CN218815854U - Three-dimensional adjustable invisible hinge capable of being automatically switched between 90 degrees and 180 degrees - Google Patents

Abstract

The utility model discloses a but three-dimensional adjustable stealthy hinge that 90 and 180 switch by oneself includes the frame base, long piece, well piece, short piece and fan base, the other end of long piece is riveted with one end of adjusting a piece, the other end and the riveting of frame base of adjusting a piece, the screw has been seted up on the frame base, screw department installs the switching screw, the bottom of adjusting a piece is fixed with positioning convex block, the screw is located positioning convex block's rotation orbit, the one end of fan base is provided with the mount pad perpendicularly, be provided with on the mount pad and be used for three-dimensional adjustment mechanism. According to the hinge, the three-dimensional adjusting mechanism is arranged on the mounting seat on the fan base in a centralized manner, and the front and back, left and right, and up and down positions of the hinge can be adjusted by only opening the door and window by a certain angle, so that the hinge is convenient to operate. The hinge can be integrally installed as an upper hinge and a lower hinge, can realize the switching of the maximum opening angle between 90 degrees and 180 degrees, and can only open a certain angle of a door window and rotate the height of the position of a switching screw during the switching.

Description

Three-dimensional adjustable invisible hinge capable of being automatically switched between 90 degrees and 180 degrees

Technical Field

The utility model relates to an invisible hinge for door and window specifically is a three-dimensional adjustable invisible hinge that can 90 and 180 switch by oneself.

Background

The adjusting function of the invisible hinge on the market at present mainly comprises left-right adjustment and up-down adjustment, and the front-back, up-down and left-right three-dimensional adjustment are less. Although there is an invisible hinge capable of realizing three-dimensional adjustment, the corresponding adjusting structure adopts a split design, for example, the up-down adjusting structure and the left-right adjusting structure are installed on the fan base, the front-back adjusting structure is installed on the frame base, and the adjustment requires multiple operations at different positions, which is inconvenient. Moreover, the traditional front-back adjusting structure usually adopts an eccentric rivet, although the front-back adjustment can be realized by rotating and adjusting the eccentric rivet, the eccentric rivet can cause displacement in other directions of the hinge while realizing the front-back adjustment of the mounting position of the hinge, and the mounting and adjusting precision of the hinge is influenced. In addition, the invisible hinge has a 90 ° opening and a 180 ° opening according to the maximum opening angle, and the existing invisible hinge opened at 90 ° and the invisible hinge opened at 180 ° are generally two independent hinge sets, and once installed, the maximum opening angle is determined, and when the user wants to change the maximum opening angle, the hinge can only be replaced.

Disclosure of Invention

The utility model aims to solve the technical problem that, to prior art not enough, provide a three-dimensional adjustable stealthy hinge that can 90 and 180 switch by oneself.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees comprises a frame base, a long support piece, a middle support piece, a short support piece and a sash base, wherein the width of the frame base is matched with the width of a C-shaped groove on a door and window frame section, the width of the sash base is matched with the width of a C-shaped groove on a door and window sash section, one end of the short support piece is riveted with the sash base, the other end of the short support piece is riveted with one end of the middle support piece, the other end of the middle support piece is riveted with one end of the frame base, one end of the long support piece is riveted with the sash base through a long rivet, the middle part of the long support piece is riveted with the middle part of the middle support piece in a crossed manner, the other end of long branch piece and the one end riveting of an adjusting branch piece, the other end of adjusting branch piece with frame base riveting, frame base on seted up the screw, screw department install and switch the screw, the bottom of adjusting branch piece be fixed with the locating lug, the screw be located the rotating track of locating lug on, through adjusting the height of the position of switching the screw can realize the switching of the biggest opening angle of hinge between 90 and 180, the one end of fan base be provided with the mount pad perpendicularly, the mount pad on be provided with the three-dimensional adjustment mechanism who is used for adjusting the hinge around, about and from top to bottom the position.

The utility model discloses stealthy hinge is concentrated three-dimensional adjustment mechanism and is set up on the mount pad on fan base, only needs to open certain angle with door and window, can adjust convenient operation to the hinge around, about and position from top to bottom. The utility model discloses when stealthy hinge was as last hinge and lower hinge, all can carry out integral installation, simple to operate. When the door and window frame is installed, the sash bases of the upper hinge and the lower hinge are respectively inserted into the C-shaped grooves in the door and window sash section bars and are locked, and then the frame bases of the upper hinge and the lower hinge are respectively placed into the C-shaped grooves in the door and window frame section bars and are locked, so that the installation of the upper hinge and the lower hinge can be completed.

The utility model discloses stealthy hinge can realize the switching of the biggest opening angle between 90 and 180. When the switching is performed, the door and the window are opened by a certain angle (such as about 45 degrees), and the height of the position of the switching screw is rotated. When the upper end of the switching screw extends out of the screw hole and limits the rotation amplitude of the positioning lug, the hinge can be opened for 90 degrees at most; when the upper end of the switching screw extends into the screw hole and does not interfere with the rotation of the positioning lug, the hinge can be opened by 180 degrees at most.

Preferably, the upper part of the switching screw is a threaded section, the threaded section is in threaded connection with the screw hole, the top end of the threaded section is provided with an inner hexagonal hole, the bottom of the switching screw is provided with a limiting step, the bottom of the frame base is provided with a limiting surface matched with the limiting step, the switching screw is rotated, and when the switching screw rises to the position where the upper surface of the limiting step is in contact with the limiting surface, the maximum opening angle of the hinge is 90 degrees; when the switching screw descends to the position that the lower surface of the limiting step is in contact with the groove bottom of the C-shaped groove in the door and window frame section, the maximum opening angle of the hinge is 180 degrees. The switching screw can further improve the stability and reliability of the switching operation of the maximum opening angle of the hinge, and prevent unnecessary trouble caused by excessive operation of the rotary switching screw.

Preferably, the three-dimensional adjusting mechanism comprises a front-back adjusting screw, a left-right adjusting screw and an upper-lower adjusting screw which are respectively in threaded connection with the mounting seat, the front-back adjusting screw, the left-right adjusting screw and the upper-lower adjusting screw are provided with hexagon socket holes with the same size, the front-back adjusting screw penetrates through the front side surface of the mounting seat and abuts against the inside of the mounting seat, the left-right adjusting screw transversely penetrates through the mounting seat, a first mounting hole and a second mounting hole which are communicated up and down are formed in the mounting seat, the upper-lower adjusting screw is mounted in the first mounting hole, and the upper portion of the long rivet is located in the second mounting hole and faces the bottom end of the upper-lower adjusting screw. After the hinge is installed, the front and back adjusting screws are rotated, and the front and back adjusting screws are used for jacking the installation seat to realize front and back adjustment; rotating the left and right adjusting screws, and jacking the door and window sash section bars through the left and right adjusting screws to realize left and right adjustment; the up-down adjusting screw is rotated, and the long rivet is jacked through the up-down adjusting screw, so that up-down adjustment is realized. The position of the hinge is adjusted by adopting the front and back adjusting screw, the left and right adjusting screw and the up and down adjusting screw, and the hinge is simple in structure and convenient to operate. The front and back adjusting screws, the left and right adjusting screws and the up and down adjusting screws are provided with hexagon socket holes with the same size, so that the front and back, the left and right and the up and down adjusting operations can be conveniently carried out by adopting one wrench.

As preferred, the mount pad include pedestal and connecting seat, the integrative perpendicular setting of pedestal be in the one end of fan base, the connecting seat paste lean on the inboard of pedestal, the connecting seat on an organic whole be provided with the inserted sheet perpendicularly, the pedestal on seted up first slot and second slot, the inserted sheet insert locate first slot, the front side of pedestal pass around the adjusting screw the inserted sheet behind with the inner wall of first slot support and lean on, the screw head setting of controlling the adjusting screw be in the second slot in, the mount pad on seted up with the relative regulation hole in screw head position of controlling the adjusting screw, control the adjusting screw cross the connecting seat. The mounting seat is compact in structure, and is convenient for assembling and adjusting the front and back adjusting screws, the left and right adjusting screws and the up and down adjusting screws.

Preferably, the upper portion of connecting seat in the riveting have first unilateral stay, first unilateral stay be equipped with a first locking limit, the installation back, first locking limit be located the C type inslot on the door and window fan section bar and compress tightly the lateral wall that is close to the door and window fan outside in the C type groove on the door and window fan section bar. In the installation process of the door and window sash and the hinge, because the stress side of the first unilateral locking sheet deviates from the opening direction of the hinge, the first unilateral locking sheet has certain bearing effect, and the tilting of the sash base can be prevented.

Preferably, the frame base is provided with a sunken groove, the screw hole is formed in the groove, and the positioning bump extends into the groove. The design of recess is favorable to practicing thrift the space to play limiting displacement to the locating lug.

Preferably, the bottom of the frame base is a positioning arm matched with the width of a C-shaped groove on a door and window frame profile, and the positioning arm is arranged along the length direction of the frame base. During installation, the positioning arm is directly inserted into the C-shaped groove on the door and window frame section bar, and the hinge is subjected to certain acting force before being fixed on the door and window frame section bar, so that the convenience and firmness of installation are improved.

Preferably, the bottom of frame base riveted with the unilateral stay of second, the unilateral stay of second be equipped with a second locking limit, the installation back, the second locking limit be located C type inslot on the door and window frame section bar and compress tightly the lateral wall that is close to the door and window frame inboard in the C type groove on the door and window frame section bar. In the installation process of the door and window sash and the hinge, similar to the first single-side locking sheet, the stress side of the second single-side locking sheet deviates from the opening direction of the hinge, and the door and window sash has certain bearing and the effect of preventing the frame base from tilting.

Preferably, a positioning flap plate is integrally arranged on the upper side of the frame base, a positioning groove with an opening facing the middle support piece is arranged on the inner side of the positioning flap plate, and a part of edge of one end of the middle support piece extends into the positioning groove. After the door and window sash and the hinge are installed, in the process of opening and closing the window, the partial edge of one end of the middle support piece is always limited in the positioning groove, the bearing effect of the middle support piece can be ensured, the middle support piece is prevented from tilting, and the safety and the reliability of the use of the door and window are improved.

Preferably, the thickness of the long branch piece and the thickness of the middle branch piece are both 5mm, so that the hinge can be used in a high-load-bearing scene.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses can 90 with 180 three-dimensional adjustable stealthy hinges that switch by oneself on concentrating the mount pad that sets up on fan base with three-dimensional adjustment mechanism, only need open certain angle with door and window, can be to around the hinge, control and upper and lower position adjust convenient operation. The utility model discloses when stealthy hinge was as last hinge and lower hinge, all can carry out integral installation, simple to operate. When the door and window frame is installed, the sash bases of the upper hinge and the lower hinge are respectively inserted into the C-shaped grooves in the door and window sash section bars and are locked, and then the frame bases of the upper hinge and the lower hinge are respectively placed into the C-shaped grooves in the door and window frame section bars and are locked, so that the installation of the upper hinge and the lower hinge can be completed. In addition, the invisible hinge can realize the switching of the maximum opening angle between 90 degrees and 180 degrees, and only a door and a window are required to be opened by a certain angle (such as about 45 degrees) during switching, and the height of the position of the switching screw is rotated.

Drawings

FIG. 1 is an appearance diagram of an open state of a three-dimensional adjustable invisible hinge in an embodiment;

FIG. 2 is an external view of an opened state of the three-dimensional adjustable invisible hinge in the embodiment after the long support piece is removed;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an exploded view of an embodiment of a three-dimensional adjustable invisible hinge;

FIG. 5 is a top view of the three-dimensional adjustable invisible hinge of the embodiment shown when the hinge is opened 90 degrees;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a sectional view of the three-dimensional adjustable invisible hinge of the embodiment when folded;

FIG. 8 is an enlarged view at C of FIG. 7;

FIG. 9 is a view illustrating the three-dimensional adjustable invisible hinge of the embodiment shown in the figure, when the door or window is opened by 90 degrees;

fig. 10 is a state diagram of the door and window opened by 180 degrees after the three-dimensional adjustable invisible hinge is installed in the embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees of the embodiment is shown in figures 1-8 (the three-dimensional adjustable invisible hinge shown in the figures is a lower hinge), and comprises a frame base 1, a long support piece 2, a middle support piece 3, a short support piece 4 and a sash base 5, wherein the width of the frame base 1 is matched with the width of a C-shaped groove on a door and window frame section 91, the width of the sash base 5 is matched with the width of a C-shaped groove on a door and window sash section 92, the thicknesses of the long support piece 2 and the middle support piece 3 are both 5mm, one end of the short support piece 4 is riveted with the sash base 5, the other end of the short support piece is riveted with one end of the middle support piece 3, the other end of the middle support piece 3 is riveted with one end of the frame base 1, one end of the long support piece 2 is riveted with the sash base 5 through a long rivet 21, the middle of the long support piece 2 is riveted with the middle of the middle support piece 3 in a crossing manner, the other end of long branch piece 2 is riveted with the one end of an adjusting branch piece 6, the other end of adjusting branch piece 6 is riveted with frame base 1, screw 11 has been seted up on the frame base 1, screw 11 department installs switching screw 12, the bottom of adjusting branch piece 6 is fixed with locating lug 61, screw 11 is located locating lug 61's rotation orbit, sunken recess 13 has been seted up on the frame base 1, screw 11 is seted up in recess 13, locating lug 61 stretches into in the recess 13, can realize the switching of the biggest opening angle of hinge between 90 and 180 through the height of adjusting the position of switching screw 12, the one end of fan base 5 is provided with mount pad 51 perpendicularly, be provided with the three-dimensional adjustment mechanism who is used for adjusting the front and back of hinge, left and right sides and upper and lower position on the mount pad 51.

In this embodiment, the upper portion of the switching screw 12 is a threaded section 121, the threaded section 121 is in threaded connection with the screw hole 11, the top end of the threaded section 121 is provided with an inner hexagonal hole 122, the bottom of the switching screw 1 is provided with a limiting step 123, the bottom of the frame base 1 is provided with a limiting surface 17 matched with the limiting step 123, the switching screw 12 is rotated, and when the switching screw 12 rises to the position where the upper surface of the limiting step 123 contacts the limiting surface 17, the maximum opening angle of the hinge is 90 degrees; when the switching screw 1 descends to the point where the lower surface of the limit step 123 contacts the bottom of the C-shaped groove in the door and window frame profile 91, the maximum opening angle of the hinge is 180 °.

In this embodiment, the three-dimensional adjusting mechanism includes a front-back adjusting screw 71, a left-right adjusting screw 72, and an up-down adjusting screw 73, which are respectively in threaded connection with the mounting base 51, the front-back adjusting screw 71, the left-right adjusting screw 72, and the up-down adjusting screw 73 are provided with hexagon socket holes having the same size, the front-back adjusting screw 71 penetrates through the front side surface of the mounting base 51 and abuts against the mounting base 51, the left-right adjusting screw 72 crosses the mounting base 51, the mounting base 51 is provided with a first mounting hole 52 and a second mounting hole 53 which are communicated up and down, the up-down adjusting screw 73 is mounted in the first mounting hole 52, and the upper portion of the long rivet 21 is located in the second mounting hole 53 and faces the bottom end of the up-down adjusting screw 73.

In this embodiment, the mounting seat 51 includes a seat body 54 and a connecting seat 55, the seat body 54 is integrally and vertically disposed at one end of the fan base 5, the connecting seat 55 is attached to the inner side of the seat body 54, an inserting piece 56 is integrally and vertically disposed on the connecting seat 55, a first inserting slot 57 and a second inserting slot 58 are disposed on the seat body 54, the inserting piece 56 is inserted into the first inserting slot 57, a front and rear adjusting screw 71 passes through the front side surface of the seat body 54 and the inserting piece 56 and then abuts against the inner wall of the first inserting slot 57, a screw head of a left and right adjusting screw 72 is disposed in the second inserting slot 58, an adjusting hole 59 opposite to the screw head of the left and right adjusting screw 72 is disposed on the mounting seat 51, and the left and right adjusting screw 72 traverses the connecting seat 55.

In this embodiment, the upper portion of the connecting seat 55 is riveted with a first single-side locking piece 81, the first single-side locking piece 81 is provided with a first locking edge 82, and after installation, the first locking edge 82 is located in the C-shaped groove on the door and window sash section 92 and presses the side wall, close to the outer side of the door and window sash, of the C-shaped groove on the door and window sash section 92.

In this embodiment, the bottom of the frame base 1 is a positioning arm 14 adapted to the width of the C-shaped groove on the door and window frame profile 91, and the positioning arm 14 is disposed along the length direction of the frame base 1. The bottom of the frame base 1 is riveted with a second single-side locking sheet 83, the second single-side locking sheet 83 is provided with a second locking edge 84, and after the installation, the second locking edge 84 is positioned in a C-shaped groove on the door and window frame section 91 and compresses a side wall, close to the inner side of the door and window frame, of the C-shaped groove on the door and window frame section 91. The upper side of the frame base 1 is integrally provided with a positioning folded plate 15, the inner side of the positioning folded plate 15 is provided with a positioning groove 16 with an opening facing the middle support piece 3, and part of the edge of one end of the middle support piece 3 extends into the positioning groove 16.

After the three-dimensional adjustable invisible hinge is installed, the frame base 1 is fixed on a door and window frame section 91, the sash base 5 is fixed on a door and window sash section 92, the front and back adjusting screw 71 is rotated, and the mounting base 51 is jacked through the front and back adjusting screw 71 to realize front and back adjustment; the left and right adjusting screws 72 are rotated, and the door and window sash section bars 92 are pressed through the left and right adjusting screws 72 to realize left and right adjustment; the up-down adjustment screw 73 is rotated, and the long rivet 21 is pressed by the up-down adjustment screw 73, so that the up-down adjustment is realized. The effect of the three-dimensional adjustable invisible hinge as a lower hinge after being installed is shown in fig. 9 and 10.

The door and window is opened by a certain angle (for example, about 45 degrees), and the maximum opening angle of the hinge can be switched by rotating the height of the switching screw 12. When the upper end of the switching screw 12 extends out of the screw hole 11 and limits the rotation amplitude of the positioning bump 61, the upper surface of the limiting step 123 contacts with the limiting surface 17, and the hinge can be opened by 90 degrees at maximum, as shown in fig. 9; when the upper end of the switching screw 12 extends into the screw hole 11 and does not interfere with the rotation of the positioning lug 61, the lower surface of the limiting step 123 contacts with the bottom of the C-shaped groove on the door frame profile 91, and the hinge can be opened by 180 ° at maximum, as shown in fig. 10.

Claims (10)

1. A three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees comprises a frame base, a long support piece, a middle support piece, a short support piece and a sash base, wherein the width of the frame base is matched with the width of a C-shaped groove on a door and window frame section, the width of the sash base is matched with the width of a C-shaped groove on a door and window sash section, one end of the short support piece is riveted with the sash base, the other end of the short support piece is riveted with one end of the middle support piece, the other end of the middle support piece is riveted with one end of the frame base, one end of the long support piece is riveted with the sash base through a long rivet, the middle part of the long support piece is riveted with the middle part of the middle support piece in a crossed manner, and the three-dimensional adjustable invisible hinge is characterized in that, the other end of long branch piece and the one end riveting of an adjusting branch piece, the other end of adjusting branch piece with frame base riveting, frame base on seted up the screw, screw department install and switch the screw, the bottom of adjusting branch piece be fixed with the locating lug, the screw be located the rotating track of locating lug on, through adjusting the height of the position of switching the screw can realize the switching of the biggest opening angle of hinge between 90 and 180, the one end of fan base be provided with the mount pad perpendicularly, the mount pad on be provided with the three-dimensional adjustment mechanism who is used for adjusting the hinge around, about and from top to bottom the position.

2. The three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees according to claim 1, wherein the upper portion of the switching screw is a threaded section, the threaded section is in threaded connection with the screw hole, the top end of the threaded section is provided with a hexagon socket, the bottom of the switching screw is provided with a limiting step, the bottom of the frame base is provided with a limiting surface matched with the limiting step, the switching screw is rotated, and when the switching screw rises to the state that the upper surface of the limiting step is in contact with the limiting surface, the maximum opening angle of the hinge is 90 degrees; when the switching screw descends to the position that the lower surface of the limiting step is in contact with the groove bottom of the C-shaped groove in the door and window frame section, the maximum opening angle of the hinge is 180 degrees.

3. The three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees according to claim 1, wherein the three-dimensional adjusting mechanism comprises a front and rear adjusting screw, a left and right adjusting screw and an upper and lower adjusting screw which are respectively in threaded connection with the mounting seat, the front and rear adjusting screw, the left and right adjusting screw and the upper and lower adjusting screw are provided with hexagon socket holes with the same size, the front and rear adjusting screw penetrates through the front side surface of the mounting seat and abuts against the mounting seat, the left and right adjusting screw penetrates through the mounting seat, a first mounting hole and a second mounting hole which are communicated up and down are formed in the mounting seat, the upper and lower adjusting screw is mounted in the first mounting hole, and the upper part of the long rivet is located in the second mounting hole and faces the bottom end of the upper and lower adjusting screw.

4. The three-dimensional adjustable invisible hinge capable of being automatically switched between 90 degrees and 180 degrees as claimed in claim 3, wherein the mounting seat comprises a seat body and a connecting seat, the seat body is integrally and vertically arranged at one end of the fan base, the connecting seat is attached to the inner side of the seat body, an inserting piece is integrally and vertically arranged on the connecting seat, a first inserting groove and a second inserting groove are formed in the seat body, the inserting piece is inserted into the first inserting groove, a front adjusting screw and a rear adjusting screw penetrate through the front side surface of the seat body and the inserting piece and then abut against the inner wall of the first inserting groove, screw heads of the left adjusting screw and the right adjusting screw are arranged in the second inserting groove, an adjusting hole corresponding to the screw head position of the left adjusting screw and the right adjusting screw is formed in the mounting seat, and the left adjusting screw and the right adjusting screw transversely penetrate through the connecting seat.

5. The three-dimensional adjustable invisible hinge capable of being automatically switched between 90 degrees and 180 degrees as claimed in claim 4, wherein a first single-side locking piece is riveted on the upper portion of the connecting seat, the first single-side locking piece is provided with a first locking edge, and after the hinge is installed, the first locking edge is positioned in a C-shaped groove in the door and window sash section bar and presses a side wall, close to the outer side of the door and window sash, of the C-shaped groove in the door and window sash section bar.

6. The three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees as claimed in claim 1, wherein a sunken groove is formed on the frame base, the screw hole is formed in the groove, and the positioning projection extends into the groove.

7. The three-dimensional adjustable invisible hinge capable of being automatically switched between 90 degrees and 180 degrees as claimed in claim 1, wherein the bottom of the frame base is a positioning arm matched with the width of a C-shaped groove on a door and window frame profile, and the positioning arm is arranged along the length direction of the frame base.

8. The three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees as claimed in claim 7, wherein a second single-side locking piece is riveted to the bottom of the frame base, the second single-side locking piece is provided with a second locking edge, and after the hinge is installed, the second locking edge is positioned in the C-shaped groove in the door and window frame profile and presses against the side wall, close to the inner side of the door and window frame, of the C-shaped groove in the door and window frame profile.

9. The three-dimensional adjustable invisible hinge capable of switching between 90 degrees and 180 degrees as claimed in claim 1, wherein a positioning flap is integrally provided on the upper side of the frame base, a positioning groove with an opening facing the middle support piece is provided on the inner side of the positioning flap, and a part of the edge of one end of the middle support piece extends into the positioning groove.

10. The three-dimensional adjustable invisible hinge capable of automatically switching between 90 degrees and 180 degrees as claimed in claim 1, wherein the thickness of each of the long branch piece and the middle branch piece is 5mm.

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