CN113958216A

CN113958216A - Hinge capable of elastically limiting

Info

Publication number: CN113958216A
Application number: CN202111256710.7A
Authority: CN
Inventors: 戚志; 黎善雄
Original assignee: Guangdong Jusen Hardware Precision Manufacturing Co ltd
Current assignee: Guangdong Jusen Precision Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-01-21
Anticipated expiration: 2041-10-27
Also published as: CN113958216B

Abstract

The invention provides an elastically-limited hinge, which relates to the technical field of hinges and comprises a left base and a right base, wherein the left base and the right base are rotationally connected through a rotating shaft; when the door body with the hinge is opened, the left base rotates to enable the second gear to drive the first gear to rotate, so that the elastic reset piece accumulates elastic potential energy, after the cabinet door is loosened, the elastic potential energy is released by the elastic reset piece, the first gear tends to rotate in the reverse direction, but under the action of the damping assembly, the first gear is kept still, and the door body can stay at any angle.

Description

Hinge capable of elastically limiting

Technical Field

The invention relates to the technical field of hinges, in particular to a hinge capable of elastically limiting.

Background

Generally, furniture cabinets are often provided with hinges to facilitate the opening and closing of the door panel relative to a fixed portion.

However, the door panel with the elastic limit hinge can be completely closed only by pushing the door panel with the elastic limit hinge by hand when being closed, but a gap can be left and the door panel cannot be completely closed, the door panel with the elastic limit hinge cannot be stopped at any position when being opened, otherwise the door panel can be automatically closed, and therefore the use is inconvenient.

Disclosure of Invention

The invention aims to provide a hinge capable of elastically limiting, and aims to solve the problem that the hinge without elastic limiting and the hinge with elastic limiting in the prior art have certain defects.

In order to achieve the purpose, the invention adopts the following technical scheme: but elasticity is spacing hinge, including left base and right base, rotate through the pivot between left side base and the right base and be connected, the elasticity piece that resets is installed between the inside of right side base and the pivot, install first gear in the pivot, fixed mounting has the second gear with first gear engagement in the base of a left side, install in the base of the right side and be used for hindering the one-way pivoted damping subassembly of first gear, install the speed reduction subassembly that is used for weakening first gear slew velocity in the base of the right side.

In order to enable the damping device to have the function of blocking the first gear from rotating in a single direction, the damping device comprises a gear shaft meshed with the first gear, two mounting plates are fixedly mounted in the right base, notches are formed in the mounting plates, two ends of the gear shaft are respectively connected with the two notches in a rotating and sliding mode, a third gear is coaxially connected to the gear shaft, a rack capable of being meshed with the third gear is arranged at the bottom of the third gear, the rack is connected with the right base in a sliding mode, and a reset device blocking the rack from moving is mounted on the rack.

According to a further technical scheme, the reset assembly comprises two magnets which are mutually attracted.

In order to enable the invention to have the effect of reducing the rotation speed of the first gear, the invention further adopts the technical scheme that the speed reducing assembly comprises a conductive strip arranged between the two magnets, a moving assembly used for enabling the conductive strip to reciprocate is mounted on the conductive strip, and the input end of the moving assembly is in transmission connection with the rotating shaft.

According to a further technical scheme, the conducting strips are made of copper.

In order to enable the invention to have the effect of enabling the conductive bar to reciprocate, the invention has the further technical scheme that the movement assembly comprises a convex block fixedly connected to the conductive bar, and also comprises two fourth gears meshed with each other, a shifting lever used for shifting the convex block is arranged on the fourth gear, the movement assembly also comprises a transmission assembly used for driving one of the fourth gears to rotate, and the input end of the transmission assembly is in transmission connection with the rotating shaft.

According to a further technical scheme, two shifting rods are arranged on each fourth gear, and the two shifting rods are rotationally and symmetrically arranged around the axis of the fourth gear.

In order to enable the invention to provide power for the motion assembly through the rotation of the rotating shaft, a further technical scheme of the invention is that the transmission assembly comprises a fifth gear coaxially connected with one of the fourth gears, a sixth gear is meshed with the fifth gear, the sixth gear is coaxially connected with a first bevel gear, a second bevel gear is meshed with the first bevel gear, and the second bevel gear is coaxially connected with the rotating shaft.

In order to enable the cabinet door to have the effect of weakening the rotating speed of the first gear when the cabinet door is closed, the further technical scheme of the invention is that a one-way bearing is installed in an inner hole of the sixth gear, and the inner hole of the one-way bearing is connected with the fifth gear through a transmission shaft.

According to a further technical scheme, the elastic reset piece is a clockwork spring.

The invention has the beneficial effects that:

1. when the cabinet door is used, when the door body provided with the hinge is opened, the left base rotates to enable the second gear to drive the first gear to rotate, so that the elastic reset piece accumulates elastic potential energy, after the cabinet door is loosened, the elastic potential energy is released by the elastic reset piece, so that the first gear tends to rotate in the reverse direction, but the first gear is kept still under the action of the damping assembly, and the door body can stay at any angle.

2. When the door is required to be closed, the door body is pushed to apply a certain force to the door body, so that the first gear drives the gear shaft to rotate, the third gear rotates, the rack moves, the two magnets are separated, the attraction force between the two magnets is weakened due to the fact that the distance is increased, and then the force applied by the elastic resetting piece is larger than the attraction force between the two magnets, so that the cabinet door can be automatically closed.

3. When the door body is closed, the rotating shaft rotates to enable the second bevel gear to drive the first bevel gear to rotate, the first bevel gear rotates to enable the sixth gear to drive the fifth gear to rotate, so that the two fourth gears rotate, the poking rod moves circumferentially to poke the convex block, the conductive strip moves in a reciprocating mode, and the conductive strip cuts the magnetic induction line between the two magnets, so that the higher the moving speed of the conductive strip is, the higher the resistance is when the first gear rotates, and the door body is prevented from being thrust to hit the doorframe at a high speed.

Drawings

FIG. 1 is a schematic diagram of a first internal angle configuration of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

FIG. 3 is a schematic diagram of a second internal angle configuration of an embodiment of the present invention.

FIG. 4 is a schematic diagram of an internal third angle configuration of an embodiment of the present invention.

In the figure: 1. a left base; 2. a right base; 3. a rotating shaft; 4. an elastic reset member; 5. a first gear; 6. a second gear; 7. a gear shaft; 8. mounting a plate; 9. a third gear; 10. a rack; 11. a magnet; 12. a conductive strip; 13. a bump; 14. a fourth gear; 15. a deflector rod; 16. a fifth gear; 17. a sixth gear; 18. a first bevel gear; 19. a second bevel gear; 20. and a one-way bearing.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-4, a hinge that can be elastically limited, includes left base 1 and right base 2, rotate through pivot 3 between left base 1 and the right base 2 and be connected, it has elasticity piece 4 that resets to install between the inside of right base 2 and the pivot 3, install first gear 5 in the pivot 3, fixed mounting has second gear 6 with first gear 5 meshing in the base 1 of a left side, install in the base 2 of the right side and be used for hindering the one-way pivoted damping component of first gear 5, install in the base 2 of the right side and be used for weakening the speed reduction subassembly of first gear 5 slew velocity.

In this embodiment, when the door body equipped with the hinge is opened, the left base 1 rotates to make the second gear 6 carry the first gear 5 to rotate, so that the elastic reset piece 4 accumulates elastic potential energy, after the cabinet door is released, the elastic reset piece 4 releases the elastic potential energy, so that the first gear 5 tends to rotate in the reverse direction, but due to the action of the damping component, the first gear 5 is kept still, so that the door body can stay at any angle.

Specifically, damping component includes the gear shaft 7 with first gear 5 meshing, 2 internal fixed mounting of right side base has two mounting panels 8, the notch has been seted up on the mounting panel 8, the both ends of gear shaft 7 rotate and sliding connection with two notches respectively, coaxial coupling has third gear 9 on the gear shaft 7, the bottom of third gear 9 is provided with can rather than the rack 10 of meshing,

rack

10 and 2 sliding connection of right side base, install the reset component who hinders rack 10 motion on the rack 10.

Further, the reset assembly comprises two magnets 11 which attract each other, after the door body is stopped to be pulled open, the first gear 5 drives the gear shaft 7 to rotate and enables the gear shaft 7 to slide along the notch, so that the third gear 9 is meshed with the rack 10, because the force applied by the elastic reset piece 4 is not enough to separate the two magnets 11, the rack 10 is not moved, when the door body needs to be closed, the door body is pushed to apply a certain force to the door body, the first gear 5 drives the gear shaft 7 to rotate, so that the third gear 9 rotates, the rack 10 moves, at the moment, the two magnets 11 are separated, the attraction force between the two magnets 11 is weakened due to the fact that the distance is increased, and then the force applied by the elastic reset piece 4 is larger than the attraction force between the two magnets 11, so that the cabinet door can be automatically closed.

Preferably, the speed reducing assembly comprises a conductive bar 12 disposed between the two magnets 11, a moving assembly for reciprocating the conductive bar 12 is mounted on the conductive bar 12, and an input end of the moving assembly is in transmission connection with the rotating shaft 3.

Note that, the conductive strip 12 is made of copper.

The moving assembly comprises a convex block 13 fixedly connected to the conductive bar 12 and further comprises two fourth gears 14 meshed with each other, a shifting lever 15 used for shifting the convex block 13 is arranged on the fourth gear 14, the moving assembly further comprises a transmission assembly used for driving one of the fourth gears 14 to rotate, and the input end of the transmission assembly is in transmission connection with the rotating shaft 3.

Two shift levers 15 are arranged on each fourth gear 14, and the two shift levers 15 are rotationally and symmetrically arranged around the axis of the fourth gear 14.

The transmission assembly comprises a fifth gear 16 coaxially connected with one of the fourth gears 14, a sixth gear 17 is meshed on the fifth gear 16, a first bevel gear 18 is coaxially connected with the sixth gear 17, a second bevel gear 19 is meshed on the first bevel gear 18, the second bevel gear 19 is coaxially connected with the rotating shaft 3, when the door body is closed, the rotating shaft 3 rotates to drive the second bevel gear 19 to rotate with the first bevel gear 18, the first bevel gear 18 rotates to drive the sixth gear 17 to rotate with the fifth gear 16, so that the two fourth gears 14 rotate, so that the poking rod 15 circularly moves to poke the convex block 13, so that the conductive strip 12 reciprocates, and as the conductive strip 12 performs cutting magnetic induction movement between the two magnets 11, the higher the movement speed of the conductive strip 12 is subjected to larger resistance, so that the resistance when the first gear 5 rotates is increased, thereby avoiding pushing the door body violently to make it hit the door frame at high speed.

A one-way bearing 20 is installed in an inner hole of the sixth gear 17, an inner hole of the one-way bearing 20 is connected with the fifth gear 16 through a transmission shaft, the fifth gear 16 rotates when the door body is closed, the fifth gear 16 does not rotate when the door body is opened, and therefore the influence of the speed reduction assembly is avoided when the door body is opened.

The elastic restoring member 4 is a clockwork spring.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a but elasticity spacing hinge, its characterized in that, includes left base (1) and right base (2), rotate through pivot (3) between left side base (1) and the right base (2) and be connected, be installed elasticity between the inside of right side base (2) and pivot (3) and reset piece (4), install first gear (5) on pivot (3), fixed mounting has second gear (6) with first gear (5) meshing in left side base (1), install in right side base (2) and be used for hindering first gear (5) unidirectional rotation's damping subassembly, install the speed reduction subassembly that is used for weakening first gear (5) slew velocity in right side base (2).

2. The hinge capable of limiting elastically according to claim 1, wherein the damping assembly comprises a gear shaft (7) engaged with the first gear (5), two mounting plates (8) are fixedly mounted in the right base (2), notches are formed in the mounting plates (8), two ends of the gear shaft (7) are respectively rotated and slidably connected with the two notches, a third gear (9) is coaxially connected to the gear shaft (7), a rack (10) capable of being engaged with the third gear (9) is arranged at the bottom of the third gear (9), the rack (10) is slidably connected with the right base (2), and a reset assembly for blocking the rack (10) from moving is mounted on the rack (10).

3. An elastically limitable hinge according to claim 2, characterized in that the return member comprises two magnets (11) which attract each other.

4. The elastically limitable hinge according to claim 3, wherein the deceleration assembly comprises a conductive strip (12) arranged between the two magnets (11), the conductive strip (12) is provided with a motion assembly for reciprocating the conductive strip (12), and the input end of the motion assembly is in transmission connection with the rotating shaft (3).

5. An elastically limitable hinge according to claim 4, characterized in that the conductive strip (12) is made of copper.

6. The elastically limitable hinge according to claim 4, wherein the moving assembly comprises a projection (13) fixedly connected to the conductive bar (12), and further comprises two fourth gears (14) engaged with each other, a lever (15) for shifting the projection (13) is arranged on the fourth gear (14), the moving assembly further comprises a transmission assembly for driving one of the fourth gears (14) to rotate, and an input end of the transmission assembly is in transmission connection with the rotating shaft (3).

7. An elastically limitable hinge according to claim 6, characterized in that two levers (15) are arranged on each of said fourth gears (14), said levers (15) being arranged rotationally symmetrically with respect to the axis of the fourth gear (14).

8. An elastically limitable hinge according to claim 6, wherein the transmission assembly comprises a fifth gear (16) coaxially connected with one of the fourth gears (14), the fifth gear (16) is engaged with a sixth gear (17), the sixth gear (17) is coaxially connected with a first bevel gear (18), the first bevel gear (18) is engaged with a second bevel gear (19), and the second bevel gear (19) is coaxially connected with the rotating shaft (3).

9. An elastically limitable hinge according to claim 8, characterized in that a one-way bearing (20) is mounted in the inner bore of the sixth gear (17), and the inner bore of the one-way bearing (20) is connected with the fifth gear (16) through a transmission shaft.

10. An elastically limitable hinge according to any one of claims 1 to 9, characterized in that the elastic return member (4) is a clockwork spring.