CN211666493U

CN211666493U - Novel damping hinge for cabinet and wardrobe

Info

Publication number: CN211666493U
Application number: CN201922470125.1U
Authority: CN
Inventors: 邓根平
Original assignee: Shenzhen Hongsheng Technology Co ltd
Current assignee: Shenzhen Hongsheng Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-13
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a novel damping hinge for cabinets and wardrobes, which comprises a fixed part and a movable part movably connected with the fixed part, wherein the fixed part is provided with a groove for installing a spring and damping, and the damping hinge also comprises a V-shaped swing rod I, a connecting rod, a C-shaped swing rod II and a slider mechanism; the two ends of the first swing rod and the two ends of the connecting rod are respectively connected with the fixed part and the movable part to form a plane connecting rod structure, the end point of the V-shaped bottom end of the first swing rod is rotatably connected with the upper end point of the second swing rod, and the lower end point of the second swing rod is rotatably connected with the end point of the sliding block mechanism; the maximum opening and closing angle of the rotating movable piece and the fixed piece is at least 235 degrees, the moving direction of the movable piece is the same as the moving direction of the upper end point of the first swing rod before the upper end point of the first swing rod moves to the lower limit, and the movable piece rotates to the upper limit of the upper end point around the lower end point of the connecting rod after the upper end point of the first swing rod moves to the lower limit; the plane connecting rod mechanism drives the second oscillating bar to oscillate back and forth, and the slider mechanism converts the motion of the second oscillating bar into horizontal reciprocating motion which drives one end of the spring and the damping along the axial direction of the groove.

Description

Novel damping hinge for cabinet and wardrobe

Technical Field

The utility model belongs to the technical field of mechanical connecting part, especially, relate to a cupboard and novel damping hinge for wardrobe.

Background

The existing damping hinge has a plurality of parts and is complex, which brings great inconvenience to assembly and disassembly. In addition, the damping hinge in the prior art realizes the damping effect through the spring, but the spring has the problem of easy failure, so that the service life of the damping hinge is shortened. Meanwhile, the opening and closing angle of the damping hinge in the prior art is smaller, generally between 90 degrees and 115 degrees, so that the movable fan occupies a larger space when being opened, and the damping hinge capable of increasing the opening and closing angle is urgently needed to meet different requirements.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

Problem to existence among the prior art, the utility model aims at providing a cupboard and novel damping hinge for wardrobe, simple structure is stable, and reasonable in design, the moving part is 235 with the biggest angle of opening and shutting of mounting at least, the effectual angle that opens and shuts that has improved, the activity fan usage space has been saved, the comfort level of operation has been improved, can satisfy consumer's individualized demand simultaneously, when the moving part is closed, do not need extra external force to rotate the moving part, the damping has prolonged the time of closed moving part, the external force that the spring was unfolded and is produced to the inertial force of mounting has been reduced, the long service life of spring has been prolonged.

In order to achieve the purpose, the utility model provides a novel damping hinge for cabinets and wardrobes, which comprises a fixed part and a movable part movably connected with the fixed part, wherein the fixed part is provided with a groove for installing a spring and damping, and the damping hinge further comprises a V-shaped swing rod I, a connecting rod, a C-shaped swing rod II and a slider mechanism; the upper end point and the lower end point of the first oscillating bar and the connecting rod are respectively connected with the fixed piece and the movable piece to form a plane connecting rod structure, the end point of the V-shaped bottom end of the first oscillating bar is rotatably connected with the upper end point of the second oscillating bar, and the lower end point of the second oscillating bar is rotatably connected with the end point of the slider mechanism; the cross section of the fixed part and the movable part in a normal state is right-angled; the movable piece is rotated to realize that the maximum opening and closing angle between the movable piece and the fixed piece is at least 235 degrees through the planar connecting rod mechanism, the moving direction of the movable piece is the same as the moving direction of the upper end point of the first oscillating rod before the upper end point of the first oscillating rod moves to the lower limit, and the movable piece rotates around the lower end point of the connecting rod to the upper limit of the upper end point of the connecting rod after the upper end point of the first oscillating rod moves to the lower limit; the plane connecting rod mechanism drives the second oscillating bar to oscillate back and forth, and the slider mechanism converts the motion of the second oscillating bar into horizontal reciprocating motion which drives one end of the spring and the damping along the axial direction of the groove.

Preferably, the slider mechanism comprises a damping fixing frame for fixing the damping shell, a sliding chute with an inward concave oval hole and a spring frame arranged below the damping fixing frame and the sliding chute from left to right in sequence;

preferably, the upper part of the groove is sequentially provided with a damping limiting plate for compressing the damping contact, a limiting block for limiting the displacement of the sliding chute and a spring limiting plate arranged below the limiting block from left to right; when the fixed piece and the movable piece are in a normal state, the left end of the sliding groove is farthest away from the limiting block;

preferably, one end of the spring is fixedly connected with the spring limiting plate, and the other end of the spring is fixedly connected with the spring frame; when the fixed piece and the movable piece are in normal states, the spring is in a free state; when the movable piece rotates, the spring frame moves the compression spring rightwards along the axial direction of the groove;

preferably, when the fixed piece and the movable piece are in normal states, the damping contact is in contact with the damping limiting plate and is in a compressed state; when the movable piece rotates, the damping fixed mount drives the damping contact to be separated from the damping limiting plate and return to a free state;

preferably, the lower end point of the swing rod II can swing around the upper end point by an angle of at least 20 degrees.

The utility model provides a pair of cupboard and novel damping hinge for wardrobe has following beneficial effect:

1. the utility model discloses effectively avoided the problem that the damping hinge life-span that the spring became invalid and brought shortened, through the utility model discloses specific plane connecting rod structure makes the biggest angle of opening and shutting of moving part and mounting be 235 at least, and the effectual angle that opens and shuts that has improved has saved activity fan usage space, has improved the comfort level of operation, can satisfy consumer's individualized demand simultaneously.

2. The utility model discloses effectively avoided the problem that the damping hinge life-span that the spring became invalid and brought shortened, combined together through damping and spring, because the spring is in compression state, when the moving part is closed, do not need extra external force to rotate the moving part, the damping has prolonged the time of closed moving part, has reduced the external force that the spring was unfolded and is produced and to mounting 1's the inertial force, has prolonged the long service life of spring.

3. The fixing part, the moving part and the sliding mechanism are integrated, only the first swing rod, the second swing rod and the connecting rod are connected with the fixing part, the moving part and the sliding mechanism through the pin shaft, the fixing part is fixed with a fixing plate of a cabinet or a wardrobe and the moving part is fixed with a movable door of the cabinet or the wardrobe through bolts, mounting parts are few, the mounting and the dismounting are easy, and the requirement on mounting accuracy is low.

Drawings

Fig. 1 is a schematic structural view of the fixing member and the moving member of the novel damping hinge for the cabinet and the wardrobe in a 235-degree state.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a top view of fig. 1 with damping related components removed.

Fig. 4 is a schematic structural view of the fixing member and the moving member of the novel damping hinge for the cabinet and the wardrobe in a 90-degree state.

In the figure:

1. the fixed piece 11, the groove 12, the limiting block 13, the damping limiting plate 14, the spring limiting plate 2, the movable piece 3, the swing rod two 31, the upper end point 4, the swing rod one 41, the upper end point 42, the lower end point 5, the connecting rod 51, the upper end point 52, the lower end point 6, the slide block mechanism 61, the chute 62, the spring frame 63, the damping fixing frame 64, the end point 7, the damping contact 71, and the spring.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.

As shown in fig. 1-4, for the novel damping hinge for cabinets and wardrobes provided by the present invention, the damping hinge comprises a fixing member 1 and a moving member 2 movably connected with the fixing member 1, wherein the fixing member 1 is provided with a groove 11 for installing a spring 8 and a damping 7, and further comprises a V-shaped swing link one 4, a connecting rod 5, a C-shaped swing link two 3, and a slider mechanism 6; the upper end point 41 and the lower end point 42 of the first swing rod 4 and the upper end point 51 and the lower end point 52 of the connecting rod 5 are respectively and rotatably connected with the fixed part 1 and the movable part 2 through pin shafts to form a plane connecting rod structure, the end point of the V-shaped bottom end of the first swing rod 4 is rotatably connected with the upper end point 31 of the second swing rod 3 through a pin shaft, and the lower end point of the second swing rod 3 is rotatably connected with the end point 64 of the slider mechanism 6 through a pin shaft. The cross section of the normal state of the fixed part 1 and the movable part 2 is right-angled, and the maximum opening and closing angle of the movable part 2 and the fixed part 1 can be at least 235 degrees by rotating the movable part 2 through the plane connecting rod 5 mechanism. The slider mechanism 6 comprises a damping fixing frame 63 for fixing the shell of the damper 7, a sliding groove 61 with an inward sunken oval hole and a spring frame 62 arranged below the damping fixing frame and the sliding groove in sequence from left to right. A damping limit plate 13 for compressing the damping contact 71, a limit block 12 for limiting the displacement of the sliding chute 61, and a spring limit plate 14 disposed below the limit block 12 are sequentially disposed from left to right on the upper portion of the groove 11. When the fixed member 1 and the movable member 2 are in a normal state, the left end of the sliding groove 61 is farthest away from the limiting block 12. One end of the spring 8 is fixedly connected with the spring limiting plate 14, the other end of the spring 8 is fixedly connected with the spring frame 62, and when the fixed member 1 and the movable member 2 are in a normal state, the spring 8 is in a free state; when the movable element 2 rotates, the spring holder 62 moves the compression spring 8 to the right in the axial direction of the groove. When the fixed piece 1 and the movable piece 2 are in a normal state, the damping contact is in contact with the damping limiting plate 13 and is in a compressed state; when the movable member rotates, the damping fixing frame 63 drives the damping contact 711 to disengage from the damping limiting plate 13 to return to the free state. The lower end point of the swing rod II 3 can swing around the upper end point by an angle of at least 20 degrees. The rotary moving piece 2 drives the plane connecting rod 5 mechanism to drive the swing rod II 3 to swing in a reciprocating mode, and the slide block mechanism 6 converts the movement of the swing rod II 3 into horizontal reciprocating movement which drives one end of the spring 8 and the damping along the axial direction of the groove 11.

As shown in fig. 4, the cross-sectional view of the fixed member 1 and the movable member 2 in a normal state is a right-angled shape, the first swing rod 4 and the connecting rod 5 form a quadrilateral linkage mechanism, at this time, the left end of the sliding groove 61 is farthest away from the limiting block 12, the damping contact 71 is in contact with the damping limiting plate 13, the damping contact 71 is in a compressed state, and the spring 8 is in a free state.

As shown in fig. 1-3, the maximum opening and closing angle between the movable element 2 and the fixed element 1 is at least 235 ° by rotating the movable element 2 through the planar link mechanism, before the upper end point 41 of the swing link one 4 moves to the lower limit, the moving direction of the movable element 2 is the same as the moving direction of the lower end point 42 of the swing link one 4, the swing link one 4 swings downwards by driving the swing link 3, the slider mechanism 6 converts the movement of the swing link two 3 into a horizontal axial movement, i.e. the damping fixing frame 63 is driven by sliding along the limit block through the sliding chute to move away from the damping limit plate 13 so as to separate the damping contact 71 from the damping limit plate 13, and at the same time the spring holder 62 is driven to move away from the spring limit plate so as to keep the spring 8 in a compressed state, when the upper end point 41 of the swing link one 4 moves to the lower limit (, the movable piece 2 rotates around the lower end point 52 of the connecting rod 5 to the upper limit position of the upper end point 51 (namely, the lower end point 52 of the connecting rod 5 is in contact with the upper end point 31 of the swing rod two 3 in an abutting mode), and the opening of the movable piece 2 is realized. When the moving part 2 is closed, because the spring 8 is in a compressed state, the planar link mechanism is driven to rotate through the spring frame 62 under the traction of the compression spring 8, and then the moving part 2 is driven to reset, the moving part 2 is rotated without extra external force, when the moving part 2 is closed and the opening and closing angle between the moving part 2 and the fixing part 1 is 110 degrees, the damping contact 71 is contacted with the damping limiting plate 13 to send resistance, the inertia force of the external force generated by the spring recovering free state and unfolding on the fixing part 1 is reduced, and the closing of the moving part 2 is free of noise.

The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. A novel damping hinge for cabinets and wardrobes comprises a fixed part and a movable part movably connected with the fixed part, wherein the fixed part is provided with a groove for mounting a spring and damping, and is characterized by further comprising a V-shaped swing rod I, a connecting rod, a C-shaped swing rod II and a slider mechanism; the upper end point and the lower end point of the first oscillating bar and the connecting rod are respectively connected with the fixed piece and the movable piece to form a plane connecting rod structure, the end point of the V-shaped bottom end of the first oscillating bar is rotatably connected with the upper end point of the second oscillating bar, and the lower end point of the second oscillating bar is rotatably connected with the end point of the slider mechanism; the cross section of the fixed part and the movable part in a normal state is right-angled; the movable piece is rotated to realize that the maximum opening and closing angle between the movable piece and the fixed piece is at least 235 degrees through the planar connecting rod mechanism, the moving direction of the movable piece is the same as the moving direction of the upper end point of the first oscillating rod before the upper end point of the first oscillating rod moves to the lower limit, and the movable piece rotates around the lower end point of the connecting rod to the upper limit of the upper end point of the connecting rod after the upper end point of the first oscillating rod moves to the lower limit; the plane connecting rod mechanism drives the second oscillating bar to oscillate back and forth, and the slider mechanism converts the motion of the second oscillating bar into horizontal reciprocating motion which drives one end of the spring and the damping along the axial direction of the groove.

2. The damping hinge for cabinet and wardrobe as claimed in claim 1, wherein the sliding block mechanism comprises a damping fixing frame for fixing the damping housing, a sliding groove with an inward concave oval hole and a spring frame disposed below the sliding groove and the sliding groove in sequence from left to right.

3. The novel damping hinge for the cabinets and the wardrobes as claimed in claim 2, wherein the upper portion of the groove is provided with a damping limiting plate for compressing the damping contact, a limiting block for limiting the displacement of the sliding groove and a spring limiting plate arranged below the limiting block in sequence from left to right; when the fixed piece and the movable piece are in a normal state, the left end of the sliding groove is farthest away from the limiting block.

4. The novel damping hinge for cabinets and wardrobes as claimed in claim 3, wherein one end of said spring is fixedly connected with the spring limiting plate, and the other end is fixedly connected with the spring frame; when the fixed piece and the movable piece are in a normal state, the spring is in a free state; when the movable piece rotates, the spring frame moves the compression spring to the right along the axial direction of the groove.

5. The novel damping hinge for cabinets and wardrobes as claimed in claim 3, wherein when the fixed member and the movable member are in normal state, the damping contact is in compression state in contact with the damping limit plate; when the movable piece rotates, the damping fixing frame drives the damping contact to be separated from the damping limiting plate to recover the free state.

6. The damped hinge for cabinets and wardrobes as claimed in claim 1, wherein the lower end of said rocker bar two is swingable about the upper end by an angle of at least 20 °.