CN206668011U - Door hinge with pooling feature - Google Patents

Abstract

The utility model relates to a door hinge with a buffer function, which is characterized in that it includes a casing, a first and a second rotating shaft, a "U" type rotating shaft, a hinge cup, a moving part, a torsion spring, a connecting part and a damper; There is a positioning block, the positioning block cooperates with the shell to form two slide grooves, and the linkage is provided with a push structure, and the linkage is set in the shell through the first rotating shaft and the first axis of the "U"-shaped rotating shaft and the hinge cup. Connection; the connectors are respectively set in the shell through the second rotating shaft and connected with the hinge cup through the other shaft of the "U"-shaped rotating shaft. On the rotating shaft and on the first rotating shaft; the damper is provided with an inverted "L"-shaped positioning slider and a stopper. The inverted "L"-shaped positioning slider includes a horizontal slider and a vertical positioning block. The horizontal slider is inserted in the chute Among them, the longitudinal positioning block can abut against the positioning block; the pushing structure can push the blocking block. Its advantages are: compact structure, convenient assembly, stable buffer force, long service life and convenient maintenance.

Description

Door hinge with cushioning function

technical field

The utility model relates to a door hinge with buffer function.

Background technique

At present, a door hinge with a buffer function includes a housing, a first rotating shaft, a "U"-shaped rotating shaft, a hinge cup, a connector, a linkage, a pusher, and a damper. The piston rod of the damper is rotationally connected to the pusher, and the pusher It is connected with linkage again, and its structure is comparatively complicated. When in use, the piston rod of the damper pulls the pusher to play a buffering role; the piston rod does not move on the axis, so the friction between the piston rod and the cylinder sealing ring is relatively large. After a long time of use, it is easy to leak oil and cause the door hinge to fail. Short life, inconvenient maintenance, poor door hinge precision.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a door hinge with a compact structure, convenient assembly, stable buffer force, long service life, convenient maintenance and high precision with buffer function.

In order to achieve the above object, the first embodiment of the present utility model is achieved in this way, which is a door hinge with a buffer function, which is characterized in that it includes:

The housing, the first rotating shaft, the "U"-shaped rotating shaft, the hinge cup and the linkage; wherein, positioning blocks are respectively arranged on the front and rear sides of the inner wall of the housing, and the top surfaces of the two positioning blocks are mutually connected with the inner wall of the housing. Cooperate to form two chutes, and push structures are provided on the front and rear sides of the left end of the linkage. The left part of the linkage is installed in the shell through the first rotating shaft, and the right part of the linkage passes through the "U" One shaft of the type rotating shaft is rotationally connected with the hinge cup;

The second rotating shaft, torsion spring and connecting piece; wherein, the left part of the connecting piece is arranged in the shell through the second rotating shaft, and the right part of the connecting piece is connected to the hinge cup through the other shaft of the "U"-shaped rotating shaft. , the torsion spring is sleeved on the second shaft, one end of the torsion spring is fixed or abutted against the U-shaped shaft, and the other end of the torsion spring is abutted against the first shaft; and

Damper: An inverted "L"-shaped positioning slider and a stopper are respectively provided on the front and rear sides of the damper. The inverted "L"-shaped positioning slider includes a horizontal slider and a longitudinal positioning block. The horizontal slider The block is inserted into the corresponding chute so that the damper moves directionally, and the longitudinal positioning block can abut against the corresponding positioning block to limit the stroke of the damper; the pushing structure can push the corresponding block to drive the damper Orientation movement in the shell, the piston rod of the damper presses against the torsion spring, so that the piston rod of the damper slowly expands and returns.

In the technical solution, inwardly bent flaps are respectively punched out on the front and rear sides of the housing, and the flaps are used as positioning blocks.

In this technical solution, protrusions are stamped inward on the front and rear sides of the housing respectively, and the protrusions are positioning blocks.

In the technical solution, the pushing structure is an upwardly tilted hook, and the hook can push the corresponding stopper, thereby driving the damper to move directionally in the casing.

The first embodiment of the present utility model is realized in this way, it is a kind of door hinge with cushioning function, it is characterized in that comprising:

Shell, "U"-shaped positioning sleeve, first rotating shaft, "U"-shaped rotating shaft, hinge cup and linkage; wherein, cross arms are respectively arranged on both sides of the "U"-shaped positioning sleeve, and "U"-shaped The positioning sleeve is set in the casing and fixed by a cross arm. A chute is formed between the cross arm and the inner wall of the casing. Pushing structures are respectively provided on the front and rear sides of the left end of the linkage. The left part of the linkage passes through the first A rotating shaft is installed in the casing, and the right part of the linkage is connected to the hinge cup through a shaft of the "U"-shaped rotating shaft;

The second rotating shaft, torsion spring and connecting piece; wherein, the left part of the connecting piece is arranged in the shell through the second rotating shaft, and the right part of the connecting piece is connected to the hinge cup through the other shaft of the "U"-shaped rotating shaft. , the torsion spring is sleeved on the second shaft, one end of the torsion spring is fixed or leans against the "U"-shaped shaft, and the other end of the torsion spring leans against the first shaft; and

Damper: Inverted "L" shaped positioning sliders and stoppers are respectively provided on the front and rear sides of the damper, and the inverted "L" shaped positioning sliders include horizontal sliders and longitudinal positioning blocks; the damper is inserted In the "U"-shaped positioning sleeve, the transverse slider is inserted into the corresponding chute so that the damper moves directionally in the "U"-shaped positioning sleeve, and the longitudinal positioning block is opposed to the "U"-shaped positioning sleeve The stroke of the damper is limited by the push structure; the push structure can push the corresponding block to drive the damper to move directionally in the "U"-shaped positioning sleeve, and the piston rod of the damper is pressed against the torsion spring, so that the piston rod of the damper Slowly expand and reset.

In the technical solution, the pushing structure is an upwardly tilted hook, and the hook can push the corresponding stopper to drive the damper to move directionally in the housing.

In this technical solution, mounting holes or slots are respectively provided on the front and rear sides of the housing, and the crossarm is inserted into the corresponding mounting holes or slots so that the "U"-shaped positioning sleeve is fixedly arranged in the housing.

Compared with the prior art, the utility model has the advantages of compact structure, convenient assembly, stable buffering force, long service life, convenient maintenance, and a high-precision door hinge with buffering function.

Description of drawings

Fig. 1 is the perspective view of first kind of embodiment;

Figure 2 is a top view of the first embodiment;

Fig. 3 is the sectional view of A-A among Fig. 2;

Fig. 4 is the sectional view of B-B among Fig. 2;

Figure 5 is an exploded view of the first embodiment;

Fig. 6 is a perspective view of the first embodiment without the shell and connectors;

Fig. 7 is a perspective view of the first embodiment without the shell and connectors;

Fig. 8 is a schematic structural view of the shell in the first embodiment;

Fig. 9 is a perspective view of the second embodiment;

Fig. 10 is a top view of the second embodiment;

Fig. 11 is the sectional view of C-C in Fig. 10;

Fig. 12 is a sectional view of D-D in Fig. 10;

Figure 13 is an exploded view of the second embodiment;

Fig. 14 is a perspective view of the second embodiment without the shell and connectors;

Fig. 15 is a perspective view of the second embodiment without the shell and connectors;

Fig. 16 is a schematic structural view of the housing in the second embodiment.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

In the description of the utility model, the orientations or positional relationships indicated by the terms "front", "rear", "left" and "right" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model. The invention does not require that the utility model must be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance.

The first embodiment shown in Figures 1 to 8 is a door hinge with buffer function, including:

Housing 1, first rotating shaft 2, "U"-shaped rotating shaft 9, hinge cup 5 and linkage 7; wherein, positioning blocks 11 are respectively provided on the front and rear sides of the inner wall of the housing 1, and the two positioning blocks 11 The top surface of the top surface and the inner wall of the housing 1 cooperate with each other to form two slide grooves 12. Pushing structures 71 are respectively arranged on the front and rear sides of the left end of the linkage 7, and the left part of the linkage 7 is rotated by the first rotating shaft 2. In the housing 1, the right part of the linkage 7 is rotationally connected with the hinge cup 5 through one axis of the "U"-shaped rotating shaft 9;

The second rotating shaft 3, the torsion spring 8 and the connecting piece 4; wherein, the left part of the connecting piece 4 is installed in the housing 1 through the second rotating shaft 3, and the right part of the connecting piece 4 passes through the “U” shaped rotating shaft 9 The other shaft is rotatably connected with the hinge cup 5, the torsion spring 8 is sleeved on the second shaft 3, one end of the torsion spring 8 is fixed or leans against the U-shaped shaft 9, and the other end of the torsion spring 8 leans against the second shaft. on a reel 2; and

Damper 6: An inverted "L"-shaped positioning slider and a stopper 63 are respectively provided on the front and rear sides of the damper 6, and the inverted "L"-shaped positioning slider includes a horizontal slider 61 and a longitudinal positioning block 62 , the transverse slide block 61 is inserted in the corresponding chute 12 so that the damper 6 moves directionally, and the longitudinal positioning block 62 can abut against the corresponding positioning block 11 so as to limit the stroke of the damper 6; the pushing The structure 71 can push the corresponding block 63 so as to drive the damper 6 to move directionally in the housing 1 , and the piston rod 64 of the damper 6 bears on the torsion spring 10 , so that the piston rod 64 of the damper 6 slowly expands and returns.

When assembling, the transverse slider 61 is inserted in the corresponding chute 12, and the damper 6 can move directionally in the housing 1 without bolts, which is convenient for assembly and maintenance; when working, the rotation of the linkage 7 drives the rotation of the pushing structure 71 , the pushing structure 71 abuts against the block 63 to drive the damper 6 to move in a direction, the structure is compact, the cushioning force is stable, the service life is long, and the precision is high.

In this embodiment, inwardly bent flaps are respectively punched out on the front and rear sides of the housing 1 , and the flaps are positioning blocks 11 .

In this embodiment, protrusions are stamped inward on the front and rear sides of the housing 1 , and the protrusions are positioning blocks 11 .

In this embodiment, the pushing structure 71 is an upwardly tilted hook, and the hook can push the corresponding stopper 63 , thereby driving the damper 6 to move directionally in the housing 1 .

The second embodiment shown in Figures 9 to 16 is a door hinge with buffer function, including:

Shell 1, "U"-shaped positioning sleeve 10, first rotating shaft 2, "U"-shaped rotating shaft 9, hinge cup 5 and linkage 7; wherein, on both sides of the "U"-shaped positioning sleeve 10, there are respectively The cross arm 101, the "U" shaped positioning sleeve 10 is set in the shell 1 and fixed by the cross arm 101, a chute 12 is formed between the cross arm 101 and the inner wall of the shell 1, and the front and rear sides of the left end of the linkage 7 Pushing structures 71 are respectively provided on the sides, the left part of the linkage 7 is set in the casing 1 through the first rotating shaft 2, and the right part of the linkage 7 is rotated with the hinge cup 5 through one axis of the "U"-shaped rotating shaft 9. connect;

The second rotating shaft 3, the torsion spring 8 and the connecting piece 4; wherein, the left part of the connecting piece 4 is arranged in the housing 1 through the second rotating shaft 3, and the right part of the connecting piece 4 passes through the "U" shaped rotating shaft 9 The other shaft is rotatably connected with the hinge cup 5, the torsion spring 8 is sleeved on the second shaft 3, one end of the torsion spring 8 is fixed or leans against the "U"-shaped shaft 9, and the other end of the torsion spring 8 leans against on the first reel 2; and

Damper 6: An inverted "L"-shaped positioning slider and a stopper 63 are respectively provided on the front and rear sides of the damper 6, and the inverted "L"-shaped positioning slider includes a horizontal slider 61 and a longitudinal positioning block 62 The damper 6 is inserted in the "U"-shaped positioning sleeve 10, and the transverse slider 61 is inserted in the corresponding chute 12 so that the damper 6 moves oriented in the "U"-shaped positioning sleeve 10. The longitudinal positioning block 62 abuts against the "U"-shaped positioning sleeve 10 to limit the stroke of the damper 6; the pushing structure 71 can push the corresponding stopper 63 to drive the damper 6 to move directional within the "U"-shaped positioning sleeve 10 , The piston rod 64 of the damper 6 bears on the torsion spring 8, so that the piston rod 64 of the damper 6 slowly expands and returns.

When assembling, the damper 6 moves directionally in the "U"-shaped positioning sleeve 10 through the insertion of the inverted "L"-shaped positioning sliders on the front and rear sides and the corresponding chute 12, and the "U"-shaped positioning sleeve 10 is located in the shell 12, which is convenient for assembly and maintenance; when working, the hinge cup 5 rotates to drive the linkage 7 to rotate, and the pushing structure 71 on the linkage 7 pushes the stopper 63 so that the damper 6 moves in the direction of the shell 1 .

In this embodiment, the pushing structure 71 is an upwardly tilted hook, and the hook can push the corresponding stopper 63 so as to drive the damper 6 to move directionally in the housing 1 .

In this embodiment, mounting holes or grooves 13 are respectively provided on the front and rear sides of the housing 1, and the cross arm 101 is inserted into the corresponding mounting holes or grooves 13 so that the "U"-shaped positioning sleeve 10 is fixedly arranged. Inside housing 1. During assembly, the "U"-shaped positioning sleeve 10 is detachably arranged in the housing 1, which is convenient for assembly and maintenance.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and deformations to these embodiments without departing from the principle and purpose of the present invention still fall within the protection scope of the present invention.

Claims (7)

1. A door hinge with buffer function, characterized in that it comprises: The casing (1), the first rotating shaft (2), the "U"-shaped rotating shaft (9), the hinge cup (5) and the linkage (7); wherein, the front and rear sides of the inner wall of the casing (1) are respectively arranged There is a positioning block (11), and the top surfaces of the two positioning blocks (11) cooperate with the inner wall of the casing (1) to form two slide grooves (12). There is a push structure (71) on the side, the left part of the linkage (7) is installed in the housing (1) through the first rotating shaft (2), and the right part of the linkage (7) passes through the "U"-shaped shaft One axis of (9) is rotationally connected with the hinge cup (5); The second rotating shaft (3), the torsion spring (8) and the connecting piece (4); wherein, the left part of the connecting piece (4) is arranged in the housing (1) through the rotation of the second rotating shaft (3), and the connecting piece The right part of (4) is rotationally connected with the hinge cup (5) through the other shaft of the "U"-shaped rotating shaft (9), and the torsion spring (8) is sleeved on the second rotating shaft (3), and the torsion spring (8) ) is fixed or abutted against the U-shaped rotating shaft (9), and the other end of the torsion spring (8) is abutted against the first rotating shaft (2); and Damper (6); on the front and rear sides of the damper (6), there are respectively an inverted "L"-shaped positioning slider and a stopper (63), and the inverted "L"-shaped positioning slider includes a horizontal slider (61) and the longitudinal positioning block (62), the horizontal sliding block (61) is inserted in the corresponding chute (12) so as to make the damper (6) move directionally, and the longitudinal positioning block (62) can be connected with The corresponding positioning blocks (11) abut against each other to limit the travel of the damper (6); the pushing structure (71) can push the corresponding stopper (63) to drive the damper (6) to move directional within the casing (1) , the piston rod (64) of the damper (6) bears on the torsion spring (10), so that the piston rod (64) of the damper (6) expands and returns slowly. 2. The door hinge with buffer function according to claim 1, characterized in that inwardly bent flaps are respectively punched out on the front and rear sides of the casing (1), and the flaps are positioning blocks (11). 3. The door hinge with buffer function according to claim 1, characterized in that protrusions are stamped inward on the front and rear sides of the housing (1), respectively, and the protrusions are positioning blocks (11). 4. The door hinge with buffer function according to claim 1, characterized in that the pushing structure (71) is an upwardly tilted hook, and the hook can push the corresponding stopper (63), thereby driving The damper (6) moves directional within the housing (1). 5. A door hinge with buffer function, characterized in that it comprises: Shell (1), "U"-shaped positioning sleeve (10), first rotating shaft (2), "U"-shaped rotating shaft (9), hinge cup (5) and linkage (7); wherein, in the " The two sides of the U"-shaped positioning sleeve (10) are respectively provided with cross arms (101), and the "U"-shaped positioning sleeve (10) is arranged in the shell (1) and fixed by the cross arm (101), and the cross arm ( A chute (12) is formed between 101) and the inner wall of the housing (1), and push structures (71) are respectively provided on the front and rear sides of the left end of the linkage (7), and the left part of the linkage (7) passes through The first rotating shaft (2) is installed in the housing (1) for rotation, and the right part of the linkage (7) is connected to the hinge cup (5) through one axis of the "U"-shaped rotating shaft (9); The second rotating shaft (3), the torsion spring (8) and the connecting piece (4); wherein, the left part of the connecting piece (4) is arranged in the housing (1) through the rotation of the second rotating shaft (3), and the connecting piece The right part of (4) is rotationally connected with the hinge cup (5) through the other shaft of the "U"-shaped rotating shaft (9), and the torsion spring (8) is sleeved on the second rotating shaft (3), and the torsion spring (8) ) is fixed or abutted against the "U"-shaped rotating shaft (9), and the other end of the torsion spring (8) is abutted against the first rotating shaft (2); and Damper (6); on the front and rear sides of the damper (6), there are respectively an inverted "L"-shaped positioning slider and a stopper (63), and the inverted "L"-shaped positioning slider includes a horizontal slider (61) and longitudinal positioning block (62); the damper (6) is inserted in the "U"-shaped positioning sleeve (10), and the horizontal slider (61) is inserted in the corresponding chute (12) so that Make the damper (6) move directionally in the "U"-shaped positioning sleeve (10), and the longitudinal positioning block (62) abuts against the "U"-shaped positioning sleeve (10) to limit the stroke of the damper (6); The pushing structure (71) can push the corresponding block (63) so as to drive the damper (6) to move directionally in the "U"-shaped positioning sleeve (10), and the piston rod (64) of the damper (6) is pushed against the On the torsion spring (8), the piston rod (64) of the damper (6) is slowly stretched and reset. 6. The door hinge with buffer function according to claim 5, characterized in that the pushing structure (71) is an upwardly tilted hook, and the hook can push the corresponding stopper (63) to drive damping The device (6) moves directional within the casing (1). 7. The door hinge with cushioning function according to claim 5, characterized in that mounting holes or slots (13) are respectively provided on the front and rear sides of the housing (1), and the cross arm (101) is inserted in the Corresponding mounting holes or slots (13) so that the "U"-shaped positioning sleeve (10) is fixedly arranged in the housing (1).