Upturning folding door hinge
By designing a 135° flip-flip hinge and adjuster, the problem of insufficient flip angle of the upper folding door hinge is solved, achieving greater door opening and higher convenience for items to be picked up and placed.
Patent Information
- Application Number
- CN202421023821.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-11
AI Technical Summary
Commonly, the hinge flip angle between the upper door panel and the lower door panel of the folding door on the cabinet is less than 120°, resulting in a small opening width of the lower door panel, which affects the opening of the cabinet door and the convenience of items being taken and stored.
An upper folding door hinge is designed, and the flip angle of the hinge cup portion can reach 135°. Through the combined structure of the outer hinge arm, hinge seat portion and adjuster, the maximum flip angle of the hinge cup is limited, and the adjuster is provided to facilitate the Adjust the position and angle of the hinge to ensure a larger opening.
It achieves a larger opening range of the upper folding door and lower door panel, improves the convenience of items to be taken and stored, and enhances the efficiency of cabinet use.
Smart Images
Figure CN222253584U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an upward-folding door, in particular to a hinge on the upward-folding door used for connecting an upper door plate and a lower door plate. Background Art
[0002] The hinge angle of the hinge between the upper and lower door panels of common cabinet upward folding doors is generally less than 120°, resulting in a small opening width of the lower door panel, which in turn affects the opening of the entire cabinet door and is not conducive to taking and placing items. Utility Model Content
[0003] The utility model aims to provide a hinge for an upward-folding door with a larger rotation angle.
[0004] The utility model adopts the following technical solutions:
[0005] The hinge for an upward-flipping folding door comprises an outer hinge arm, a hinge cup portion arranged at the front of the outer hinge arm for connecting with a lower door panel, and a hinge seat portion arranged at the rear of the outer hinge arm for connecting with an upper door panel, the hinge cup portion comprising a front axle and a hinge cup, the front axle being transversely arranged in the front opening of the outer hinge arm and having its two ends respectively fixed on the groove walls on both sides of the outer hinge arm, the hinge cup comprising a cup body and a connecting arm convexly arranged at one end of the cup body in the center, the connecting arm being movably sleeved on the front axle so that the cup body can be flipped back and attached to the outer bottom surface of the front part of the outer hinge arm, or flipped forward and extended out in front of the outer hinge arm; a limit opening is provided at the top of the front end of the outer hinge arm for limiting the maximum flipping angle of the cup body to 135°.
[0006] As a preferred solution, the outer hinge arm is a bottom-opening U-groove member that penetrates front to back.
[0007] As a preferred solution, the hinge seat portion includes an inner hinge arm, a hinge seat and a hinge plate. The inner hinge arm is also a bottom-opening U-groove member that passes through from front to back. The inner hinge arm is movably embedded in the outer hinge arm above the hinge cup and partially exposed below the outer hinge arm. A rear axle is provided between the rear of the inner hinge arm and the rear of the outer hinge arm. The rear of the inner hinge arm is fixedly sleeved on the rear axle, and the rear axle is horizontally arranged in the rear opening of the outer hinge arm and the two ends are respectively rotatably arranged on the two side groove walls of the outer hinge arm to rotatably connect the rear of the outer hinge arm to the rear of the inner hinge arm.
[0008] As a preferred solution, the hinge seat is arranged below the inner hinge arm and its front end is inserted into the front undercuts arranged at the front ends of both sides of the inner hinge arm groove, and its rear end is locked and fixed to the rear of the inner hinge arm through a locking piece.
[0009] As a preferred embodiment, the locking piece is Y-shaped when viewed from the side and its three forks are respectively arranged as a support top end, a locking end and a handle end. The middle part of the support top end is movably sleeved on the rear shaft and the top support top inner top of the rear opening of the inner hinge arm. The locking end is buckled with the rear end of the hinge seat to press the hinge seat forward and fix it to the inner hinge arm, and the handle end is exposed outside the rear opening of the outer hinge arm and the inner hinge arm.
[0010] As a preferred solution, the hinge plate is arranged under the hinge seat and has supporting folded edges exposed from under the hinge seat symmetrically on the left and right sides of its bottom surface. The hinge plate is fixed in a slot provided on the bottom surface of the hinge seat by plugging its rear end into the slot. The hinge plate is also provided with a second mounting hole for connecting to the upper door panel, and a through hole exposing the second mounting hole is correspondingly provided on the hinge seat.
[0011] As a preferred solution, it also includes a first regulator for adjusting the pitch angle of the front part of the outer hinge arm, and the first regulator is arranged between the inner hinge arm and the outer hinge arm.
[0012] As a preferred solution, it also includes a second adjuster for adjusting the horizontal deflection angle of the front part of the outer hinge arm, and the second adjuster is arranged between the inner hinge arm and the outer hinge arm behind the first adjuster.
[0013] As a preferred solution, it also includes a third regulator for adjusting the distance between the hinge cup and the hinge plate, and the third regulator is arranged between the hinge seat and the hinge plate.
[0014] The hinge cup of the utility model can be turned up to 135 degrees, so that the lower door panel of the upward folding door can be opened to a greater extent, which is beneficial to improving the convenience of taking and placing items in the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of the overall structure of an embodiment of the utility model from a certain angle;
[0016] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the utility model from another angle;
[0017] Figure 3 It is an exploded view of the overall structure of an embodiment of the utility model;
[0018] Figure 4 It is a cross-sectional view of the overall structure of an embodiment of the utility model;
[0019] Figure 5 This is a schematic diagram of the use status of an embodiment of the utility model. DETAILED DESCRIPTION
[0020] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.
[0021] like Figure 1-4 As shown, the upward folding door hinge includes an outer hinge arm 10, a hinge cup portion 20 provided at the front of the outer hinge arm 10 for connecting with the lower door panel, and a hinge seat portion 30 provided at the rear of the outer hinge arm 10 for connecting with the upper door panel.
[0022] The outer hinge arm 10 is a bottom-opening U-groove member that penetrates from front to back.
[0023] The hinge cup portion 20 includes a front shaft 21 and a hinge cup 22. The front shaft 21 is horizontally arranged in the front opening of the outer hinge arm 10 and its two ends are respectively fixed on the groove walls on both sides of the outer hinge arm 10. The hinge cup 22 includes a cup body 22.1 and a connecting arm 22.2 centrally protruding at one end of the cup body 22.1. The cup body 22.1 is provided with a first mounting hole 22.11 for fixedly connecting with the lower door panel. The connecting arm 22.2 is movably sleeved on the front shaft 21 so that the cup body 22.1 can be turned back and attached to the outer bottom surface of the front part of the outer hinge arm 10, and turned forward and extended out of the front of the outer hinge arm 10; the front end top of the outer hinge arm 10 is provided with a limit opening 10.1 that limits the maximum turning angle of the cup body 22.1 to 135°.
[0024] The hinge seat portion 30 includes an inner hinge arm 31, a hinge seat 32 and a hinge plate 33, wherein:
[0025] The inner hinge arm 31 is also a bottom-opening U-groove member that passes through from front to back. The inner hinge arm 31 is movably embedded in the outer hinge arm 10 above the hinge cup 22 and partially exposed below the outer hinge arm 10. A rear shaft 34 is provided between the rear of the inner hinge arm 31 and the rear of the outer hinge arm 10. The rear of the inner hinge arm 31 is fixedly sleeved on the rear shaft 34. The rear shaft 34 is horizontally arranged in the rear opening of the outer hinge arm 10 and the two ends are rotatably arranged on the two side groove walls of the outer hinge arm 10 to rotatably connect the rear of the outer hinge arm 10 to the rear of the inner hinge arm 10.
[0026] The hinge seat 32 is arranged below the inner hinge arm 31 and its front end is inserted into the front undercut 31.1 arranged at the front ends of the two sides of the groove of the inner hinge arm 31, the middle part is buckled with the middle undercut 31.2 arranged in the middle of the two sides of the groove of the inner hinge arm 31 through the buckle hole 32.1 provided therein, and the rear end is locked and fixed to the rear part of the inner hinge arm 31 through a locking member 35; the locking member 35 is Y-shaped when viewed from the side and its three forks are respectively set as the support top end 35.1, the locking end 35.2 and the handle end 35.3, the middle part of the support top end 35.1 is movably sleeved with the rear shaft 35, and the top part supports the inner top of the rear opening of the inner hinge arm 31, the locking end 35.2 is buckled with the rear end of the hinge seat 32 to press the hinge seat 32 forward and fix it to the inner hinge arm 31, and the handle end 35.3 is exposed to the rear opening of the outer hinge arm 10 and the inner hinge arm 31 to facilitate unlocking the locking end 35.2.
[0027] The hinge plate 33 is arranged below the hinge seat 32 and has symmetrical supporting folded edges 33.1 exposed below the hinge seat 32 on the left and right sides of its bottom surface. The hinge plate 33 is fixed in a slot 32.2 provided on the bottom surface of the hinge seat 32 by plugging its rear end; the hinge plate 33 is also provided with a second mounting hole 33.2 for connecting with the upper door panel, and the hinge seat 32 is correspondingly provided with a through hole 32.3 exposing the second mounting hole 33.2.
[0028] The upward folding door hinge also includes a first adjuster 40 for adjusting the pitch angle of the front part of the outer hinge arm 10. The first adjuster 40 is arranged between the inner hinge arm 31 and the outer hinge arm 10. The first adjuster 40 includes a thin waist section 40.1 and a pressure block 40.2 and a threaded section 40.3 which are respectively arranged at both ends of the thin waist section 40.1 and are both thicker than the thin waist section 40.1. The thin waist section 40.1 is arranged in a first long hole 31.3 arranged in the front and rear direction at the top front end of the inner hinge arm 31. The pressure block 40.2 is clamped on the inner top wall of the inner hinge arm 31. The threaded section 40.3 is screwed into the screw hole 10.2 arranged on the top of the outer hinge arm 10 to fix the middle part of the outer hinge arm 10 to the front end of the inner hinge seat 31. The outer end surface of the threaded section 40.3 is provided with a first screwdriver groove.
[0029] The upward folding door hinge also includes a second adjuster 50 for adjusting the horizontal deflection angle of the front part of the outer hinge arm 10. The second adjuster 50 is arranged between the inner hinge arm 31 and the outer hinge arm 10 behind the first adjuster 40. The second adjuster 50 includes a first cylindrical head 50.1, a first thin column section 50.2 centrally arranged at one end of the first cylindrical head 50.1, and a first eccentric shaft 50.3 arranged at the other end surface of the first thin column section 50.2. The first thin column section 50.2 is clamped in a second long hole 10.3 arranged in the left and right direction at the top of the outer hinge arm 10, and the first eccentric shaft 50.3 is movably inserted in a first shaft hole 31.4 arranged at the top of the inner hinge arm 31. The first cylindrical head 50.1 exposes the second long hole 10.3 and a second screwdriver groove is arranged on its top surface.
[0030] The upward folding door hinge also includes a third adjuster 60 for adjusting the distance between the hinge cup 22 and the hinge plate 33. The third adjuster 60 is arranged between the hinge seat 32 and the hinge plate 33. The third adjuster 60 includes a second cylindrical head 60.1, a second thin column section 60.2 centrally arranged at one end of the second cylindrical head 60.1, and a second eccentric shaft 60.3 arranged at the other end surface of the second thin column section 60.2. The second thin column section 60.2 is clamped in a third long hole 32.4 arranged in the front-to-back direction on the hinge seat 32, and the second eccentric shaft 60.3 is movably inserted in a second axial hole 33.3 arranged on the hinge plate 32. The second cylindrical head 60.1 is exposed outside the third long hole 32.4 and a third screwdriver groove is arranged on its top surface.
[0031] When using, Figure 5As shown, the utility model is arranged between the upper door panel 71 and the lower door panel 72 of the upward folding door of the cabinet 70, and the hinge plate 33 is fixedly installed on the bottom of the board surface of the upper door panel 71 by means of screws, and the hinge cup 22 is fixedly installed on the top of the board surface of the lower door panel 72, so that the upper door panel 71 and the lower door panel 72 are folded and connected together. If the upper door panel 71 and the lower door panel 72 are not aligned in the front-to-back direction, the first adjuster 40 can be rotated with a screwdriver for adjustment; if the upper door panel 71 and the lower door panel 72 are not aligned in the left-to-right direction, the second adjuster 50 can be rotated with a screwdriver for adjustment; if the gap between the upper door panel 71 and the lower door panel 72 needs to be adjusted, the third adjuster 60 can be rotated with a screwdriver.
[0032] This embodiment is only used to illustrate the utility model and is not used to limit the scope of the utility model. In addition, it should be understood that after reading the content of the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to this application.
Claims
1. An upward folding door hinge, comprising an outer hinge arm, a hinge cup portion provided at the front of the outer hinge arm for connecting with a lower door panel, and a hinge seat portion provided at the rear of the outer hinge arm for connecting with an upper door panel, characterized in that: The hinge cup portion includes a front axle and a hinge cup. The front axle is horizontally arranged in the front opening of the outer hinge arm and its two ends are respectively fixed on the groove walls on both sides of the outer hinge arm. The hinge cup includes a cup body and a connecting arm convexly arranged at one end of the cup body in the center. The connecting arm is movably connected to the front axle so that the cup body can be turned back and attached to the outer bottom surface of the front part of the outer hinge arm, and turned forward and extended out in front of the outer hinge arm; a limit opening is provided at the top of the front end of the outer hinge arm to limit the maximum turning angle of the cup body to 135°.
2. The hinge for an upward folding door according to claim 1, characterized in that: The outer hinge arm is a bottom-opening U-slot member that penetrates front and back.
3. The hinge for an upward folding door according to claim 1, characterized in that: The hinge seat portion includes an inner hinge arm, a hinge seat and a hinge plate. The inner hinge arm is also a bottom-opening U-groove member that passes through from front to back. The inner hinge arm is movably embedded in the outer hinge arm above the hinge cup and partially exposed below the outer hinge arm. A rear axle is provided between the rear of the inner hinge arm and the rear of the outer hinge arm. The rear of the inner hinge arm is fixedly sleeved on the rear axle, and the rear axle is horizontally arranged in the rear opening of the outer hinge arm and the two ends are rotatably arranged on the two side groove walls of the outer hinge arm to rotatably connect the rear of the outer hinge arm to the rear of the inner hinge arm.
4. The hinge for an upward folding door according to claim 3, characterized in that: The hinge seat is arranged below the inner hinge arm, and its front end is inserted into the front undercuts arranged at the front ends of both sides of the inner hinge arm groove, and its rear end is locked and fixed to the rear part of the inner hinge arm through a locking piece.
5. The hinge for an upward folding door according to claim 4, characterized in that: The locking piece is Y-shaped when viewed from the side and its three forks are respectively arranged as a support top end, a locking end and a handle end. The middle part of the support top end is movably sleeved on the rear shaft and the top support top inner top of the rear opening of the inner hinge arm. The locking end is buckled with the rear end of the hinge seat to press the hinge seat forward and fix it to the inner hinge arm. The handle end is exposed outside the rear openings of the outer hinge arm and the inner hinge arm.
6. The hinge for an upward folding door according to claim 5, characterized in that: The hinge plate is arranged under the hinge seat and has supporting folded edges exposed from under the hinge seat symmetrically on the left and right sides of its bottom surface. The hinge plate is fixed in a slot provided on the bottom surface of the hinge seat by plugging its rear end into the slot. The hinge plate is also provided with a second mounting hole for connecting with the upper door panel, and a through hole exposing the second mounting hole is correspondingly provided on the hinge seat.
7. The hinge for an upward folding door according to claim 6, characterized in that: It also includes a first adjuster for adjusting the pitch angle of the front part of the outer hinge arm, and the first adjuster is arranged between the inner hinge arm and the outer hinge arm.
8. The hinge for an upward folding door according to claim 6, characterized in that: It also includes a second adjuster for adjusting the horizontal deflection angle of the front part of the outer hinge arm, and the second adjuster is arranged between the inner hinge arm and the outer hinge arm behind the first adjuster.
9. The hinge for an upward folding door according to claim 6, characterized in that: The invention also comprises a third regulator for adjusting the distance between the hinge cup and the hinge plate, wherein the third regulator is arranged between the hinge seat and the hinge plate.