CN215255465U - Bidirectional buffering upturning door hinge with linkage mechanism - Google Patents

Abstract

The utility model discloses a bidirectional buffer upturning door hinge with a linkage mechanism, which comprises a seat shell, an upper support arm, a lower support arm, a linkage mechanism, an elastic jacking mechanism, an opening buffer component and a closing buffer component, wherein the upper support arm is hinged at the upper end of the right side of the seat shell, the upper support arm comprises an upper swing arm and an upper swing rod, a square hole is arranged on the upper swing arm, the linkage mechanism comprises a first rotating shaft sleeve, a second rotating shaft sleeve, a square connecting shaft and a square linkage shaft, a square groove is arranged on the first rotating shaft sleeve, one end of the square connecting shaft is inserted in the square hole, the other end is inserted in the square groove, the second rotating shaft sleeve is matched and connected with the first rotating shaft sleeve, one end of the square linkage shaft is inserted in the second rotating shaft sleeve, the upper support arms of two door hinges realize meshing transmission through the square linkage shaft, better stability and synchronism are achieved between the upper support arm and the lower support arm, and the problem of idle stroke on one side is avoided, the cabinet door can not shake and skew, and the opening and closing operation is smoother.

Description

Bidirectional buffering upturning door hinge with linkage mechanism

Technical Field

The utility model relates to a cabinet door accessory technical field especially relates to a hinge turns over on two-way buffering with link gear.

Background

At present, a plurality of cabinet doors adopt the cabinet door to prop the device and realize turning up and open the function. Although current cabinet door props the device and can make the cabinet door realize turning up and open the function, nevertheless current cabinet door props the device and still exists not enoughly:

1. the existing cabinet door support device cannot play a role in buffering when the cabinet door is opened to the maximum; therefore, the cabinet door and the cabinet body are easy to collide, so that large noise is generated, and the life of people is influenced;

2. two unsynchronized conditions can appear in opening cabinet door in-process at cabinet body curb plate need be installed to current cabinet door props device to lead to the slope of cabinet door, lead to the life of cupboard to receive the influence easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way buffering upturning door hinge with link gear has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bidirectional buffer upturning door hinge with a linkage mechanism comprises a seat shell, an upper support arm, a lower support arm, the linkage mechanism, an elastic jacking mechanism, an opening buffer assembly and a closing buffer assembly, wherein the upper support arm is hinged at the upper end of the right side of the seat shell, the lower support arm is hinged at the lower end of the right side of the seat shell, the upper support arm comprises an upper swing arm and an upper swing rod which are connected, two sides of one end, far away from the upper swing rod, of the upper swing arm are rotatably provided with a rotating ring, the rotating ring is provided with more than two positioning columns, the positioning columns are inserted on the seat shell, a square hole is formed in the rotation center line of the upper swing arm, the linkage mechanism comprises a first rotating shaft sleeve, a second rotating shaft sleeve, a square connecting shaft and a square linkage shaft, a square groove is formed in the first rotating shaft sleeve, one end of the square connecting shaft is inserted in the square hole, the other end is inserted in the square groove, the second rotating shaft sleeve is matched and connected with the first rotating shaft sleeve, one end of the square linkage shaft is inserted in the second rotating shaft sleeve, the lower support arm comprises a lower swing arm and a lower swing rod which are connected, the lower swing arm is hinged on the seat shell, the elastic jacking mechanism is arranged on the left side of the lower swing arm, a top pressure rod is arranged between the elastic top pressure mechanism and the lower swing arm, one end of the top pressure rod is hinged with the elastic top pressure mechanism, the other end is hinged with the seat shell, the opening buffer component is arranged above the lower swing arm, the lower swing arm is correspondingly propped against the opening buffer component and is provided with a propping convex part, the closing buffer assembly is arranged below the lower swing arm, one side, far away from the jacking convex part, of the lower swing arm jacks the closing buffer assembly, and one end, far away from the jacking rod, of the elastic jacking mechanism is hinged with a force adjusting mechanism.

Furthermore, one end part, far away from the square hole, of the square connecting shaft is connected with an adjusting screw in a threaded mode, a screw hole communicated with the square groove is formed in the first rotating shaft sleeve, and a fixing screw is arranged in the screw hole.

Furthermore, the second rotating shaft sleeve is fixedly sleeved on the first rotating shaft sleeve, a positioning groove is formed in the first rotating shaft sleeve, the second rotating shaft sleeve is provided with a positioning strip corresponding to the sliding fit positioning groove, a positioning hole is formed in the second rotating shaft sleeve, and a positioning bump is arranged on the first rotating shaft sleeve corresponding to the matching positioning hole.

Furthermore, an installation cavity matched with the square linkage shaft is formed in the inner side of the second rotating shaft sleeve, an installation groove is formed in the wall surface of the second rotating shaft sleeve along the length direction, a fixing piece is hinged in the installation groove, a jacking portion extends outwards from the hinged end portion of the fixing piece, and a through groove communicated to the installation cavity is formed in the installation groove corresponding to the jacking portion.

Furthermore, the elastic jacking mechanism comprises a first spring seat, a second spring seat, a spring and a guide rod, wherein two ends of the spring are respectively embedded on the first spring seat and the second spring seat, a limiting rod is inserted into the inner side of the spring, one end of the guide rod is fixed on the first spring seat, the other end of the guide rod is movably inserted on the second spring seat, the left end of the first spring seat is hinged to the force adjusting mechanism, and the right end of the second spring seat is hinged to the jacking rod.

Furthermore, the opening buffer assembly comprises a first damper and a first jacking block, one end of the first damper is embedded in the first jacking block, the other end of the first damper is jacked on the seat shell, a first guide long hole is transversely formed in the first jacking block, the first guide long hole is sleeved at the hinged position of the jacking rod and the seat shell in a sliding mode, and the jacking convex part jacks the first jacking block.

Furthermore, the closing buffer assembly comprises a second damper, a second jacking block and a positioning block, one end of the second damper is embedded in the second jacking block, the other end of the second damper is jacked against the second jacking block, the positioning block is fixed on the seat shell, a second guide long hole is formed in the second jacking block, a guide shaft is arranged in the second guide long hole in a sliding mode, and the end portion of the guide shaft is inserted into the seat shell in an inserting mode.

Further, the force adjusting mechanism comprises a limiting block, a sliding block and a screw rod, a sliding cavity groove is formed in the limiting block, the sliding block is movably arranged in the sliding cavity groove, the screw rod is connected with the sliding block through threads, an end tooth part is arranged at the end part of the screw rod, and the sliding cavity groove is formed in the limiting block corresponding to the end tooth part.

Furthermore, the quick-mounting device is further included, one end, far away from the seat shell, of the upper support arm is hinged to the upper end of the quick-mounting device, and one end, far away from the seat shell, of the lower support arm is hinged to the lower end of the quick-mounting device.

Compared with the prior art, the beneficial effects of the utility model include: the square connecting shaft through the linkage mechanism is respectively inserted on the upper swing arm and the first rotating shaft sleeve, the second rotating shaft sleeve connected with the first rotating shaft sleeve is inserted with the square linkage shaft, the two ends of the square linkage shaft are respectively connected with the door hinges arranged on the two side plates of the cabinet body, the upper supporting arms of the two door hinges realize meshing transmission through the square linkage shaft, better stability and synchronism are achieved between the two hinges, the idle stroke problem of one of the two hinges is avoided, the cabinet door cannot shake or tilt, and the opening and closing operation is smoother.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the disassembled structure of fig. 1.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic cross-sectional view of a-a in fig. 3.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

Fig. 6 is an installation schematic diagram of the middle elastic pressing mechanism of the present invention.

Fig. 7 is an exploded view of fig. 6.

Fig. 8 is a top view of fig. 6.

Fig. 9 is a schematic cross-sectional view of B-B in fig. 8.

Fig. 10 is a schematic view of the connection between the first and second rotating shaft sleeves of the present invention.

Fig. 11 is a schematic view of the connection between the second rotating shaft sleeve and the fixing member of the present invention.

Fig. 12 is an exploded view of the elastic pressing mechanism of the present invention.

Fig. 13 is an exploded view of the buffer assembly of the present invention.

Fig. 14 is an exploded view of the closing cushioning assembly of the present invention.

Fig. 15 is a schematic structural view of the middle force adjusting mechanism of the present invention.

In the figure: the seat shell 1, the upper arm 2, the upper swing arm 21, the square hole 211, the upper swing rod 22, the rotating ring 23, the positioning column 231, the lower arm 3, the lower swing arm 31, the abutting convex part 311, the lower swing rod 32, the abutting rod 33, the linkage mechanism 4, the first rotating shaft sleeve 41, the square groove 411, the screw hole 412, the positioning groove 413, the positioning convex point 414, the second rotating shaft sleeve 42, the positioning strip 421, the positioning hole 422, the mounting cavity 423, the mounting groove 424, the through groove 425, the square connecting shaft 43, the square linkage shaft 44, the adjusting screw 45, the fixing screw 46, the fixing piece 47, the abutting part 471, the elastic abutting mechanism 5, the first spring seat 51, the second spring seat 52, the spring 53, the guide rod 54, the limiting rod 55, the opening buffer assembly 6, the first damper 61, the first abutting block 62, the first guide long hole 621, the closing buffer assembly 7, the second damper 71, the second abutting block 72, the second guide long hole 721, the second guide long hole, The device comprises a positioning block 73, a guide shaft 74, a force adjusting mechanism 8, a limiting block 81, a sliding cavity groove 811, a sliding block 82, a screw 83, an end tooth 831 and a quick assembly device 9.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions of "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including one or more of such features.

As shown in fig. 1 to 9, a bidirectional buffer upturning door hinge with a linkage mechanism comprises a seat shell 1, an upper support arm 2, a lower support arm 3, a linkage mechanism 4, an elastic jacking mechanism 5, an opening buffer component 6 and a closing buffer component 7, wherein the upper support arm 2 is hinged at the upper right end of the seat shell 1, the lower support arm 3 is hinged at the lower right end of the seat shell 1, the upper support arm 2 comprises an upper swing arm 21 and an upper swing rod 22 which are connected, two sides of one end of the upper swing arm 21 far away from the upper swing rod 22 are rotatably provided with a rotating ring 23, the rotating ring 23 is provided with more than two positioning columns 231, the positioning columns 231 are inserted on the seat shell 1, a square hole 211 is arranged on the rotation center line of the upper swing arm 21, the linkage mechanism 4 comprises a first rotating shaft sleeve 41, a second rotating shaft sleeve 42, a square connecting shaft 43 and a square linkage shaft 44, a square groove 411 is arranged on the first rotating shaft sleeve 41, one end of a square connecting shaft 43 is inserted in the square hole 211, the other end is inserted in the square groove 411, the second rotating shaft sleeve 42 is connected with the first rotating shaft sleeve 41 in a matching way, one end of a square linkage shaft 44 is inserted in the second rotating shaft sleeve 42, the lower support arm 3 comprises a lower swing arm 31 and a lower swing rod 32 which are connected, the lower swing arm 31 is hinged on the seat shell 1, an elastic jacking mechanism 5 is arranged at the left side of the lower swing arm 31, a jacking rod 33 is arranged between the elastic jacking mechanism 5 and the lower swing arm 31, one end of the jacking rod 33 is hinged on the elastic jacking mechanism 5, the other end is hinged on the seat shell 1, an opening buffer assembly 6 is arranged above the lower swing arm 31, the lower swing arm 31 is provided with a jacking convex part 311 corresponding to the jacking opening buffer assembly 6, a closing buffer assembly 7 is arranged below the lower swing arm 31, one side of the lower swing arm 31 far away from the jacking convex part 311 is jacked on the closing buffer assembly 7, the end of the elastic jacking mechanism 5 far away from the jacking rod 33 is hinged with a force adjusting mechanism 8.

In this embodiment, an end of the square connecting shaft 43 far from the square hole 211 is connected with an adjusting screw 45 through a screw thread, the first rotating shaft sleeve 41 is provided with a screw hole 412 communicated with the square groove 411, and a fixing screw 46 is arranged in the screw hole 412.

In this embodiment, the second rotating shaft sleeve 42 is fixedly sleeved on the first rotating shaft sleeve 41, the first rotating shaft sleeve 41 is provided with a positioning groove 413, the second rotating shaft sleeve 42 is provided with a positioning strip 421 corresponding to the sliding fit positioning groove 413, the second rotating shaft sleeve 42 is provided with a positioning hole 422, and the first rotating shaft sleeve 41 is provided with a positioning bump 414 corresponding to the fit positioning hole 422.

In this embodiment, the mounting cavity 423 that cooperates with the square linkage shaft 44 is provided on the inner side of the second rotation shaft sleeve 42, the mounting groove 424 is provided along the length direction on the wall surface of the second rotation shaft sleeve 42, the fixing member 47 is hinged in the mounting groove 424, the hinged end of the fixing member 47 extends outward to form a top pressing portion 471, and the through groove 425 that communicates with the mounting cavity 423 is provided in the mounting groove 424 corresponding to the top pressing portion 471.

In this embodiment, the elastic pressing mechanism 5 includes a first spring seat 51, a second spring seat 52, a spring 53 and a guide rod 54, two ends of the spring 53 are respectively embedded on the first spring seat 51 and the second spring seat 52, a limit rod 55 is inserted inside the spring 53, one end of the guide rod 54 is fixed on the first spring seat 51, the other end of the guide rod 54 is movably inserted on the second spring seat 52, the left end of the first spring seat 51 is hinged to the force adjusting mechanism 8, and the right end of the second spring seat 52 is hinged to the pressing rod 33.

In this embodiment, the opening buffer assembly 6 includes a first damper 61 and a first pressing block 62, one end of the first damper 61 is embedded in the first pressing block 62, the other end of the first damper presses the seat housing 1, a first guiding long hole 621 is transversely formed in the first pressing block 62, the first guiding long hole 621 is slidably sleeved on a hinge joint of the pressing rod 33 and the seat housing 1, and the pressing convex portion 311 presses the first pressing block 62.

In this embodiment, the closing buffer assembly 7 includes a second damper 71, a second abutting block 72 and a positioning block 73, one end of the second damper 71 is embedded in the second abutting block 72, the other end abuts against the second abutting block 72, the positioning block 73 is fixed on the seat housing 1, a second long guiding hole 721 is formed in the second abutting block 72, a guiding shaft 74 is slidably disposed in the second long guiding hole 721, and an end of the guiding shaft 74 is inserted into the seat housing 1.

In this embodiment, the strength adjusting mechanism 8 includes a limiting block 81, a sliding block 82 and a screw rod 83, a sliding cavity groove 811 is provided on the limiting block 81, the sliding cavity groove 811 is movably provided with the sliding block 82, the screw rod 83 is connected with the sliding block 82 through threads, an end tooth portion 831 is provided at the end of the screw rod 83, and the sliding cavity groove 811 is provided corresponding to the end tooth portion 831 of the limiting block 81.

In this embodiment, the device further comprises a quick-assembly device 9, wherein one end of the upper support arm 2, which is far away from the seat shell 1, is hinged to the upper end of the quick-assembly device 9, and one end of the lower support arm 3, which is far away from the seat shell 1, is hinged to the lower end of the quick-assembly device 9.

The utility model discloses a leading principle: the square connecting shaft 43 through the linkage mechanism 4 is respectively inserted on the upper swing arm 21 and the first rotating shaft sleeve 41, wherein the second rotating shaft sleeve 42 connected with the first rotating shaft sleeve 41 is inserted with the square linkage shaft 44, two ends of the square linkage shaft 44 are respectively connected with the door hinges arranged on two side plates of the cabinet body, the upper support arms 2 of the two door hinges realize meshing transmission through the square linkage shaft 44, better stability and synchronism are achieved between the upper support arms and the square linkage shaft, the idle stroke problem of one of the door hinges is avoided, the cabinet door cannot shake or tilt, and the opening and closing operation is smoother.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a two-way buffering upturning door hinge with link gear which characterized in that: the buffer component is opened and the buffer component (6) is closed including seat shell (1), upper supporting arm (2), lower supporting arm (3), link gear (4), elasticity roof pressure mechanism (5), go up supporting arm (2) and articulate the right side upper end at seat shell (1), lower supporting arm (3) articulate the right side lower extreme at seat shell (1), go up supporting arm (2) including last swing arm (21) and last swinging arms (22) that are connected, the one end both sides of going up swinging arms (21) and keeping away from last swinging arms (22) are rotated and are provided with swivel becket (23), are provided with reference column (231) on this swivel becket (23), and reference column (231) are provided with more than two, reference column (231) are through cartridge on seat shell (1), and have seted up quad slit (211) on the rotation center line of going up swinging arms (21), link gear (4) include first swivel becket (41), A second rotating shaft sleeve (42), a square connecting shaft (43) and a square linkage shaft (44), wherein a square groove (411) is formed in the first rotating shaft sleeve (41), one end of the square connecting shaft (43) is inserted in a square hole (211), the other end of the square connecting shaft is inserted in the square groove (411), the second rotating shaft sleeve (42) is connected with the first rotating shaft sleeve (41) in a matched manner, one end of the square linkage shaft (44) is inserted in the second rotating shaft sleeve (42), the lower support arm (3) comprises a lower swing arm (31) and a lower swing rod (32) which are connected, the lower swing arm (31) is hinged on the seat shell (1), the elastic jacking mechanism (5) is arranged on the left side of the lower swing arm (31), a jacking rod (33) is arranged between the elastic jacking mechanism (5) and the lower swing arm (31), one end of the jacking rod (33) is hinged on the elastic jacking mechanism (5), the other end is hinged with a seat shell (1), the opening buffer component (6) is arranged above the lower swing arm (31), the lower swing arm (31) is correspondingly pressed against the opening buffer component (6) and is provided with a pressing convex part (311), the closing buffer component (7) is arranged below the lower swing arm (31), one side of the lower swing arm (31) far away from the pressing convex part (311) is pressed against the closing buffer component (7), and one end of the elastic pressing mechanism (5) far away from the pressing rod (33) is hinged with a force adjusting mechanism (8).

2. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: one end part of the square connecting shaft (43) far away from the square hole (211) is in threaded connection with an adjusting screw (45), the first rotating shaft sleeve (41) is provided with a screw hole (412) communicated with the square groove (411), and a fixing screw (46) is arranged in the screw hole (412).

3. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: fixed cup joint of second pivot cover (42) is on first pivot cover (41), constant head tank (413) have been seted up on first pivot cover (41), second pivot cover (42) correspond sliding fit constant head tank (413) and are provided with location strip (421), locating hole (422) have been seted up on second pivot cover (42), first pivot cover (41) correspond cooperation locating hole (422) and are provided with location bump (414).

4. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: the mounting cavity (423) of the square linkage shaft (44) in a matched mode is formed in the inner side of the second rotating shaft sleeve (42), a mounting groove (424) is formed in the wall surface of the second rotating shaft sleeve (42) along the length direction, a fixing piece (47) is hinged in the mounting groove (424), a top pressing portion (471) extends outwards from the hinged end of the fixing piece (47), and a through groove (425) communicated to the mounting cavity (423) is formed in the mounting groove (424) corresponding to the top pressing portion (471).

5. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: the elastic jacking mechanism (5) comprises a first spring seat (51), a second spring seat (52), a spring (53) and a guide rod (54), two ends of the spring (53) are respectively embedded on the first spring seat (51) and the second spring seat (52), a limiting rod (55) is inserted on the inner side of the spring (53), one end of the guide rod (54) is fixed on the first spring seat (51), the other end of the guide rod (54) is movably inserted on the second spring seat (52), the left end of the first spring seat (51) is hinged on the force adjusting mechanism (8), and the right end of the second spring seat (52) is hinged with the jacking rod (33).

6. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: the opening buffer assembly (6) comprises a first damper (61) and a first pressing block (62), one end of the first damper (61) is embedded in the first pressing block (62), the other end of the first damper is pressed against the seat shell (1), a first guide long hole (621) is transversely formed in the first pressing block (62), the first guide long hole (621) is in sliding sleeve connection with a hinged position of the pressing rod (33) and the seat shell (1), and the pressing convex portion (311) presses against the first pressing block (62).

7. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: the closing buffer assembly (7) comprises a second damper (71), a second pressing jacking block (72) and a positioning block (73), one end of the second damper (71) is embedded in the second pressing jacking block (72), the other end of the second pressing jacking block (72) is pressed against the second pressing jacking block, the positioning block (73) is fixed on the seat shell (1), a second guide long hole (721) is formed in the second pressing jacking block (72), a guide shaft (74) is arranged in the second guide long hole (721) in a sliding mode, and the end portion of the guide shaft (74) is inserted into the seat shell (1).

8. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: dynamics adjustment mechanism (8) include stopper (81), slider (82) and screw rod (83), smooth chamber groove (811) have been seted up on stopper (81), smooth chamber groove (811) internalization is provided with slider (82), screw rod (83) are through threaded connection slider (82), and the tip of screw rod (83) is equipped with end tooth portion (831), stopper (81) have been seted up smooth chamber groove (811) corresponding end tooth portion (831).

9. The bi-directional buffering upturned door hinge with a linkage mechanism according to claim 1, wherein: the quick-mounting device is characterized by further comprising a quick-mounting device (9), the upper end of the quick-mounting device (9) is hinged to one end, away from the seat shell (1), of the upper support arm (2), and the lower end of the quick-mounting device (9) is hinged to one end, away from the seat shell (1), of the lower support arm (3).

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