plate, 201-cylindrical hole IV, 202-cylindrical hole V, 203-side plane I, 204-parallelogram hole, 205-bird boss, 206-arc surface I, 207-arc surface II, 208-arc surface III, 3-connecting plate, 301-cylindrical hole six, 302-side plane II, 303-cylindrical hole seven, 304-side plane III 4-fan bottom plate, 401-upright ear II, 402-arch bridge type stud I, 403-triangular tail hook, 404-concave arc surface, 405-arch bridge type stud II, 406-cylindrical hole eight, 407-cylindrical hole nine, 5-fan fixing plate, 501-cylindrical hole ten, 502-threaded hole I, 503-lateral plane four, 504-arc surface five, 505-plane I, 6-screw, 601-straight tooth knurled cylindrical surface, 602-cylindrical step I, 603-inner hexagonal sinking platform I, 7-rotating shaft, 8-rivet, 9-nylon gasket, 10-locking pin, 1001-plane II, 1002-cylindrical step nine, kidney-shaped step, 1003-lateral plane five, 1005-I-shaped groove, 1006-inner hexagonal sinking platform II, 11-pressing plate, 1101-plane three, 1102-cylindrical step ten, 1103-threaded hole two, 1104-plane four, 12-jackscrew, 13-locking clamping piece, 1301-plane five, 1302-cambered surface six, 1303-waist-shaped hole, 1304-inclined surface three, 1305-triangular inclined lug, 15-fan, 1501-fan blocking edge, 1502-fan C-shaped groove, 16-frame and 1601-frame C-shaped groove.

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 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 exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to the attached drawings 1-17, the utility model comprises a frame bottom plate 1, a supporting plate 2, a connecting plate 3, a fan bottom plate 4, a fan fixing plate 5 and a pressing plate 11, wherein the frame bottom plate 1 and the fan bottom plate 4 are connected through the supporting plate 2 and the connecting plate 3 to form a double-rocker mechanism, the front end of the frame bottom plate 1 is provided with a vertical lug I101, the rear end is provided with a tail hook 102, one side close to the vertical lug I101 is provided with a crescent boss 103, one side close to the tail hook 102 is provided with an annular boss 105, a D-shaped boss 104 is arranged between the crescent boss 103 and the annular boss 105, the annular boss 105 is positioned on the central line of two parallel side edges of the bottom plate 1, the D-shaped boss 104 is close to one side edge of the bottom plate 1, the D-shaped boss 104 and the annular boss 105 are provided with a cylindrical hole III 109, a b-shaped pit 106 and a conical column through hole 108 are arranged between the D-shaped boss 104 and the annular boss 105, a b-shaped pit 106 is also arranged between the crescent-shaped boss 103 and the first upright lug 101, a cylindrical hole I107 is arranged in the b-shaped pit 106, the conical column through hole 108 is composed of a cylindrical hole II 1081 and a conical hole 1082, the front end of the b-shaped pit 106 is a square hole, the square hole is disconnected, the disconnected part downwards forms an inclined lug 111, the first upright lug 101 is provided with an inclined plane I110 extending outwards, the locking pin 10 is installed in the b-shaped pit 106, and the locking clamping piece 13 is installed on the boss part on the other side of the b-shaped pit 106.

The fagging 2 last installation department 21 and the lower installation department 22 that have two mutual parallel arrangement, it has a side plane 203 and a parallelogram hole 204 to go up between installation department 21 and the lower installation department 22, it has a cylinder hole four 201 to go up on the installation department 21, the side of going up installation department 21 has a bird-shaped boss 205, the tip is an cambered surface 206, it has a cylinder hole five 202 to go up on the lower installation department 22, the tip of lower installation department 22 has a cambered surface two 207 and a cambered surface three 208, cylinder hole five 202 and the concentric cooperation of cylinder hole three 109 on the D shape boss 104 of frame bottom plate 1, and through connecting through rivet 8.

The two ends of the connecting plate 3 are respectively provided with a cylindrical hole six 301 and a cylindrical hole seven 303, the side part is provided with a side plane two 302 and a side plane three 304, and the cylindrical hole seven 303 is concentrically matched with the cylindrical hole three 109 of the frame bottom plate 1 and is connected through a rivet 8.

The fan bottom plate 4 is of a Z-shaped structure, one end of the fan bottom plate is provided with an arrow-shaped concave arc surface 404, the other end of the fan bottom plate is provided with a triangular tail hook 403, the front of the fan bottom plate is provided with two upright lugs 401 which vertically face upwards, four arch bridge-shaped upright ribs 402 and a cylindrical hole nine 407 are arranged between the upright lugs 401 and the triangular tail hook 403, one side of the fan bottom plate close to the arrow-shaped concave arc surface 404 is provided with a cylindrical hole eight 406, and the back tail end of the triangular tail hook 403 is also provided with an arch bridge-shaped upright rib two 405.

The fan fixing plate 5 is of an L-shaped plate structure consisting of a first edge material 505 and a second edge material 506, a cylindrical hole cross 501 is formed in the first edge material 505, an arc surface five 504 is formed in the end portion of the first edge material, a threaded hole first 502 is formed in the second edge material 506, two side portions of the second edge material 506 are provided with side planes four 503 in parallel, and screws 6 are mounted in the threaded holes first 502.

The pressing plate 11 is provided with a plane four 1104, a plane three 1101 extends from parts of two side parts of the plane four 1104 to the side, two circular cylindrical steps ten 1102 are arranged on the plane four 1104 and located between the plane three 1101, a threaded hole two 1103 is arranged in the center of each cylindrical step ten 1102, and a jackscrew 12 is installed in each threaded hole two 1103.

The cylindrical hole 501 of the fan fixing plate 5 is connected with the cylindrical hole four 201 of the supporting plate 2 through a rotating shaft 7.

And nylon gaskets 9 are arranged at the shaft hole installation positions between the frame bottom plate 1 and the supporting plate 2, between the frame bottom plate 1 and the connecting plate 3, between the fan bottom plate 4 and the supporting plate 2 and between the fan bottom plate 4 and the connecting plate 3.

The locking pin 10 is provided with a second plane 1001, a ninth cylindrical step 1002, a waist-shaped step 1003, a fifth side plane 1004, a straight-line groove 1005 and a second hexagonal sunken platform 1006, wherein the lower end plane of the ninth cylindrical step 1002 is flush with the upper surface of the b-shaped pit 106 of the frame bottom plate 1, and the waist-shaped step 1003 of the locking pin 10 is concentrically assembled with the first cylindrical hole 107.

The locking clamping piece 13 is provided with a five plane 1301, the side part of the locking clamping piece is provided with two symmetrically arranged cambered surfaces six 1302, a waist-shaped hole 1303 is formed in the five plane 1301, a three inclined surface 1304 is formed by extending the five plane 1301 to the cambered surfaces six 1302, and a triangular inclined lug 1305 is further arranged between the two cambered surfaces six 1302.

The front end of the frame base plate 1 is provided with a first upright lug 101, the rear end of the frame base plate 1 is provided with a tail hook 102, one side close to the first upright lug 101 is provided with a crescent boss 103, one side close to the tail hook 102 is provided with an annular boss 105, a D-shaped boss 104 is arranged between the crescent boss 103 and the annular boss 105, the annular boss 105 is positioned on the central line of two parallel sides of the base plate 1, the D-shaped boss 104 is close to one side of the base plate 1, the D-shaped boss 104 and the annular boss 105 are provided with a cylindrical hole III 109, a b-shaped pit 106 and a conical through hole 108 are arranged between the D-shaped boss 104 and the annular boss 105, a b-shaped pit 106 is also arranged between the crescent boss 103 and the first upright lug 101, the b-shaped pit 106 is provided with a cylindrical hole I107, the conical through hole 108 is composed of a cylindrical hole II 1081 and a conical hole 1082, the front end of the b-shaped pit 106 is a square hole, the square pit is broken, a broken part forms a bevel lug 111 downwards, the first upright lug 101 is provided with an inclined surface 110 extending outwards, and the crescent boss 103 and the boss 106 are arranged on the annular boss.

The large plane of the frame bottom plate 1 is flatly placed right above the frame 16, the upright lugs I101 are flatly placed against the side faces of the frame to form right angles to help positioning, the two cylindrical holes I107 are concentrically assembled with the cylindrical steps of the locking pin 10, the locking pin 10 is provided with a plane II 1001, a cylindrical step nine 1002, a waist-shaped step 1003, a side plane five 1004, a straight-line groove 1005 and an inner hexagonal sunken platform II 1006, the lower end plane of the cylindrical step nine 1002 is flatly attached to the upper surface of the b-shaped pit 106 of the frame bottom plate 1, the waist-shaped step 1003 of the locking pin 10 is concentrically assembled with the cylindrical holes I107, the top end of the waist-shaped step 1003 is provided with the cylindrical step, the cylindrical step nine 1002 flexibly rotates in the cylindrical hole I107, and the cylindrical step nine 1002 can limit the nylon gasket 9 on the locking clamping piece 13; the locking clamping piece 13 is provided with a five plane 1301, the side portion of the locking clamping piece is provided with two symmetrically arranged six cambered surfaces 1302, a waist-shaped hole 1303 is formed in the five plane 1301, an inclined surface three 1304 is formed in the five plane 1301 in a stretching mode towards the six cambered surfaces 1302, a triangular inclined lug 1305 is further arranged between the two six cambered surfaces 1302, the waist-shaped hole 1303 of the locking clamping piece 13 is concentrically matched with a waist-shaped step 1003 of the locking pin 10, the waist-shaped step 1003 pushes the locking clamping piece 13 to rotate around the central shaft of the locking pin 10 through the plane on the two sides, and the lowest end of the locking pin 10 is provided with a spherical pit which facilitates spin riveting. The nylon gasket 9 is convenient to flexibly rotate and reduces the friction force after being riveted tightly; the locking clamping piece 13 is arranged in the frame C-shaped groove 1601 of the frame 16, when the locking pin 10 is driven by the hexagonal key to rotate 90 degrees clockwise, the three inclined surfaces 1304 of the locking clamping piece 13 are smoothly screwed into the frame C-shaped groove 1601 of the frame 16, and the inclined surfaces are arc-shaped tangent surfaces and gradually become short along the clockwise direction, so that the locking clamping piece 11 clamps the section until no gap exists between the upper part and the lower part of the section, and two side surfaces of the locking clamping piece 13 in the length direction after being transversely cut are exactly overlapped with two sides of the frame C-shaped groove 1601 completely, and the locking clamping piece cannot rotate continuously. The triangular oblique ears 1305 are used for penetrating into the upper wall of the C-shaped groove 1601 of the frame and further helping to clamp and stop rotation. In the same way, the locking clamping piece can be unscrewed only by rotating the locking pin by 90 degrees counterclockwise, so that the aim of quick disassembly is fulfilled. When the side of the notch is overlapped with the side of the inclined lug 111 of the frame bottom plate 1, a cylindrical pit 114 and a stop mark hole 115 are arranged on the frame bottom plate 1 near 101, the straight groove 1005 of the locking pin 10 is just aligned with the cylindrical pit 114 of the frame bottom plate 1, and the stop mark hole 115 plays a role in indicating.

The bracing plate 2 is provided with an upper mounting part 21 and a lower mounting part 22 which are arranged in parallel, a first side plane 203 and a parallelogram hole 204 are arranged between the upper mounting part 21 and the lower mounting part 22, the upper mounting part 21 is provided with a fourth cylindrical hole 201, the side surface of the upper mounting part 21 is provided with a bird-shaped boss 205, the end part is provided with a first arc surface 206, the lower mounting part 22 is provided with a fifth cylindrical hole 202, the end part of the lower mounting part 22 is provided with a second arc surface 207 and a third arc surface 208, the arc surface 206 is a semicircular arc, the right side line is concave so as to avoid rubber strips when the window is opened at 90 degrees, the parallelogram hole 204 of the bracing plate 2 adopts the most popular semi-shearing forming process at present, the material plays a role to the maximum, the supporting and stressing effect of twice material thickness is generated by one time of material thickness, and the bending resistance of the bracing plate can even achieve the overlapping effect of two plates.

The five cylindrical holes 202 are concentrically matched with the three cylindrical holes 109 on the D-shaped boss 104 of the frame bottom plate 1 and are connected through rivets 8. The supporting plate 2 rotates around the center of the cylindrical hole five 202 to realize the opening and closing of the window. The crescent boss 103 on the frame bottom plate 1 can prevent the window sash from sinking when closed, the crescent boss 103 is an arc convex hull, friction can be effectively reduced, and the nylon gasket 9 is arranged between the supporting plate 2 and the frame bottom plate 1, so that the window sash has the effects of silence and flexible rotation.

Two ends of the connecting plate 3 are respectively provided with a cylindrical hole six 301 and a cylindrical hole seven 303, the side part is provided with a side plane two 302 and a side plane three 304, the side plane three 304 is contacted with the arc surface one 206 when the window is opened, the fan is in a 90-degree stop position, the side plane two 302 is contacted with the side plane one 203 when the fan is closed, and the window sash is flatly attached to the window frame. The cylindrical hole seven 303 is concentrically matched with the cylindrical hole three 109 of the frame bottom plate 1 and is connected with the frame bottom plate through a rivet 8, and the connecting plate 3 rotates around the center of the cylindrical hole seven 303 to realize the opening and closing of the window.

The fan bottom plate 4 is of a Z-shaped structure, one end of the fan bottom plate is provided with an arrow-shaped concave arc surface 404, the other end of the fan bottom plate is provided with a triangular tail hook 403, the front of the fan bottom plate is provided with two upright lugs 401 which are vertically upward, four arch bridge-shaped upright ribs 402 and a cylindrical hole nine 407 are arranged between the upright lugs 401 and the triangular tail hook 403, one side of the fan bottom plate, which is close to the arrow-shaped concave arc surface 404, is provided with a cylindrical hole eight 406, and the back tail end of the triangular tail hook 403 is also provided with an arch bridge-shaped upright rib two 405.

The horizontal plane of the fan-shaped C groove 1502 of the fan 15 is flush with the large plane of the fan bottom plate 4, when two vertical lugs two 401 are overlapped with the side face of the fan-shaped C groove 1502 of the fan 15, the fan fixing plate 5 can be conveniently inserted into the C groove of the fan to slide, the fan fixing plate 5 is of an L-shaped plate structure consisting of a first edge material 505 and a second edge material 506, the first edge material 505 is provided with a cylindrical hole ten 501, the end portion of the first edge material is provided with a cambered surface five 504, the second edge material 506 is provided with a threaded hole one 502, the side portions of the second edge material 506 are provided with two parallel side planes four 503, the threaded hole one 502 is internally provided with a screw 6, the two side planes four 503 of the first edge material 505 are arranged in the fan C groove and just form clearance fit with the two sides of the C groove, and the fan fixing plate 5 can easily slide in the fan-shaped C groove 1502 until the fan fixing plate is tightly propped by the screw 6. The screw 6 is an inner hexagonal straight-tooth knurled screw, and is provided with a straight-tooth knurled cylindrical surface I601, a threaded surface I602 and a hexagonal hole I603. The thread surface 602 is engaged with the first thread hole 502 of the fan fixing plate 5, and the purpose of straight tooth knurling is to facilitate hand screwing for quick assembly and quick disassembly. The fan fixing plates 5 are arranged one above the other, the upper side of each fan fixing plate is adjusted to be positioned, the hexagonal key is used for screwing the screw 6 to prop against the fan groove, and the lower side of each fan fixing plate is manually screwed by the screw 6 to be fixed in the fan groove. The arrow-shaped concave arc 404 is matched with the first inclined plane 110 of the frame bottom plate 1, and the two surfaces are almost attached after the window sash is closed, so that the anti-prying effect on the outside is achieved. Eight 406 of the cylindrical hole of the fan bottom plate 4 is in concentric fit with four 201 of the cylindrical hole of the supporting plate 2, nine 407 of the cylindrical hole of the fan bottom plate 4 is in concentric fit with six 301 of the cylindrical hole of the connecting plate 3, the four plates form a double-rocker mechanism, the frame bottom plate 1 is fixed on the frame and is fixed, and the fan bottom plate 4 drives the supporting plate 2 and the connecting plate 3 to move in a variable speed manner by opening or closing the window sash. Similarly, a nylon gasket is respectively arranged between the supporting plate 2 and the fan bottom plate 4 and between the connecting plate 3 and the fan bottom plate 4 and is positioned at the two concentric assembling positions, and the side surface of the arch bridge-shaped stud I402 of the fan bottom plate 4 is superposed with the side surface of the fan C groove 1502 of the fan 15, so that the fan 15 can freely slide on the fan bottom plate.

The pressing plate 11 is provided with a plane four 1104, a plane three 1101 extends upwards from the parts of two side parts of the plane four 1104, two circular cylindrical steps ten 1102 are arranged on the plane four 1104 and located between the plane three 1101, a threaded hole two 1103 is arranged in the center of each cylindrical step ten 1102, a jackscrew 12 is installed in each threaded hole two 1103, the plane three 1101 is overlapped with the bottom plane of the fan-shaped C groove 1502 of the fan 15 and can slide freely in the fan groove, and the threaded hole two 1103 of the pressing plate 11 is meshed with the jackscrew 12; the plane four 1104 is attached to the plane of the triangular tail hook 304 of the fan bottom plate 4, and the pressing plate can be fixed in the groove by screwing the jackscrew 12. The pressing plate 11 can prevent the fan from falling off due to an excessively large gap in the vertical direction.

Fagging 2 and even board 3 with fan bottom plate 4 through rivet 8 or axis of rotation riveted, play and connect and the pivoted effect, such four-bar linkage compact structure, it is nimble to rotate, realize 0 to 90 degrees freely opening and closure, owing to there is nylon gasket 9 to eliminate the friction sound between the metal sheet metal component, and open and close and feel, reach the silence effect, because the effect of sheltering from of fan flange 1501 of fan 15, a whole set of hinge is hidden invisible, aesthetic property when increasing the window and closing.

A pair of hinge components are fixed on a frame, a pressing plate 11 and a sash fixing plate 5 are fixed on a sash groove, an upper screw is fixed tightly, a lower screw is manually loosened, a sliding fixing plate can be separated from a rotating shaft, the sash fixing plate 5 can freely slide in the sash groove, the purpose of quickly assembling and disassembling the window sash is achieved, the window screen and the guardrail are convenient to clean, and the maintenance and the replacement of the window screen and the guardrail are easy and convenient.

The above-mentioned specific implementation mode is the preferred embodiment of the present invention, can not be to the utility model discloses prescribe a limit to, and any other does not deviate from the technical scheme of the present invention and the change or other equivalent replacement mode of doing all contain within the scope of protection of the present invention.

Claims

1. The utility model provides a flat-open fast-assembling book type screen window hinge, includes frame bottom plate, fagging, even board, fan bottom plate, fan fixed plate and clamp plate, connects through fagging and even board between frame bottom plate and the fan bottom plate and form two rocker mechanisms, its characterized in that: frame bottom plate front end have a stand ear one, the rear end has a tail to collude, it is provided with a crescent boss to be close to stand ear one side, it is provided with an annular boss to be close to the tail and colludes one side, be provided with a D shape boss between crescent boss and the annular boss, annular boss is located the central line of the two parallel sides of bottom plate, D shape boss then is close to a side of bottom plate, be provided with cylindricality hole three on D shape boss and the annular boss, be provided with a b shape pit and awl post through-hole between D shape boss and the annular boss, also be provided with a b shape pit between crescent boss and the stand ear one, be provided with a cylindricality hole one in the b shape pit, the awl post through-hole comprises cylindricality hole two and bell mouth, the front end of b shape pit is a quad slit, the disconnection part forms oblique ear downwards, be provided with an inclined plane one that extends to the outside on the stand ear, the fitting pin is installed to b shape pit, install the locking clamping piece on the opposite side boss part of b shape pit.

2. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: the fagging have two mutual parallel arrangement's last installation department and installation department down, go up the installation department and have a side plane one and a parallelogram hole down between the installation department, it has a cylinder hole four to go up on the installation department, the side of going up the installation department has a bird shape boss, the tip is an cambered surface one, there is a cylinder hole five on the installation department down, the tip of installation department has a cambered surface two and a cambered surface three down, cylinder hole five cooperates with the cylinder hole three on the D shape boss of frame bottom plate with one heart to through rivet connection.

3. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: the two end parts of the connecting plate are respectively provided with a cylindrical hole six and a cylindrical hole seven, the side part is provided with a side plane two and a side plane three, and the cylindrical hole seven is concentrically matched with the cylindrical hole three of the frame bottom plate and is connected through a rivet.

4. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: the fan bottom plate be a "Z" type structure, one end is provided with an arrow point shape concave arc face, the other end is provided with a triangle-shaped tail and colludes, its openly is provided with two perpendicular ascending hangers two, is provided with four arch bridge shape studs one and a cylindric hole nine between hangers two and the triangle-shaped tail collude, be close to arrow point shape concave arc face one side and be provided with a cylindric hole eight, the back tail end that the triangle-shaped tail colluded also is provided with an arch bridge shape stud two.

5. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: the fan fixing plate is of an L-shaped plate structure consisting of a first border material and a second border material, a cylindrical hole is formed in the first border material, the end portion of the first border material is provided with a fifth cambered surface, a first threaded hole is formed in the second border material, the lateral portions of the second border material are provided with four lateral planes in parallel, and screws are installed in the first threaded holes.

6. The flat-open quick-folding type screen window hinge according to claim 1, characterized in that: the pressing plate is provided with a plane IV, the parts of two side parts of the plane IV extend upwards to be provided with a plane III, two circular cylindrical steps VI are arranged on the plane IV and between the plane III, the center of each cylindrical step VI is provided with a threaded hole II, and a jackscrew is installed in the threaded hole II.

7. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: the cylindrical hole ten of the fan fixing plate is connected with the cylindrical hole four of the supporting plate through a rotating shaft.

8. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: and nylon gaskets are arranged at the shaft hole installation positions between the frame bottom plate and the supporting plate, between the frame bottom plate and the connecting plate, between the fan bottom plate and the supporting plate and between the fan bottom plate and the connecting plate.

9. The flat-open quick-folding type screen window hinge according to claim 1, characterized in that: the locking pin is provided with a second plane, a ninth cylindrical step, a waist-shaped step, a fifth side plane, a straight groove and a second inner hexagonal sinking platform, wherein the plane of the lower end of the ninth cylindrical step is flush with the upper surface of the b-shaped pit of the frame bottom plate, and the waist-shaped step of the locking pin is concentrically assembled with the cylindrical hole.

10. The flat-open quick-folding screen window hinge according to claim 1, characterized in that: the locking clamping piece is provided with a fifth plane, the lateral part is provided with two symmetrically arranged six cambered surfaces, a waist-shaped hole is formed in the fifth plane, a third inclined surface is formed by extending the fifth plane to the sixth cambered surface, and a triangular inclined lug is further arranged between the sixth cambered surfaces.