Flap door hinge

Abstract

The utility model relates to a flap door hinge which comprises a fixed seat and a movable seat, a fixed hinge seat is arranged on the fixed seat, a hinge assembly is connected between the fixed hinge seat and the movable seat, and the hinge assembly comprises a hinge seat, a connecting rod and a swing arm. The rear end of the fixed hinge seat is movably hinged to the rear end of the hinge seat through a connecting rod, a movable hinge seat is arranged in the middle of the hinge seat, and the movable hinge seat is movably hinged to the front end of the fixed hinge seat through a swing arm; a transverse adjusting structure and a longitudinal adjusting structure are arranged at the front end of the hinge seat, an adjusting matching part matched with the transverse adjusting structure is arranged on the movable seat, and the longitudinal adjusting structure acts on and abuts against the movable seat; when the hinge is installed, the position of the flap door can be flexibly adjusted, so that the flap door can be tightly matched with the cupboard, and the quality and the grade of the cupboard are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge field, concretely is a kind of flap door hinge. BACKGROUND

[0002] Chinese patent document No. CN 211900170 U disclosed a kind of quick disassembly type door and window hinge on November 10, 2020.It includes fixed seat and movable seat, fixed seat and movable seat are connected by hinging seat, the hinging seat includes card station and plugboard, plugboard is inserted into the positioning slot of fixed seat, the upper end of plugboard is recessed and provided with insertion slot, a bolt passes through the positioning hole of fixed seat and is clamped in insertion slot, hinging seat is connected and fixed with fixed seat, when cabinet is installed using the above structure, fixed seat is fixed in cabinet body, movable seat is used to connect flap door, but the hinge of prior art in installation process, flap door appears not to be installed in place, cause the gap between flap door and cabinet body too big, or when flap door is askew, the content disclosed in prior art has not solved the above problem, still there is partial defect, so the hinge of present further improvement is needed. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned problems of prior art, and provides a kind of flap door hinge with simple and reasonable structure.

[0004] A kind of flap door hinge, including fixed seat and movable seat, fixed seat is equipped with fixed hinging seat, hinging seat is connected with the movable seat between fixed hinging seat, the hinging seat includes hinge seat, connecting rod and swing arm;The rear end between fixed hinging seat rear end and hinge seat is hingedly connected by connecting rod, the middle of hinge seat is equipped with movable hinging seat, movable hinging seat is hingedly connected with the front end between fixed hinging seat, and the front end of hinge seat is equipped with transverse adjusting structure and longitudinal adjusting structure, the adjusting cooperation part that movable seat is equipped with with transverse adjusting structure cooperation, longitudinal adjusting structure acts on the resistance on movable seat.

[0005] The purpose of the utility model can also be solved by the following technical measures:

[0006] As a more specific scheme, the transverse adjusting structure includes the adjusting through slot of U type and locking screw;The adjusting through slot is opened in the front end of hinge seat;The adjusting cooperation part includes the first threaded hole opened in movable seat, by locking screw through adjusting through slot and first threaded hole, make the front end of hinge seat lock and connect on movable seat.

[0007] As a further scheme, the hinge seat is equipped with step surface along the edge of adjusting through slot, and the step surface is equipped with head blocking part on the opposite side of adjusting through slot opening.

[0008] As a further solution, the lateral adjustment structure further comprises anti-skid teeth arranged on the bottom surface of the front end of the hinge seat; and the adjustment matching part further comprises an anti-skid rack arranged on the movable seat and engaged with the anti-skid teeth.

[0009] As a further solution, the longitudinal adjustment structure comprises a second threaded hole and an adjustment screw, the second threaded hole is arranged on the rear side of the adjustment slot, and the adjustment screw is connected with the second threaded hole to form a screw rod matching part, and the bottom end of the adjustment screw selectively abuts against the adjustment screw.

[0010] As a further solution, the fixed seat is provided with a first accommodating chamber which is oppositely open, the fixed hinge seat is arranged in the first accommodating chamber, the movable seat is provided with a second accommodating chamber which is oppositely open, the hinge assembly is accommodated between the first accommodating chamber and the second accommodating chamber, and the hinge assembly does not protrude from the first accommodating chamber and the second accommodating chamber in the unfolded state.

[0011] As a further solution, the front end of the hinge seat is provided with two latch parts, the adjustment slot is defined between the two latch parts, the side wall of the second accommodating chamber is provided with an avoiding opening corresponding to the end side of the two latch parts, and the anti-skid teeth are arranged in two groups which are symmetrically arranged on the bottom surface of the two latch parts.

[0012] As a further solution, the connecting rod is arranged in two, the two connecting rods are arranged at an outer side and are spaced apart, the fixed hinge seat is provided with a first stop end surface which abuts against or avoids the connecting rod, the swing arm is arranged in two, the two swing arms are arranged at an inner side and are spaced apart, and the bottom surface of the movable hinge seat is provided with a second stop end surface which abuts against or avoids the swing arm.

[0013] As a further solution, the fixed hinge seat comprises a lower hinge seat and an upper hinge seat, the lower hinge seat and the upper hinge seat are arranged at the rear end and the front end of the fixed hinge seat respectively.

[0014] One end of the connecting rod is connected with a first hinge shaft, the lower hinge seat and the fixed seat are throughly provided with a first hinge hole connected with the first hinge shaft, the other end of the connecting rod is connected with a second hinge shaft, and the rear end of the fixed hinge seat is connected with the second hinge shaft.

[0015] One end of the swing arm is connected with a third hinge shaft, the upper hinge seat is provided with a second hinge hole connected with the third hinge shaft, the other end of the swing arm is connected with a fourth hinge shaft, and the movable hinge seat is connected with the fourth hinge shaft.

[0016] As a further solution, the fixed seat and the movable seat each comprise a circular embedded seat body, the embedded seat body is provided with a connecting plate, the outer peripheral wall of the embedded seat body is arranged with two or more friction protrusions, and opposite sides of the connecting plate are provided with connecting through holes.

[0017] The utility model discloses a beneficial effect as follows:

[0018] The utility model discloses a kind of flap door hinges, this hinge simple structure, convenient and fast to assemble and disassemble, can be embedded in cabinet board piece after installation, so that flap door can be kept flat, no protruding after opening, will not hinder the object in cabinet to take and place, and the position of flap door can be flexibly adjusted during installation, so that flap door can be strictly matched with cabinet, improve the quality and grade of cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an embodiment structure schematic diagram in the utility model.

[0020] Figure 2 It is hinge section structure schematic diagram in the utility model Figure One .

[0021] Figure 3 It is hinge exploded structure schematic diagram in the utility model.

[0022] Figure 4 It is hinge section structure schematic diagram in the utility model Figure Two .

[0023] Figure 5 It is hinge seat structure schematic diagram in the utility model.

[0024] Figure 6 It is fixed seat and movable seat specific structure schematic diagram in the utility model. DETAILED DESCRIPTION

[0025] The utility model is further explained in connection with drawing and embodiment.

[0026] Referring to Figures 1 to 5 Shown, a kind of flap door hinges, including fixed seat 1 and movable seat 2, fixed seat 1 is equipped with fixed hinge seat 3, fixed hinge seat 3 is connected with movable seat 2 between hinge assembly 4, the hinge assembly 4 includes hinge seat 5, connecting rod 6 and swing arm 7;Fixed hinge seat 3 rear end and hinge seat 5 rear end are hingedly connected by connecting rod 6, the middle of hinge seat 5 is equipped with movable hinge seat 8, movable hinge seat 8 and fixed hinge seat 3 front end are hingedly connected by swing arm 7;And the front end of hinge seat 5 is equipped with transverse adjusting structure and longitudinal adjusting structure, movable seat 2 is equipped with adjusting cooperation part matched with transverse adjusting structure, longitudinal adjusting structure acts on movable seat 2.

[0027] This hinge simple structure, convenient and fast to assemble and disassemble, the position of flap door can be flexibly adjusted during installation, so that flap door can be strictly matched with cabinet, improve the quality and grade of cabinet.

[0028] Specifically, the lateral adjustment structure comprises an adjustment slot 501 in U shape and a locking screw 9; the adjustment slot 501 is arranged at the front end of the hinge seat 5; the adjustment matching part comprises a first threaded hole 201 arranged on the movable seat 2; the locking screw 9 passes through the adjustment slot 501 and the first threaded hole 201 to lock and connect the front end of the hinge seat 5 to the movable seat 2.

[0029] The above structure can be used in the following way during installation: firstly, the fixed seat 1 and the movable seat 2 are respectively fixed and embedded on the cabinet and the flap door; then, the flap door is placed on the cabinet, the first threaded hole 201 on the movable seat 2 is aligned with the adjustment slot 501, and finally, the locking screw 9 is screwed to assemble the flap door to the cabinet; during opening and closing test, the locking screw 9 is loosened to enable the movable seat 2 to move laterally relative to the hinge assembly 4, thereby adjusting the lateral position of the flap door.

[0030] The hinge seat 5 is provided with a stepped surface 502 along the edge of the adjustment slot 501, which is located opposite to the head blocking part 51 corresponding to the opening of the adjustment slot 501 and abuts against the head of the locking screw 9.

[0031] The stepped surface 502 can enable the head of the locking screw 9 to abut against the stepped surface 502, so that the locking screw 9 is completely sunk into the hinge seat 5, and the head blocking part 51 can limit the head of the locking screw 9, thereby avoiding the locking screw 9 from being disconnected from the hinge seat 5 on the side of the opening of the adjustment slot 501 during adjustment.

[0032] In addition, the lateral adjustment structure further comprises an anti-skid tooth 52 arranged on the bottom surface of the front end of the hinge seat 5; the adjustment matching part further comprises an anti-skid rack 21 arranged on the movable seat 2 and engaged with the anti-skid tooth 52 along the extension direction of the adjustment slot 501.

[0033] After the locking screw 9 locks the hinge seat 5 and the movable seat 2, the locking screw 9 will slide relative to the adjustment slot 501 during repeated use, which will cause the flap door to shift, so the anti-skid tooth 52 is tightly engaged with the anti-skid rack 21 to prevent the movable seat 2 from moving relative to the hinge seat.

[0034] The longitudinal adjustment structure comprises a second threaded hole 503 and an adjustment screw 10; the second threaded hole 503 is arranged at the rear side of the adjustment slot 501; the adjustment screw 10 and the second threaded hole 503 constitute a screw rod matching, and the bottom end of the adjustment screw 10 selectively abuts against the adjustment screw 10.

[0035] The above structure can be used in the following way during installation: the bottom end of the adjustment screw 10 is pushed to move the movable seat, thereby adjusting the longitudinal position of the flap door.

[0036] The fixed seat 1 is provided with a first chamber 101 which is open to both sides, the fixed hinge seat 3 is arranged in the first chamber 101, the movable seat 2 is provided with a second chamber 202 which is open to both sides, the hinge assembly 4 is arranged between the first chamber 101 and the second chamber 202, and the hinge assembly 4 does not exceed the first chamber 101 and the second chamber 202 in the unfolded state; after the hinge is opened, the hinge assembly 4 is completely hidden in the first chamber 101 and the second chamber 202, so that the inner surface of the cabinet can be kept flat and protruding after the flap door is opened, and the objects in the cabinet are not hindered to be taken or placed.

[0037] The front end of the hinge seat 5 is provided with two latch parts 53, the two latch parts 53 define an adjusting through slot 501 therebetween, and the side wall of the second chamber 202 is provided with an avoiding opening 203 corresponding to the end side of the two latch parts 53; the anti-skid teeth 52 are provided in two groups, and the two groups of anti-skid teeth 52 are symmetrically arranged on the bottom surface of the two latch parts 53; the avoiding opening 203 can increase the adjustable range of the movable seat 2, and is not affected by the length of the latch part 53.

[0038] The connecting rod 6 is provided in two, and the two connecting rods 6 are arranged on the outer side; the fixed hinge seat 3 is provided with a first stop end face 301 which abuts or avoids the connecting rod 6; the swing arm 7 is provided in two, and the two swing arms 7 are arranged on the inner side; the bottom surface of the movable hinge seat 8 is provided with a second stop end face 801 which abuts or avoids the swing arm 7; the first stop end face 301 and the second stop end face 801 control the limit position of the hinge opening, so as to prevent the hinge from being damaged due to over-opening.

[0039] The fixed hinge seat 3 comprises a lower hinge seat 31 and an upper hinge seat 32, and the lower hinge seat 31 and the upper hinge seat 32 are arranged at the rear end and the front end of the fixed hinge seat 3 respectively.

[0040] One end of the connecting rod 6 is connected with a first hinge shaft 11, the lower hinge seat 31 and the fixed seat 1 are provided with a first hinge hole 311 which is connected with the first hinge shaft 11 in a through manner, the other end of the connecting rod 6 is connected with a second hinge shaft 12, and the rear end of the fixed hinge seat 3 is connected to the second hinge shaft 12.

[0041] One end of the swing arm 7 is connected with a third hinge shaft 13, the upper hinge seat 32 is provided with a second hinge hole 321 which is connected with the third hinge shaft 13, the other end of the swing arm 7 is connected with a fourth hinge shaft 14, and the movable hinge seat 8 is connected to the fourth hinge shaft 14.

[0042] Referring to Figure 6 The fixed seat 1 and the movable seat 2 both comprise a circular embedded seat body 15, and the embedded seat body 15 is provided with a connecting plate 16; the outer peripheral wall of the embedded seat body 15 is arranged with two or more friction protrusions 151;

[0043] When the fixed seat 1 and the movable seat 2 are installed, the friction convex strip 151 is in interference fit with the accommodating groove in the plate body, and the fixed seat 1 and the movable seat 2 can be more stably fixed on the cabinet body or the flap door before screws are locked.

[0044] Opposite sides of the connecting plate 16 are provided with connecting through holes 161; when self-tapping screws pass through the connecting through holes 161 and are tapped into the cabinet body or the flap door, the fixed seat 1 or the movable seat 2 is assembled and connected on the cabinet body or the flap door.

[0045] The above is the preferred scheme of the utility model, the basic principle, the main features and the advantages of the utility model are displayed and described. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model. The utility model falls within the scope of protection, and the scope of protection is defined by the attached claims and equivalents.

Claims

1. A flap door hinge, comprising a fixed seat (1) and a movable seat (2), a fixed hinge seat (3) is arranged on the fixed seat (1), and a hinge assembly (4) is connected between the fixed hinge seat (3) and the movable seat (2), characterized in that: The hinge assembly (4) comprises a hinge seat (5), a connecting rod (6) and a swing arm (7); the rear end of the fixed hinge seat (3) is movably connected with the rear end of the hinge seat (5) through the connecting rod (6), the middle of the hinge seat (5) is provided with a movable hinge seat (8), the movable hinge seat (8) is movably connected with the front end of the fixed hinge seat (3) through the swing arm (7), and the front end of the hinge seat (5) is provided with a transverse adjusting structure and a longitudinal adjusting structure, the movable seat (2) is provided with an adjusting matching part matched with the transverse adjusting structure, and the longitudinal adjusting structure acts on the movable seat (2).

2. A hinged door hinge according to claim 1, wherein: The transverse adjusting structure comprises a U-shaped adjusting slot (501) and a locking screw (9); the adjusting slot (501) is arranged at the front end of the hinge seat (5); the adjusting matching part comprises a first threaded hole (201) arranged on the movable seat (2), the locking screw (9) passes through the adjusting slot (501) and the first threaded hole (201), and the front end of the hinge seat (5) is locked and connected on the movable seat (2).

3. A hinged door hinge according to claim 2, wherein: The hinge seat (5) is provided with a stepped surface (502) limiting the head of the locking screw (9) at the edge of the adjusting slot (501), and the stepped surface (502) is provided with a head blocking part (51) corresponding to the opposite side of the opening of the adjusting slot (501).

4. The hinged door hinge of claim 2, wherein: The transverse adjusting structure further comprises anti-skid teeth (52) arranged on the bottom surface of the front end of the hinge seat (5); the adjusting matching part further comprises an anti-skid rack (21) arranged on the movable seat (2) and engaged with the anti-skid teeth (52).

5. The hinged door hinge of claim 1, wherein: The longitudinal adjusting structure comprises a second threaded hole (503) and an adjusting screw (10), the second threaded hole (503) is arranged at the rear side of the adjusting slot (501), the adjusting screw (10) and the second threaded hole (503) form a screw rod cooperation, and the bottom end of the adjusting screw (10) selectively abuts on the adjusting screw (10).

6. A hinged door hinge according to claim 4, wherein: The fixed seat (1) is provided with a first accommodating chamber (101) which is oppositely open, the fixed hinge seat (3) is arranged in the first accommodating chamber (101), the movable seat (2) is provided with a second accommodating chamber (202) which is oppositely open, the hinge assembly (4) is accommodated between the first accommodating chamber (101) and the second accommodating chamber (202), and the hinge assembly (4) does not exceed the first accommodating chamber (101) and the second accommodating chamber (202) in the unfolded state.

7. A hinged door hinge according to claim 6 wherein: The front end of the hinge seat (5) is provided with two latch parts (53), the two latch parts (53) define an adjusting slot (501) therebetween, the side wall of the second accommodating chamber (202) is provided with an avoiding opening (203) corresponding to the end side of the two latch parts (53); the anti-skid teeth (52) are provided with two groups, and the two groups of anti-skid teeth (52) are symmetrically arranged on the bottom surface of the two latch parts (53).

8. The flap door hinge of claim 1, wherein: The connecting rod (6) is provided with two, two connecting rods (6) are arranged at the outer side, the fixed hinge seat (3) is equipped with the first stop end face (301) which is in contact or avoids with the connecting rod (6);The swing arm (7) is provided with two, two swing arms (7) are arranged at the inner side, the bottom surface of the movable hinge seat (8) is equipped with the second stop end face (801) which is in contact or avoids with the swing arm (7).

9. A hinged door hinge according to claim 1 or 8, wherein: The fixed hinge seat (3) includes lower hinge seat (31) and upper hinge seat (32), and the lower hinge seat (31) and the upper hinge seat (32) are arranged at the rear end and the front end of the fixed hinge seat (3) respectively; One end of the connecting rod (6) is connected with the first hinge shaft (11), the lower hinge seat (31) and the fixed seat (1) are throughly provided with the first hinge hole (311) connected with the first hinge shaft (11), the other end of the connecting rod (6) is connected with the second hinge shaft (12), and the rear end of the fixed hinge seat (3) is connected on the second hinge shaft (12); One end of the swing arm (7) is connected with the third hinge shaft (13), the upper hinge seat (32) is provided with the second hinge hole (321) connected with the third hinge shaft (13), the other end of the swing arm (7) is connected with the fourth hinge shaft (14), and the movable hinge seat (8) is connected on the fourth hinge shaft (14).

10. The flap door hinge of claim 1, wherein: The fixed seat (1) and the movable seat (2) all include circular embedding seat body (15), and the embedding seat body (15) is equipped with connecting plate (16);Two or more friction ridges (151) are arranged on the outer wall of the embedding seat body (15);The connecting plate (16) is provided with connecting through hole (161) on the opposite side.

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