Hidden thick door hinge with adjustable speed

Abstract

The utility model discloses a hidden thick door hinge with adjustable speed, which is characterized in that a fixed plate component is arranged in a groove body arranged on a fixed side, and a door plate component is arranged in a groove body arranged on a door plate; the torsion spring is fixed to the first transmission piece of the door plate assembly, and torsion arms on the two sides of the torsion spring are clamped between the second transmission piece of the door plate assembly and the L-shaped connecting plate of the fixing plate assembly respectively. The damper is installed in the door plate assembly, the first transmission piece is in transmission connection with the piston end of the damper through the step buffering adjusting assembly, and the step buffering adjusting assembly can adjust the transmission stroke between the first transmission piece and the piston end in a step mode, so that the first transmission piece can trigger the piston end when rotating to different angles. Damping buffering is achieved when the door is closed to different angles. By means of the technical scheme, the adjustable function of triggering damping buffering when the distance between the door and the door is 10 degrees and 30 degrees can be achieved, the door opening and closing smooth effect is improved, and the hiding effect of the hinge is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting piece technical field especially relates to a adjustable hidden thick door hinge. BACKGROUND

[0002] With the continuous improvement of people's furniture use experience requirements, as the important part of connecting cabinet body and door panel, the performance and structure design of hinge are paid more and more attention. Modern home design pursues simple and beautiful, function rich and high quality use experience, which puts forward higher requirements on the size, appearance and function of hinge.

[0003] Most of the traditional hinges adopt exposed design, although simple in structure, but the appearance after installation is more conspicuous, it is difficult to meet the requirement of furniture overall appearance. In addition, the buffering performance of traditional hinge is often single, usually single angle intervention buffering when closing the door, and the more delicate buffering control cannot be realized according to the different angles in the process of closing the door. For the problem that the compliance effect is inconsistent due to the change of door panel weight, the existing technology lacks the function of flexible adjustment, so that the closing speed and compliance performance are difficult to adapt to different use scenarios.

[0004] The existing hinge also has the problem of limited opening angle, most hinges are difficult to meet the special requirement range in the opening angle, which limits its application in different door panel thickness and installation conditions. For the scene that needs to install the hinge on the door panel with large thickness, the traditional hinge may cause the mutual impact between the door panels, further reducing the convenience and durability of use.

[0005] In view of the above problems, the market begins to appear the hinge with hidden design, but this kind of product often sacrifices the stability of structure and the diversity of function while realizing the hidden function, so that the service life and performance of the product are difficult to reach the ideal level. INVENTION CONTENTS

[0006] In view of the above problems, the utility model provides a hidden thick door hinge with adjustable speed, through the stepped adjusting mechanism of the stepped buffer adjusting assembly, the adjustable function of triggering damping buffer when 10 DEG and 30 DEG of distance closing door can be realized, the buffer effect can be selectively adjusted when the weight of door panel changes, through the double damping buffer structure of damper and torsion spring, the opening and closing compliance effect of door panel is effectively improved, the service life of hinge is improved, in addition, through the sunken installation mode of fixed plate assembly and door panel assembly, the hidden effect of the hinge is realized.

[0007] In order to realize the above purpose, the utility model provides a hidden thick door hinge with adjustable speed, which comprises: fixed plate assembly, door panel assembly, torsion spring, damper and transmission assembly.

[0008] The fixed plate assembly is installed in a groove provided on the fixed side, and the door plate assembly is installed in a groove provided on the door plate.

[0009] The spring body of the torsion spring is fixed to the first transmission piece of the door plate assembly, and the two side torsion arms of the torsion spring are respectively clamped between the second transmission piece of the door plate assembly and the L-shaped connecting plate of the fixed plate assembly.

[0010] The damper is installed in the door plate assembly, the first transmission piece is in transmission connection with the piston end of the damper through a stepped buffer adjusting assembly, the stepped buffer adjusting assembly can stepwise adjust the transmission stroke between the first transmission piece and the piston end, so that the first transmission piece can trigger the piston end when rotating to different angles during the closing process, so as to realize damping buffer when the door plate is closed to different angles.

[0011] In the above technical solution, preferably, the stepped buffer adjusting assembly comprises an adjusting sliding seat and a stepped adjusting piece, the adjusting sliding seat is slidingly installed in a sliding groove provided on the first transmission piece, the stepped adjusting piece is provided as a stepped structure on the high and low sides along the sliding direction of the sliding groove, the bottom of the adjusting sliding seat is in abutment with the stepped adjusting piece, and the stepped adjusting piece is in transmission connection with the piston end of the damper through a damper pushing seat;

[0012] During the closing process, the door plate can drive the stepped adjusting piece to rotate towards the first transmission piece under the action of the driving force, after the stepped structure abuts against the bottom of the adjusting sliding seat, the stepped structure can apply reverse pressure to the stepped adjusting piece, the stepped adjusting piece can apply pressure to the piston end of the damper through the transmission of the damper pushing seat, so that the door plate can realize the closing action under the damping buffer of the damper.

[0013] In the above technical solution, preferably, the stepped structure of the stepped adjusting piece adopts a preset specification, so that the door plate can trigger the damping buffer of the damper when the door plate is closed by 10° and 30°, respectively.

[0014] In the above technical solution, preferably, the torsion spring is installed in the two side mounting holes of one end of the first transmission piece through the mounting shaft, the other end of the first transmission piece is fixed relative to the door plate assembly through the fixed hole, and the vertical distance between the mounting hole and the door plate is closer to the inner side of the door plate by a preset distance, so that when the fixed hole end of the first transmission piece is perpendicular to the fixed plate assembly, the door plate is in an obtuse angle state relative to the fixed side.

[0015] In the technical scheme, preferably, the installation hole is 1mm closer to the inner side of the door plate than the fixing hole relative to the vertical distance of the door plate, so that the fixing hole of the first transmission piece is perpendicular to the fixed plate assembly, and the door plate is 93-95 degrees relative to the fixed side.

[0016] In the technical scheme, preferably, the fixed plate assembly further comprises a connecting plate support seat, a first connecting plate and a connecting seat.

[0017] The connecting plate support seat adopts a hollow slot structure, the L-shaped connecting plate, the first connecting plate and the connecting seat are sequentially stacked in the connecting plate support seat from outside to inside relative to the fixed side, the connecting plate support seat is fixed in the groove of the fixed side where the door plate is to be installed, and is fixed through a fastening screw.

[0018] The L-shaped connecting plate and the first connecting plate are provided with adjusting holes at corresponding preset positions, and the first connecting plate is hingedly connected to the L-shaped connecting plate through left and right adjusting shafts.

[0019] The connecting seat is fixed to the connecting plate support seat through connecting nails, and the connecting seat is provided with back stitch adjusting screws, left and right adjusting screws and up and down adjusting screws at positions corresponding to the adjusting holes.

[0020] In the technical scheme, preferably, the door plate assembly further comprises a door plate hinge seat, a damping fixing seat and a damping support seat.

[0021] The door plate hinge seat is embeddedly fixed with the damping fixing seat and is fixed in the groove of the door plate.

[0022] Two groups of dampers are respectively installed in the grooves on the two sides of the inside of the damping fixing seat, the rear end of the damping cylinder of the damper is supported through the damping support seat, the piston ends of the two dampers are respectively fixed to the two sides of the damping pushing seat, the damping pushing seat abuts against the stepped adjusting piece, and the stepped adjusting piece abuts against the adjusting slide.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] (1) The stepped adjusting mechanism of the stepped buffer adjusting assembly can realize the adjustable function of triggering damping buffer when the door is closed by 10 degrees and 30 degrees, and can selectively adjust the buffer effect when the weight of the door plate changes.

[0025] (2) The double damping buffer structure of the damper and the torsion spring effectively improves the softness of the door plate when opening and closing the door, significantly improves the stability and use experience of the door plate opening and closing process, and prolongs the service life of the hinge.

[0026] (3) through the improvement of the transmission structure between the fixed plate assembly and the door plate assembly, the door opening angle can reach 93-95 degrees, so that the hinge can be installed with 18-35mm thick door plate without collision, which expands the application range of the hinge and improves the versatility of the hinge;

[0027] (4) through the sinking installation mode of the fixed plate assembly and the door plate assembly, the stability of the hinge installation is improved, the hiding effect of the hinge is realized, the overall aesthetic appearance is improved, and the reliability and stability of long-term use of the hinge are improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's open and close door state schematic drawing;

[0029] Figure 2 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's explosion structure schematic drawing;

[0030] Figure 3 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's internal structure explosion schematic drawing;

[0031] Figure 4 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's internal structure schematic drawing in the open door state;

[0032] Figure 5 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's internal structure schematic drawing in the closed door state;

[0033] Figure 6 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's installation mode schematic drawing of first transmission sheet and second transmission sheet;

[0034] Figure 7 For an embodiment of the utility model discloses a hidden thick door hinge of adjustable speed's structure schematic drawing of step adjustment piece.

[0035] In the drawing, the corresponding relationship between each component and the reference numeral is:

[0036] 1, fixed plate assembly; 11, L-shaped connecting plate; 12, connecting plate support seat; 13, first connecting plate; 14, connecting seat; 141, connecting pot nail; 15, fastening screw; 16, left and right adjustment shaft; 17, back seam adjusting screw; 18, left and right adjusting screw; 19, up and down adjusting screw; 2, door plate assembly; 21, first transmission piece; 211, mounting hole; 212, fixing hole; 213, sliding groove; 22, second transmission piece; 23, adjusting sliding seat; 24, stepped adjusting piece; 25, damper pushing seat; 26, door plate hinge seat; 27, damping fixing seat; 28, damping support seat; 3, torsion spring; 4, damper; 5, fixed plate decorative cover; 6, door plate decorative cover; 7, fixed side; 8, door plate. DETAILED DESCRIPTION

[0037] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] The present application will be described in further detail below with reference to the drawings:

[0039] As Figures 1 to 3 shown, according to the adjustable hidden thick door hinge, comprising: fixed plate assembly 1, door plate assembly 2, torsion spring 3, damper 4 and transmission assembly;

[0040] The fixed plate assembly 1 is installed in the groove body opened in the fixed side 7, and the door plate assembly 2 is installed in the groove body opened in the door plate 8;

[0041] The spring body of the torsion spring 3 is fixed on the first transmission piece 21 of the door plate assembly 2, and the two sides of the torsion spring 3 are respectively clamped between the second transmission piece 22 of the door plate assembly 2 and the L-shaped connecting plate 11 of the fixed plate assembly 1;

[0042] The damper 4 is installed in the door plate assembly 2, the first transmission piece 21 is transmissionally connected with the piston end of the damper 4 through the stepped buffer adjusting assembly, the stepped buffer adjusting assembly can adjust the transmission stroke between the first transmission piece 21 and the piston end in steps, so that the first transmission piece 21 can trigger the piston end when rotating to different angles in the process of closing the door, so as to realize damping buffer when the door plate 8 is closed to different angles.

[0043] In the embodiment, the stepped buffer adjustment assembly can realize the adjustable function of triggering the damping buffer when the door is 10° and 30° away from being closed, and can selectively adjust the buffer effect when the weight of the door panel 8 changes. Through the double damping buffer structure of the damper 4 and the torsion spring 3, the opening and closing flexibility of the door panel 8 is effectively improved, and the service life of the hinge is improved. In addition, through the sunken installation mode of the fixed plate assembly 1 and the door panel assembly 2, the hiding effect of the hinge is realized.

[0044] In the implementation process, during the closing process, the door panel 8 starts to rotate under the triggering of the force. During the rotation process, the torsional force of the torsion spring 3 provides damping buffer for the closing of the door panel 8. When the door panel 8 rotates to a predetermined angle, the stepped buffer adjustment assembly triggers the piston end of the damper 4, and the damper 4 provides further damping buffer for the closing process of the door panel 8, so that the door panel 8 can be slowly closed.

[0045] As shown in Figure 4 and Figure 5 In the above embodiment, preferably, the stepped buffer adjustment assembly includes an adjustment slide 23 and a stepped adjustment piece 24. The adjustment slide 23 is slidingly installed in a sliding groove 213 provided on the first transmission plate 21. The stepped adjustment piece 24 is provided in a stepped structure on both sides of the sliding direction of the sliding groove 213. The bottom of the adjustment slide 23 abuts against the stepped adjustment piece 24. The stepped adjustment piece 24 is drivingly connected to the piston end of the damper 4 through a damper pusher 25.

[0046] During the closing process, the door panel 8 can drive the stepped adjustment piece 24 to rotate towards the first transmission plate 21 under the action of the driving force. After the stepped structure abuts against the bottom of the adjustment slide 23, the stepped structure can apply reverse pressure to the stepped adjustment piece 24. The stepped adjustment piece 24 can apply pressure to the piston end of the damper 4 through the transmission of the damper pusher 25, so that the door panel 8 can realize the closing action under the damping buffer of the damper 4.

[0047] In the above embodiment, preferably, the stepped structure of the stepped adjustment piece 24 is of a preset specification, so that the door panel 8 can trigger the damping buffer of the damper 4 when it is 10° and 30° away from being closed, respectively.

[0048] As shown in Figure 6 and Figure 7As shown in the above embodiment, preferably, the torsion spring 3 is installed in the two installation holes 211 on the two sides of one end of the first transmission plate 21 through the installation shaft, the other end of the first transmission plate 21 is fixed to the door plate assembly 2 through the fixing hole 212, the vertical distance of the installation hole 211 to the door plate 8 is closer to the inner side of the door plate 8 than the vertical distance of the fixing hole 212 to the door plate 8 by a preset distance, and when the end of the fixing hole 212 of the first transmission plate 21 is vertically fixed to the fixed plate assembly 1, the door plate 8 is in an obtuse angle state relative to the fixed side 7.

[0049] In this embodiment, the improvement of the transmission structure between the fixed plate assembly 1 and the door plate assembly 2 makes the installation plane of the door plate 8 outwardly inclined relative to the transmission plane of the transmission structure, so that the door opening angle can be in an obtuse angle state of the door plate 8 when the transmission structure is vertically opened. This design makes the hinge applicable to a thicker door plate 8 than the prior art without collision when opened.

[0050] In the above embodiment, preferably, the vertical distance of the installation hole 211 to the door plate 8 is closer to the inner side of the door plate 8 than the vertical distance of the fixing hole 212 to the door plate 8 by 1 mm, and when the end of the fixing hole 212 of the first transmission plate 21 is vertically fixed to the fixed plate assembly 1, the door plate 8 is in an obtuse angle state relative to the fixed side 7 by 93°-95°.

[0051] In the implementation process, the specific dimensions of the structure specification design and improvement can also be adjusted according to the actual situation.

[0052] In the above embodiment, preferably, the fixed plate assembly 1 further comprises a connecting plate support seat 12, a first connecting plate 13 and a connecting seat 14.

[0053] The connecting plate support seat 12 adopts a hollow slot structure, the L-shaped connecting plate 11, the first connecting plate 13 and the connecting seat 14 are sequentially stacked in the connecting plate support seat 12 from outside to inside relative to the fixed side 7, the connecting plate support seat 12 is fixed in the slot of the fixed side 7 to be installed on the door plate 8, and is fixed through the fastening screw 15.

[0054] The L-shaped connecting plate 11 and the first connecting plate 13 are provided with adjusting holes at corresponding preset positions, and the first connecting plate 13 is hingedly connected to the L-shaped connecting plate 11 through the left and right adjusting shafts 16.

[0055] The connecting seat 14 is fixed to the connecting plate support seat 12 through the connecting bolt 141, and the connecting seat 14 is provided with the back stitch adjusting screw 17, the left and right adjusting screws 18 and the up and down adjusting screws 19 at positions corresponding to the adjusting holes. In addition, the surface of the fixed plate assembly 1 is also provided with the fixed plate decorative cover 5.

[0056] In the above embodiment, preferably, the door plate assembly 2 further comprises a door plate hinge seat 26, a damping fixing seat 27 and a damping support seat 28.

[0057] The door plate hinge seat 26 is fixedly embedded with the damping fixed seat 27, and is fixed in the groove of the door plate 8;

[0058] The two groups of dampers 4 are respectively installed in the two groove slots on the inner sides of the damping fixed seat 27, the rear end of the damping cylinder of the damper 4 is supported through the damping support seat 28, the piston end of the two dampers 4 is respectively connected with the fixed sleeve on the two sides of the damping push seat, the damping push seat is in abutment with the stepped adjusting piece 24, the stepped adjusting piece 24 is in abutment with the adjusting slide seat 23. In addition, the surface of the door plate assembly 2 is also provided with the door plate decorative cover 6.

[0059] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A concealed heavy door hinge with adjustable speed, characterized in that, The application relates to a door closing device. The device comprises a fixed plate assembly, a door plate assembly, a torsion spring, a damper and a transmission assembly. The fixed plate assembly is installed in a groove on a fixed side, and the door plate assembly is installed in a groove on a door plate. The spring body of the torsion spring is fixed on a first transmission piece of the door plate assembly, and two torsion arms of the torsion spring are respectively clamped between a second transmission piece of the door plate assembly and an L-shaped connecting plate of the fixed plate assembly. The damper is installed in the door plate assembly, the first transmission piece is in transmission connection with a piston end of the damper through a stepped buffer adjusting assembly, the stepped buffer adjusting assembly can stepwise adjust the transmission stroke between the first transmission piece and the piston end, so that the first transmission piece can trigger the piston end when being rotated to different angles during the door closing process, and the damper buffer is realized when the door plate is closed to different angles.

2. The adjustable concealed door hinge of claim 1, wherein, The stepped buffer adjusting assembly comprises an adjusting sliding seat and a stepped adjusting piece, the adjusting sliding seat is slidingly installed in a sliding groove arranged on the first transmission piece, the stepped adjusting piece is arranged in a stepped structure on the high and low sides along the sliding direction of the sliding groove, the bottom of the adjusting sliding seat is in abutment with the stepped adjusting piece, and the stepped adjusting piece is in transmission connection with the piston end of the damper through a damper pushing seat. During the door closing process, the door plate can drive the stepped adjusting piece to rotate towards the first transmission piece under the action of a driving force, after the stepped structure is in abutment with the bottom of the adjusting sliding seat, the stepped structure can reversely press the stepped adjusting piece, the stepped adjusting piece can press the piston end of the damper through the transmission of the damper pushing seat, and the door plate can realize the door closing action under the damper buffer of the damper.

3. The adjustable concealed door hinge of claim 2, wherein, The stepped structure of the stepped adjusting piece adopts a preset specification, so that the door plate can trigger the damper buffer when being closed by 10 degrees and 30 degrees respectively.

4. The adjustable concealed thick door hinge of claim 1, wherein, The torsion spring is installed in two side mounting holes of one end of the first transmission piece through a mounting shaft, the other end of the first transmission piece is fixed relative to the door plate assembly through a fixing hole, and the vertical distance of the mounting hole relative to the door plate is closer to the inner side of the door plate by a preset distance than that of the fixing hole, so that when the fixing hole end of the first transmission piece is perpendicular to the fixed plate assembly, the door plate is in an obtuse angle state relative to the fixed side.

5. The adjustable concealed door hinge of claim 4, wherein, The vertical distance of the mounting hole relative to the door plate is closer to the inner side of the door plate by 1mm than that of the fixing hole, so that when the fixing hole end of the first transmission piece is perpendicular to the fixed plate assembly, the door plate is in an angle state of 93-95 degrees relative to the fixed side.

6. The adjustable concealed thick door hinge of claim 1, wherein, The fixed plate assembly further comprises a connecting plate support seat, a first connecting plate and a connecting seat. The connecting plate support seat adopts a hollow slot structure, the L-shaped connecting plate, the first connecting plate and the connecting seat are sequentially stacked in the connecting plate support seat from outside to inside relative to the fixed side, the connecting plate support seat is fixed in a groove on the fixed side where the door plate is to be installed, and is fixed through fastening screws. The L-shaped connecting plate and the corresponding preset position of the first connecting plate are provided with adjusting holes, and the first connecting plate is hinged to the L-shaped connecting plate through left and right adjusting pivots; The connecting seat is fixed to the connecting plate support seat through connecting nails, and the connecting seat is provided with back sewing adjusting screws, left and right adjusting screws and up and down adjusting screws at positions corresponding to the adjusting holes.

7. The adjustable concealed thick door hinge of claim 2, wherein, The door plate assembly further comprises a door plate hinge seat, a damping fixed seat and a damping support seat; The door plate hinge seat is embeddedly fixed with the damping fixed seat and is fixed in the groove of the door plate; Two groups of dampers are respectively installed in the two side grooves in the interior of the damping fixed seat, the rear end of the damping cylinder of the damper is supported through the damping support seat, the piston end of the two dampers is respectively connected with the two side fixed sleeves of the damping push seat, the damping push seat abuts against the stepped adjusting piece, and the stepped adjusting piece abuts against the adjusting slide.

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