Sliding support hinge
Technical Field
The utility model relates to a door and window five metals technical field specifically indicates a sliding support hinge.
Background
The sliding support hinge is an important part in door and window hardware and is used for connecting a window sash and a window frame to enable the window to be opened and closed, strong bearing capacity is usually needed, and reliability, smoothness in matching, anti-theft performance and installation convenience of the sliding support hinge are all important factors for judging the quality of the sliding support. The traditional sliding support hinge structure is generally characterized in that a sliding rail is placed in a notch of a window frame and is locked and fixed through a screw, a supporting arm is only locked and fixed with the bottom edge of a window sash through a screw, the sliding support hinge of the structure is only fixed with the window sash and the window frame through screws, the bearing capacity is weak, the installation is not firm, in addition, the screw hole needs to be accurately unlocked in the notch of the window frame or the window sash during installation, the installation is complicated, and the error cannot be adjusted after the installation. In addition, the existing sliding blocks are mostly formed by overlapping all metals, all plastics or plastic and metal sheets, and the plastic sliding blocks are easy to wear due to poor bearing force and easy to fracture after long-term expansion with heat and contraction with cold; the metal sliding block has large noise, is easy to generate movement obstacle and has poor wear resistance; although the friction effect of the sliding block is improved in a short time by the plastic and metal overlapped sliding block, the respective defects of the two materials still appear after the sliding block is used for a long time, and the two materials are easy to loosen. In addition, the friction coefficient of the existing slide block is not convenient to adjust.
The utility model discloses a utility model with publication number CN207553820U discloses a side window hinge structure that opens door, and in its structure, horizontal guide (being the slide rail) is through screw locking in fixed window frame (being the window frame), and regulating block (being the casement fixed knot constructs) and L shape support (being the trailing arm) then through revolving fragment and movable window frame (being the casement) installation fixed. Although the bracket arm of the sliding support hinge structure is fixed with the bottom edge and the side edge of the window sash at the same time, the installation is firm and simple. There are some improvements that can be made: the sliding rail and the window frame are only fixed by screws, so that the bearing capacity of the sliding rail is weaker; the anti-theft device for preventing the window sash from being pried from the outside of the house needs to be additionally arranged, for example, a door and window back lock structure with the publication number of CN208518487U, the back lock structure is usually arranged in the middle of the side edge of the window sash, and a lock point can be provided for the side edge of the window sash. In addition, the rotating piece and the window sash are clamped and fixed, point contact is formed between the rotating piece and the window sash, the fixing surface is small, the rotating piece is only tightened and fixed by a single screw, support is lacked, looseness is easy to occur, and reliability is still to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple installation is reliable, bearing capacity is strong, easily adjust mounted position's friction stay hinge.
In order to achieve the above object, the utility model adopts the following technical scheme:
a sliding support hinge comprises a sliding rail, a sliding block, a supporting arm and a plurality of suspension arms, wherein the sliding block is in sliding fit with the sliding rail; a pressing strip is overlapped on the bottom surface of the sliding rail, and a locking and fixing screw is arranged between the sliding rail and the pressing strip; one side of the slide rail is provided with a first clamping groove clamped with a notch of a window frame, the side of the pressing strip corresponding to the first clamping groove is provided with a slope surface, the slide rail is provided with a butting part butted with the slope surface, and a second clamping groove is formed between the top surface of the other side of the pressing strip and the slide rail.
The top surface of the sliding rail is provided with a sliding groove, so that two sets of parallel guide rails are formed at the top of the sliding rail, the guide rails are in an inverted cone shape, the sliding block is in an open inverted cone shape and is in sliding fit with the outer walls of the two sets of guide rails, and the inner wall of the sliding block is fixedly attached with a wear-resistant sheet.
In one embodiment, the wear plate further has a sliding fastener part which is in sliding fit with the inner walls of the two sets of guide rails.
In one embodiment, one end of the sliding block is provided with an adjusting block which is in sliding fit with the inner walls of the two groups of guide rails, and the adjusting block is provided with an expansion screw for adjusting the expansion degree of the adjusting block.
In one embodiment, the abutting portion is a rib disposed along the length direction of the slide rail and near the top of the slope.
In one embodiment, the top surface of the pressing bar corresponding to the second clamping groove has a toothed surface.
In one embodiment, the first locking groove is located on the other side opposite to the bearing side of the sliding support hinge.
The utility model provides an implementation mode, still including locating the casement fixed knot of trailing arm proximal end portion constructs, casement fixed knot constructs including the vertical fixation in axle core on the trailing arm to and the installation body of the integrative structure of metal material, the installation body is located including the cover axle sleeve portion on the axle core, be used for with the fixed edge of casement the mounting panel and the edge that the axle core direction set up axle core direction and with the mounting panel is the buckle portion that the contained angle set up, when the casement was closed, buckle portion and window frame lock.
The utility model provides an embodiment, still including set up in parallel in mounting panel lateral surface centre gripping piece, thereby the centre gripping piece with thereby it is fixed with the notch centre gripping of casement to lock through the screw between the mounting panel, and the centre gripping piece still is equipped with the first holding screw of the notch bottom surface of butt casement.
In one embodiment, the buckling part, the mounting plate, the shaft sleeve part and the clamping piece are arranged in equal length, and the cross section of the buckling part is a cone with a small top and a large bottom.
In one embodiment, the top end of the rotating shaft part is further provided with a second set screw which abuts against the top end of the shaft core and is used for adjusting the height of the mounting body.
The beneficial effects are that: when the sliding rail and the pressing strip are locked by the screw, the slope surface of the pressing strip moves towards the other side and upwards simultaneously due to the abutting part, so that the second clamping groove clamps the notch of the window frame, the sliding rail and the pressing strip clamp the two sides of the notch of the window frame through the first clamping groove and the second clamping groove to realize mounting and fixing, the mounting contact surface of the sliding rail and the notch of the window frame is larger, and compared with the conventional fixed mode of locking the screw or the rotating sheet in a constant point contact manner, the mounting is firmer and more reliable, and the bearing capacity is stronger; the clamping fixing mode is adopted, a hole locking screw is not needed on the notch of the window frame, the pressing strip and the sliding rail are only required to be placed step by step during installation, then the screw is locked, the installation is simple and convenient, meanwhile, the installation position can be adjusted only by loosening the screw, and the installation and adjustment are simple and convenient.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a slide hinge according to an embodiment;
FIG. 2 is a schematic view of a structure of the slide rail, the slide block and the wear pad;
FIG. 3 is a schematic view of an exemplary embodiment of a mounting structure of a stay hinge and a window frame notch;
fig. 4 is an exploded view of a sash fastening structure in the embodiment;
fig. 5 is a simplified schematic view of the fastening structure of the sash and the frame when the sash is closed.
Wherein, 1, a slide rail; 11. layering; 111. a slope surface; 12. a screw; 13. a first card slot; 14. an abutting portion; 15. a second card slot; 151. a toothed surface; 16. a chute; 161. a guide rail; 2. a slider; 21. a wear resistant sheet; 211. a slide fastener portion; 22. an adjusting block; 221. an expansion screw; 3. a bracket arm; 4. a cantilever; 5. a sash fixing structure; 51. a shaft core; 52. an installation body; 521. a boss portion; 522. mounting a plate; 523. a fastening part; 53. a clamping piece; 531. a screw; 532. a first set screw; 54. a second set screw.
Detailed Description
The invention is further explained below with reference to the drawings:
it should be noted that the "notch" (i.e. C-shaped groove) in this disclosure refers to a mounting groove for mounting hardware of a window or a window on each side of a window sash or a window frame, and generally, an inner side wall of the mounting groove has an edge for clamping and fixing; the "inner side of the window frame" means the side of the window frame facing the inside of the house.
Referring to fig. 1 to 3, a sliding support hinge includes a sliding rail 1, a sliding block 2, a supporting arm 3 and a plurality of suspension arms 4, wherein the sliding block 2 is slidably fitted on the sliding rail 1, and the number and the hinge manner of the suspension arms 4 may be any known sliding support hinge structure; a pressing strip 11 is overlapped on the bottom surface of the slide rail 1, and a locking and fixing screw 12 is arranged between the slide rail 1 and the pressing strip 11; one side of the slide rail 1 is provided with a first clamping groove 13 clamped with a window frame notch, the side of the batten 11 corresponding to the first clamping groove 13 is provided with a slope surface 111, the slide rail 1 is provided with a butting part 14 butted against the slope surface 111, and a second clamping groove 15 is formed between the top surface of the other side of the batten 11 and the slide rail 1. When the sliding rail 1 and the pressing strip 11 are locked by the screw 12, the slope surface 111 of the pressing strip 11 moves towards the other side and upwards simultaneously due to the abutting part 14, so that the second clamping groove 15 clamps the notch of the window frame, the sliding rail 1 and the pressing strip 11 clamp the two sides of the notch of the window frame through the first clamping groove 13 and the second clamping groove 15 to realize installation and fixation, the installation contact surface of the sliding rail 1 and the notch of the window frame is larger, and compared with the existing equal-point contact fixing mode of locking screws or rotating pieces, the installation is firmer and more reliable, and the bearing capacity is stronger; the clamping fixing mode is adopted, no hole locking screws are needed on the notch of the window frame, the pressing strips 11 and the sliding rails 1 are only required to be placed step by step during installation, then the screws 12 are locked, the installation is simple and convenient, meanwhile, the installation position can be adjusted only by loosening the screws 12, and the installation and adjustment are simple and convenient.
In one embodiment, the sliding groove 16 is formed on the top surface of the sliding rail 1, so that two sets of parallel guide rails 161 are formed on the top of the sliding rail 1, the guide rails 161 are in an inverted cone shape, the sliding block 2 is in an open inverted cone shape and is in sliding fit with the outer walls of the two sets of guide rails 161, and the inner wall of the sliding block 2 is further fixedly attached with the wear-resistant sheet 21. Wear pad 21 pads are located between slide rail 1 and the slider 2, and the surface is wrapped up by metallic slider 2, has not only avoided direct friction between slider 2 and the slide rail 1, and wear pad 21 is difficult ageing moreover, has improved the friction effect and has prolonged life.
In one embodiment, the wear plate 21 further has a sliding part 211 slidably engaged with the inner walls of the two sets of guide rails 161. The sliding groove 16 enables the sliding rail 1 to form a structure of two groups of parallel guide rails 161, and compared with a structure of a single guide rail 161, the sliding rail is not easy to deflect and can slide more stably.
In one embodiment, an adjusting block 22 slidably engaged with the inner walls of the two sets of guide rails 161 is disposed at one end of the sliding block 2, and an expansion screw 221 for adjusting the expansion degree of the adjusting block 22 is disposed on the adjusting block. By adjusting the expansion screw 221, the outer circumference of the adjusting block 22 can be changed, so that the friction force between the adjusting block 22 and the sliding chute 16 can be adjusted, and the friction force of the sliding rail 1 can be adjusted.
In one embodiment, the abutting portion 14 is a rib disposed along the length direction of the slide rail 1 and near the top of the slope surface 111. The abutment 14 is configured as a ridge such that when the screw 12 is loosened, the ramp surface 111 can pivot about the abutment 14 and even snap away from the abutment 14, allowing the slide hinge to be quickly placed into and removed from the window frame slot, simplifying installation. Of course, the abutting portion 14 may have other forms, such as an inclined surface corresponding to the inclined surface 111, an arc surface, or the like.
In one embodiment, the top surface of the molding strip 11 corresponding to the second locking groove 15 has a toothed surface 151. The toothed surface 151 can enhance the friction force between the second locking groove 15 and the notch of the window frame, so that the pressing strip 11 is not easy to loosen.
In one embodiment, the first locking groove 13 is located on the other side opposite to the bearing side of the sliding support hinge. Due to the lever effect, the weight of the bearing side is mainly born through the first clamping groove 13, and compared with the second clamping groove 15 formed by clamping the pressing strip 11 and the sliding rail 1, the first clamping groove 13 integrally formed by the sliding rail 1 has stronger bearing capacity and can avoid bearing by the pressing strip 11 and the screw 12.
Referring to fig. 4 and 5, in an embodiment, the sliding support hinge further includes a sash fixing structure 5 disposed at a proximal end portion of the supporting arm 3, where the sash fixing structure 5 includes a shaft core 51 perpendicularly fixed to the supporting arm 3, and an installation body 52 made of a metal material and having an integral structure, the installation body 52 includes a shaft sleeve portion 521 sleeved on the shaft core 51, an installation plate 522 disposed along the shaft core 51 and used for fixing with a sash, and a fastening portion 523 disposed along the shaft core 51 and forming an included angle with the installation plate 522, when the sash is closed, the fastening portion 523 is fastened with the window frame, and the included angle between the installation plate 522 and the fastening portion 523 needs to be set according to a matching structure of the sash and the window frame, and is generally close to perpendicular to each other; the fastening portion 523 may be fastened to an inner side edge of the window frame or a C-groove of the window frame, and may be set according to window frames of different structures. The window sash fixing structure 5 is used for fixing and supporting the side edge of the window sash, so that the reliability and the bearing capacity of the sliding support are enhanced; the buckling part 523 is buckled with the window frame when the window sash is closed, so that the window sash can be effectively prevented from being pried from the outside of a house, the upper sliding support and the lower sliding support can provide two anti-theft locking points for the side edge of the window sash, the complexity of the sliding support structure is not increased, the back locking structure in the prior art is not required to be additionally arranged, the cost of door and window hardware is reduced, and the anti-theft effect is enhanced.
An embodiment, still include set up parallelly in mounting panel 522 lateral surface centre gripping piece 53, thereby the centre gripping piece 53 with thereby the notch centre gripping of casement is fixed through locking of screw 531 between the mounting panel 522, and the centre gripping piece 53 still is equipped with the first holding screw 532 of butt notch bottom surface of casement. The clamping piece 53 and the mounting plate 522 are arranged on two sides of the window sash in a clamping mode, the window sash is not required to be punched and mounted, the mounting position can be adjusted at any time, the fixing area is large, the clamping piece 53 is tightly pushed by the first set screw 532 through the bottom surface of the abutting joint groove, the clamping piece 53 is not prone to loosening, and therefore the window sash fixing structure 5 is firmer and more reliable.
In one embodiment, the fastening portion 523, the mounting plate 522, the sleeve portion 521, and the clamping piece 53 are equally arranged, and the cross section of the fastening portion 523 is a cone with a small top and a large bottom. The longer the structure is, the stronger the reliability is, the longer the structure is, the cost and the performance can be balanced to the utmost extent by arranging the structure in the same length, and the buckling part 523 is arranged in a tapered shape, so that the structure has strong support performance, is not easy to be pried off, and can enhance the anti-theft performance of the buckling part 523.
In one embodiment, the top end of the rotating shaft portion is further provided with a second set screw 54 abutting against the top end of the shaft core 51 and used for adjusting the height of the mounting body 52. The second set screw 54 is in threaded fit with the sleeve portion 521, and the bottom end of the second set screw is abutted, so that the mounting body 52 can be driven to move up and down when the second set screw is screwed, and fine adjustment of the height of the mounting body 52 is realized.
The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.