CN212867229U - Friction hinge - Google Patents

Abstract

The utility model discloses a friction hinge, include: the clamping type mounting plate comprises a mounting plate body, wherein the mounting plate body is provided with a bulge part, a first convex clamping block is arranged on one side surface of the bulge part, and a first clamping interface is formed between the first clamping block and the end surface of the mounting plate body; the sectional shape of the sash mounting arm is matched with the shape of a sash groove of a sash so that the sash mounting arm can be inserted into the sash groove; a slider slidably disposed on the mounting plate body; one end of the first supporting arm is hinged with the sliding block, and the other end of the first supporting arm is hinged with the window sash mounting arm; and one end of the second support arm is hinged with the mounting plate body, and the other end of the second support arm is hinged with the window sash mounting arm. The utility model discloses a friction hinge, it can conveniently be installed, and it is consuming time to reduce the installation of hinge.

Description

Friction hinge

Technical Field

The utility model belongs to the technical field of the hinge, concretely relates to friction hinge.

Background

The existing friction hinge for doors and windows generally comprises a mounting plate, a long supporting arm, a short supporting arm, a window mounting arm and the like which are hinged with each other, wherein a sliding block is arranged on the mounting plate, and the structure is simpler.

The mounting panel is installed and is fixed with the window frame on the section bar of window frame, the section bar of window frame has the cross-section and is the slot of C type, the clamp splice that adopts the rectangle usually when fixed mounting panel is fixed, the minor face of rectangle clamp splice is less than the notch width of C type slot, the long limit of rectangle clamp splice is greater than the notch width of C type slot, during the installation, the below at the mounting panel is installed through the pin to the rectangle clamp splice, recycle the minor face of rectangle clamp splice and put into the C type slot of window frame, the rotation pin makes the long limit card of rectangle clamp splice fix in C type slot. By adopting the mode, at least 2 rectangular clamping blocks need to be installed, the direction of the short edge needs to be adjusted to enable the rectangular clamping blocks to enter the C-shaped groove when the rectangular clamping blocks are installed, then the pin is screwed to prevent the installation plate from being separated from the window frame, and the installation is time-consuming.

The window mounting arm needs another fixing plate, the fixing plate is firstly inserted into a groove of the section bar of the window sash and fixed by screws, and the window mounting arm and the fixing plate are fixed after the fixing plate is fixed. The fixing mode needs to fix the fixing plate firstly and then fix the window mounting arm, and the mounting is very inconvenient

Therefore, a new technique is needed to solve the problems of the prior art that the hinge is inconvenient to install and takes a long time.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem among the prior art, the utility model provides a friction hinge, it can conveniently be installed, and it is consuming time to reduce the installation of hinge.

The utility model adopts the following technical scheme:

a friction hinge, comprising:

the clamping type mounting plate comprises a mounting plate body, wherein a protruding part capable of being embedded into a window frame groove of a window frame to be mounted is arranged on one surface of the mounting plate body, and the length of the protruding part along the width direction of the window frame groove is smaller than the width of a notch of the window frame groove; a first clamping block protruding from one side face of the protruding portion is arranged, a first clamping interface is formed between the first clamping block and the end face of the mounting plate body, and the notch edge of the window frame groove can be clamped into the first clamping interface and fixed;

the sectional shape of the sash mounting arm is matched with the shape of a sash groove of a sash so that the sash mounting arm can be inserted into the sash groove and then fixedly connected with the sash after being inserted into the sash groove;

a slider slidably disposed on the mounting plate body;

one end of the first supporting arm is hinged with the sliding block, and the other end of the first supporting arm is hinged with the window sash mounting arm;

and one end of the second support arm is hinged with the mounting plate body, and the other end of the second support arm is hinged with the window sash mounting arm.

As the technical scheme of the utility model further improve, the mounting panel body the bellying with first fixture block is connected as an organic whole.

As a further improvement of the technical scheme of the utility model, the clamping type mounting plate further comprises a clamping block, the clamping block is rotatably connected with the mounting plate body, and the clamping block and the protruding part are positioned on the same side of the mounting plate body;

the length of the clamping block along the first direction of the clamping block is smaller than the width of the notch of the window frame groove;

the length of the clamping block along the second direction of the clamping block is greater than the width of the notch of the window frame groove and less than the width in the window frame groove;

the first direction and the second direction form an included angle.

As a further improvement of the technical scheme of the utility model, the grip block is the rectangle slice, the rectangle piece is equipped with two relative fillets.

As a further improvement of the technical scheme of the utility model, one end of the mounting plate body is provided with a bending part which bends towards the surface where the convex part is located;

the length of the bent part along the width direction of the window frame groove is smaller than the width of the notch of the window frame groove;

a side of the bending part is provided with a convex second clamping block, the second clamping block is connected with the end face of the mounting plate body in a clamped mode, and the notch edge of the window frame groove can be clamped into the second clamping opening and is fixed in the second clamping opening.

As the utility model discloses technical scheme's further improvement, the mounting panel body the kink with second fixture block is connected as an organic whole.

As a technical scheme of the utility model further improve, the protruding block tongue that is equipped with of length direction along self is followed to the one end of mounting panel body, the end of block tongue is to keeping away from the one side perk at bellying place.

As a further improvement of the technical scheme of the present invention, the clamped mounting plate further comprises a corner wrapping member, the corner wrapping member is fixed at one end of the mounting plate body and is located at a side away from the protruding portion, the corner wrapping member is provided with a bent flange, and an opening of a bent corner of the flange faces the other end of the mounting plate body;

an inserting arm is fixed on the sash mounting arm, the shape of one end of the inserting arm is matched with that of the bevel, the end of the inserting arm exceeds the tail end of the sash mounting arm, and when the friction hinge is closed, the inserting arm can be inserted into the bevel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the clamping type mounting plate, the first clamping block is arranged on the convex part, and the first clamping opening capable of clamping the groove opening edge of the window frame groove of the window frame is formed, so that the mounting plate can be directly installed and fixed on the window frame through the first clamping opening;

2. the utility model discloses an among the casement installation arm, its casement slot that can the disect insertion casement is fixed, need not to prepare the fixed plate in addition, has reduced the use amount and the installation operation volume of part, further simplifies the installation procedure, shortens the installation consuming time.

Drawings

The technology of the present invention will be further described in detail with reference to the accompanying drawings and detailed description:

FIG. 1 is an exploded view of the friction hinge of the present invention;

FIG. 2 is an overall assembly view of the friction hinge of the present invention;

FIG. 3 is a schematic view of the construction of a window frame;

fig. 4 is a structural schematic view of a window sash.

Reference numerals:

100-a snap-fit mounting plate; 101-a mounting plate body; 102-a boss; 103-a first fixture block; 104-a first card interface; 105-a clamping block; 106-a bending part; 107-a second cartridge; 108-a second card interface; 109-a chute; 110-latch; 111-cornerite; 112-a flange; 200-a sash mounting arm; 210-a socket arm; 300-a slide block; 400-a first support arm; 500-a second support arm; 600-window frames; 601-window frame groove; 602-notch edge; 700-window sash; 701-sash groove.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Referring to fig. 1 to 4, a friction hinge includes a snap-fit mounting plate 100, a window sash 700 mounting arm 200, a slider 300, a first support arm 400, and a second support arm 500.

The clamping type mounting plate 100 is used for being fixedly connected with a window frame 600, and comprises a mounting plate body 101, wherein one surface of the mounting plate body 101 is provided with a protruding part 102 which can be embedded into a window frame groove 601 of the window frame 600 to be mounted, the length of the protruding part 102 along the width direction of the window frame groove 601 is smaller than the width of a notch of the window frame groove 601, and the protruding part 102 and the notch are in clearance fit, namely, when the mounting plate is mounted, the protruding part 102 can be embedded into the groove of the window frame 600.

In order to fix the protruding portion 102 embedded in the window frame groove 601, a first protruding fixture block 103 is arranged on one side of the protruding portion 102, the first fixture block 103 and the end face of the mounting plate body 101 form a first clamping interface 104, the notch edge 602 of the window frame groove 601 can be clamped into the first clamping interface 104 and fixed, and the fixing of the protruding portion 102 and the window frame groove 601 is realized through the matching of the notch edge 602 of the window frame groove 601 and the first clamping interface 104.

Of course, in order to ensure that the clamping type mounting plate 100 is firmly connected with the window frame 600, the clamping type mounting plate 100 is also fixedly connected with the window frame 600 through screws, and the mounting plate body 101 is correspondingly provided with screw through holes.

The mounting plate body 101 is provided with a sliding groove 109 along a length direction thereof for the sliding of the slider 300, so that the friction hinge can be opened and closed, i.e., the window sash 700 is opened and closed with respect to the window frame 600.

Based on foretell structure, the utility model discloses an in the mounting panel, it has set up first fixture block 103 on bellying 102, has formed the first bayonet socket of notch limit 602 of window frame slot 601 that can chucking window frame 600 to make the mounting panel can directly fix on window frame 600 through this first bayonet socket installation, owing to adopt the mode of joint, its installation is more swift, and it is consuming time to have shortened the installation of mounting panel greatly.

The window sash 700 mounting arm 200 is used for being connected with a window sash 700, and is mounted at the bottom of a profile of the window sash 700, the cross-sectional shape of the window sash 700 mounting arm 200 is matched with the shape of a window sash groove 701 of the window sash 700, so that the window sash 700 mounting arm 200 can be inserted into the window sash groove 701, and the window sash 700 mounting arm 200 is fixedly connected with the window sash 700 after being inserted into the window sash groove 701. Based on the structure, the mounting arm 200 of the window sash 700 can be directly inserted into the window sash groove 701 of the window sash 700 for fixing without preparing an additional fixing plate, so that the use amount of parts and the mounting operation amount are reduced, the mounting steps are further simplified, and the mounting time is shortened.

Wherein the slider 300 is mounted on the sliding groove 109 of the mounting plate body 101 described above and can slide in the sliding groove 109 to enable the friction hinge to open and close, i.e., to open and close the window sash 700 with respect to the window frame 600. The slider 300 has three layers including two rubber layers and a metal layer, the two rubber layers are respectively disposed on two sides of the sliding slot 109 to provide damping force during sliding, and the metal layer is disposed on an outer surface of one of the rubber layers to support the sliding slot. The three are connected together by rivets.

One end of the first support arm 400 is hinged to the slider 300, and the other end is hinged to the mounting arm 200 of the window sash 700; one end of the second support arm 500 is hinged to the mounting plate body 101, and the other end is hinged to the mounting arm 200 of the window sash 700. The fourth form a hinge, and the window sash 700 is driven to open and close the window sash 700 and the window frame 600 by opening and closing the hinge.

Specifically, the mounting plate body 101, the protruding portion 102 and the first latch 103 are integrally connected, that is, the three are integrally formed, and are not connected through other components, so that the assembly is reduced, and the strength is ensured.

Preferably, the card-mounted mounting plate 100 further comprises a clamping block 105, the clamping block 105 is rotatably connected with the mounting plate body 101, the clamping block 105 and the protrusion 102 are located on the same side of the mounting plate body 101, so that when the protrusion 102 is inserted into the window frame groove 601, the clamping block 105 can be simultaneously installed into the window frame groove 601;

the length of the clamping block 105 along the first direction of the clamping block is smaller than the width of the notch of the window frame groove 601; the length of the clamping block 105 along the second direction is larger than the width of the notch of the window frame groove 601 and smaller than the width in the window frame groove 601; the first direction and the second direction form an included angle. That is, the clamping block 105 can be inserted into the window frame groove 601 in a certain direction, and when the long side of the clamping block 105 is rotated to the width direction of the notch of the window frame 600 after the angle is adjusted, the clamping block 105 cannot be taken out, so that the clamping block 105 is fixed in the window frame groove 601, and the stability of the connection between the mounting plate and the window frame 600 is further enhanced. This prior art of one step adoption, though in prior art, need spend more time when adopting a plurality of grip blocks 105 to fix, nevertheless in the utility model discloses in, the mode that has adopted first bayonet socket and notch limit 602 joint has been fixed, consequently only need to add a grip block 105 again and fix, increases a grip block 105 alone, still is shorter than the time that a plurality of grip blocks 105 spent among the prior art.

Specifically, the clamping block 105 is in a rectangular sheet shape, the rectangular sheet is provided with two opposite round corners so as to prevent the bevel edge of the rectangular sheet-shaped clamping block 105 from clamping the groove and preventing the groove from rotating, and the clamping block 105 has a long edge and a short edge; the length of the short edge is smaller than the width of the notch; the length of the long edge is larger than the width of the notch and smaller than the width in the groove. That is, the fixing or separation of the clamping block 105 from the groove can be achieved by rotating the clamping block 105.

Preferably, one end of the mounting plate body 101 is provided with a bending portion 106 bending toward the surface where the protrusion 102 is located. The length of the bending part 106 along the width direction of the window frame groove 601 is smaller than the width of the notch of the window frame groove 601, so that the bending part 106 can be inserted into the window frame groove 601; a side of the bending portion 106 is provided with a second protruding block 107, the second block 107 and the end surface of the mounting plate body 101 form a second clamping interface 108 therebetween, and the notch edge 602 of the window frame groove 601 can be clamped into the second clamping interface 108 and fixed. The second card interface 108 can further fix the mounting plate body 101 and the window frame 600, and ensure the stability of the mounting plate after installation, as the function and structure of the first card interface 104 in front are the same.

The mounting plate body 101, the bent portion 106 and the second latch 107 are integrally connected, that is, the mounting plate body, the bent portion 106 and the second latch 107 are integrally formed, and are not connected through other components, so that the assembly is reduced, and the strength is ensured.

Preferably, the protruding latch 110 that is equipped with of length direction of self is followed to the one end of mounting panel body 101, the end of latch 110 is to keeping away from the one side perk at bellying 102 place, and during the vertical slot of window frame section bar can be gone into to latch 110 when the window frame 600 is installed to the mounting panel, played the positioning action, and the terminal perk of latch 110 can avoid the window frame section bar of its sharp outside corner scratch bottom surface of in-process of installation, produces the mar, influences the outward appearance.

In addition, the clamping type mounting plate 100 further comprises a corner wrapping piece 111, the corner wrapping piece 111 is fixed at one end of the mounting plate body 101 and is located on the surface away from the protruding portion 102, the corner wrapping piece 111 is provided with a bent rib 112, and an opening of a bent corner of the rib 112 faces the other end of the mounting plate body 101.

An insertion arm 210 is fixed on the sash mounting arm 200, one end of the insertion arm 210 is matched with the folded corner in shape, and the end of the insertion arm 210 exceeds the tail end of the sash mounting arm 200, and when the friction hinge is closed, the insertion arm 210 can be inserted into the folded corner. The corner wrapping piece has the effect that after the window sash and the hinge are closed, the flanges of the corner wrapping piece shield the gap between the hinge and the window sash, so that other people are prevented from prying the hinge and the window through the gap.

Other contents of the friction hinge of the present invention are referred to in the prior art and will not be described herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims (8)

1. A friction hinge, comprising:

the clamping type mounting plate comprises a mounting plate body, wherein a protruding part capable of being embedded into a window frame groove of a window frame to be mounted is arranged on one surface of the mounting plate body, and the length of the protruding part along the width direction of the window frame groove is smaller than the width of a notch of the window frame groove; a first clamping block protruding from one side face of the protruding portion is arranged, a first clamping interface is formed between the first clamping block and the end face of the mounting plate body, and the notch edge of the window frame groove can be clamped into the first clamping interface and fixed;

the sectional shape of the sash mounting arm is matched with the shape of a sash groove of a sash so that the sash mounting arm can be inserted into the sash groove and then fixedly connected with the sash after being inserted into the sash groove;

a slider slidably disposed on the mounting plate body;

one end of the first supporting arm is hinged with the sliding block, and the other end of the first supporting arm is hinged with the window sash mounting arm;

and one end of the second support arm is hinged with the mounting plate body, and the other end of the second support arm is hinged with the window sash mounting arm.

2. The friction hinge according to claim 1, wherein: the mounting plate body, the bulge and the first fixture block are connected integrally.

3. The friction hinge according to claim 1, wherein: the clamping type mounting plate also comprises a clamping block, the clamping block is rotatably connected with the mounting plate body, and the clamping block and the protruding part are positioned on the same side of the mounting plate body;

the length of the clamping block along the first direction of the clamping block is smaller than the width of the notch of the window frame groove;

the length of the clamping block along the second direction of the clamping block is greater than the width of the notch of the window frame groove and less than the width in the window frame groove;

the first direction and the second direction form an included angle.

4. The friction hinge according to claim 3, wherein: the clamping block is in a rectangular sheet shape, and the rectangular sheet is provided with two opposite round corners.

5. The friction hinge according to claim 1, wherein: one end of the mounting plate body is provided with a bending part which bends towards one surface where the convex part is located;

the length of the bent part along the width direction of the window frame groove is smaller than the width of the notch of the window frame groove;

a side of the bending part is provided with a convex second clamping block, the second clamping block is connected with the end face of the mounting plate body in a clamped mode, and the notch edge of the window frame groove can be clamped into the second clamping opening and is fixed in the second clamping opening.

6. The friction hinge according to claim 5, wherein: the mounting plate body, the bending part and the second clamping block are connected integrally.

7. The friction hinge according to claim 5, wherein: the one end of mounting panel body is equipped with the block tongue along the length direction arch of self, the end of block tongue is to keeping away from the one side perk at bellying place.

8. The friction hinge according to claim 5, wherein: the clamping type mounting plate also comprises a corner wrapping piece, the corner wrapping piece is fixed at one end of the mounting plate body and is positioned on the surface far away from the protruding part, the corner wrapping piece is provided with a bent flange, and the opening of the bent angle of the flange faces the other end of the mounting plate body;

an inserting arm is fixed on the sash mounting arm, the shape of one end of the inserting arm is matched with that of the bevel, the end of the inserting arm exceeds the tail end of the sash mounting arm, and when the friction hinge is closed, the inserting arm can be inserted into the bevel.

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