CN214698761U

CN214698761U - Sofa hinge

Info

Publication number: CN214698761U
Application number: CN202120546740.0U
Authority: CN
Inventors: 余萍; 薛坤伦
Original assignee: Chengdu Antai Dingxin Machinery Manufacturing Co ltd
Current assignee: Chengdu Antai Dingxin Machinery Manufacturing Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-12
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a sofa hinge, including first articulated slab, second articulated slab and articulated shaft, the articulated shaft rotation connection is passed through in one side that first articulated slab and second articulated slab are close to each other, and the front side fixed mounting of first articulated slab has first fixed plate, and the front side fixed mounting of second articulated slab has the second fixed plate, and the front side fixed mounting of first articulated slab has first location axle, and the one end that first articulated slab was kept away from to first location axle runs through first fixed plate, and the front side fixed mounting of first articulated slab has first spring, and the front side fixed mounting of second articulated slab has second location axle, and the one end that second articulated slab was kept away from to second location axle runs through the second fixed plate. The utility model relates to a rationally, the practicality is good, is convenient for adjust the articulated angle between first articulated slab and the second articulated slab to can fix first articulated slab and the second articulated slab that adjust, the simple operation, convenient to use.

Description

Sofa hinge

Technical Field

The utility model relates to a hinge technical field specifically is a sofa hinge.

Background

The hinge is also called a hinge, and is a mechanical device for connecting two solid bodies and allowing relative rotation between the two solid bodies, and the hinge can be formed by a movable component or a foldable material, and is mainly classified into a stainless steel hinge and an iron hinge according to the material.

However, in the prior art, when the common sofa hinge is used, the hinge angle is not convenient to adjust, the adjusted hinge angle is inconvenient to fix, the operation process is complicated, and the use effect is not ideal.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a sofa hinge, it is not convenient for adjust the hinge angle when using to have solved current sofa hinge to inconvenient fixes the hinge angle who adjusts, and operation process is loaded down with trivial details, the unsatisfactory problem of result of use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a sofa hinge comprises a first hinged plate, a second hinged plate and a hinged shaft, wherein one side, close to each other, of the first hinged plate and the second hinged plate is rotatably connected through the hinged shaft, a first fixing plate is fixedly arranged on the front side of the first hinged plate, a second fixing plate is fixedly arranged on the front side of the second hinged plate, a first positioning shaft is fixedly arranged on the front side of the first hinged plate, one end, far away from the first hinged plate, of the first positioning shaft penetrates through the first fixing plate, a first spring is fixedly arranged on the front side of the first hinged plate, a second positioning shaft is fixedly arranged on the front side of the second hinged plate, one end, far away from the second hinged plate, of the second positioning shaft penetrates through the second fixing plate, a connecting rod is hinged to the first positioning shaft, a fixing seat is fixedly arranged on the front side of the second hinged plate, a sliding hole is formed in one side of the fixing seat, one end, far away from the first positioning shaft, of the connecting rod penetrates through the sliding hole, and an arc-shaped clamping groove is formed in the top of the connecting rod, the bottom of second location axle is seted up flutedly, is provided with the fly leaf in the recess, and the top fixed mounting of fly leaf has the second spring, and the one end that the fly leaf was kept away from to the second spring and the top inner wall fixed connection of recess, and the bottom fixed mounting of fly leaf has the montant, and the bottom of montant extends to the recess outside and fixed mounting has the card ball, and in the bottom of card ball extended to the arc draw-in groove, and the bottom of card ball and the bottom inner wall sliding contact of arc draw-in groove.

Preferably, the bottom of the connecting rod is provided with a guide groove, the inner wall of the bottom of the sliding hole is fixedly provided with a guide post, and the guide post is slidably arranged in the guide groove.

Preferably, a sliding rod is fixedly installed in the guide groove, and the guide post is slidably sleeved on the sliding rod.

Preferably, the inner walls of the two sides of the groove are provided with limit grooves, and the two sides of the movable plate are respectively slidably mounted in the corresponding limit grooves.

Preferably, the balls are nested on two sides of the movable plate, and the two balls are in rolling contact with the inner wall of one side of the corresponding limiting groove respectively.

Preferably, the number of the arc-shaped clamping grooves is multiple, and the arc-shaped clamping grooves are arranged at equal intervals.

(III) advantageous effects

The utility model provides a sofa hinge. The method has the following beneficial effects:

the sofa hinge applies pulling force to the direction far away from the second hinged plate by pulling the first hinged plate, the first hinged plate drives the first positioning shaft and the connecting rod to rotate to the direction far away from the second hinged plate, so that the connecting rod horizontally slides in the sliding hole, the clamping ball gradually slides to the direction outside the corresponding arc-shaped clamping groove, the clamping ball pushes the vertical rod and the movable plate to slide to the direction in the groove in the sliding process, the second spring generates elastic force by compression deformation, when the clamping ball slides out of the corresponding arc-shaped clamping groove, the first hinged plate can be easily rotated, so that the connecting rod easily slides in the sliding hole, the connecting rod drives the arc-shaped clamping groove on the connecting rod to move, so that the clamping ball is clamped into the arc-shaped clamping groove below the clamping ball under the action of the elastic force of the second spring, and the hinged fixation of the first hinged plate and the second hinged plate is completed, according to the steps, pulling force is applied to the direction away from the second hinged plate by continuously pulling the first hinged plate, the hinged angle between the first hinged plate and the second hinged plate can be continuously adjusted and fixed, the hinged angle between the first hinged plate and the second hinged plate is gradually increased, in the same way, pushing force is applied to the direction close to the second hinged plate by pushing the first hinged plate, the hinged angle between the first hinged plate and the second hinged plate can be reduced and adjusted, and the hinge joint device is convenient to operate and convenient to use.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a first hinge plate; 2. a second hinge plate; 3. hinging a shaft; 4. a first fixing plate; 5. a second fixing plate; 6. a first positioning shaft; 7. a first spring; 8. a second positioning shaft; 9. a connecting rod; 10. a fixed seat; 11. a slide hole; 12. an arc-shaped clamping groove; 13. a groove; 14. a movable plate; 15. a second spring; 16. a vertical rod; 17. blocking the ball; 18. a guide groove; 19. a guide post; 20. a slide bar; 21. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a sofa hinge comprises a first hinged plate 1, a second hinged plate 2 and a hinged shaft 3, wherein one side of the first hinged plate 1, which is close to the second hinged plate 2, is rotatably connected through the hinged shaft 3, a first fixing plate 4 is fixedly arranged on the front side of the first hinged plate 1, a second fixing plate 5 is fixedly arranged on the front side of the second hinged plate 2, a first positioning shaft 6 is fixedly arranged on the front side of the first hinged plate 1, one end, which is far away from the first hinged plate 1, of the first positioning shaft 6 penetrates through the first fixing plate 4, a first spring 7 is fixedly arranged on the front side of the first hinged plate 1, a second positioning shaft 8 is fixedly arranged on the front side of the second hinged plate 2, one end, which is far away from the second hinged plate 2, of the second positioning shaft 8 penetrates through the second fixing plate 5, a connecting rod 9 is hinged on the first positioning shaft 6, a fixing seat 10 is fixedly arranged on the front side of the second hinged plate 2, and one side of the fixing seat 10 is provided with a sliding hole 11, one end of the connecting rod 9 far away from the first positioning shaft 6 runs through the sliding hole 11, an arc-shaped clamping groove 12 is formed in the top of the connecting rod 9, a groove 13 is formed in the bottom of the second positioning shaft 8, a movable plate 14 is arranged in the groove 13, a second spring 15 is fixedly arranged at the top of the movable plate 14, one end of the second spring 15 far away from the movable plate 14 and the top inner wall of the groove 13 are fixedly connected, a vertical rod 16 is fixedly arranged at the bottom of the movable plate 14, a clamping ball 17 is fixedly arranged at the bottom end of the vertical rod 16 and extends out of the groove 13, the bottom of the clamping ball 17 extends into the arc-shaped clamping groove 12, and the bottom of the clamping ball 17 is in sliding contact with the bottom inner wall of the arc-shaped clamping groove 12.

Guide way 18 has been seted up to the bottom of connecting rod 9, fixed mounting has guide post 19 on the bottom inner wall of slide opening 11, guide post 19 slidable mounting is in guide way 18, fixed mounting has slide bar 20 in the guide way 18, guide post 19 slip cap is established on slide bar 20, spacing groove 21 has all been seted up on the both sides inner wall of recess 13, the both sides of fly leaf 14 are slidable mounting respectively in corresponding spacing groove 21, the ball has all been nested in the both sides of fly leaf 14, two balls respectively with one side inner wall rolling contact of corresponding spacing groove 21, the quantity of arc draw-in groove 12 is a plurality of, be equidistant the arranging to a plurality of arc draw-in groove 12.

When the hinge joint angle between the first hinge plate 1 and the second hinge plate 2 needs to be adjusted, firstly, the first hinge plate 1 is pulled to apply a pulling force to a direction away from the second hinge plate 2, the first hinge plate 1 drives the first positioning shaft 6 and the connecting rod 9 to rotate to a direction away from the second hinge plate 2, as the connecting rod 9 is hinged with the first positioning shaft 6, the connecting rod 9 horizontally slides in the sliding hole 11, the clamping ball 17 gradually slides to a direction outside the corresponding arc-shaped clamping groove 12, the clamping ball 17 pushes the vertical rod 16 and the movable plate 14 to slide to a direction in the groove 13 in the sliding process, the movable plate 14 drives the two ball bearings to slide in the corresponding limiting grooves 21, the second spring 15 is compressed and deformed to generate an elastic force, when the clamping ball 17 slides out of the corresponding arc-shaped clamping groove 12, the first hinge plate 1 can be easily rotated, so that the connecting rod 9 easily slides in the sliding hole 11, the guide post 19 slides in the guide groove 18, the blocking ball 17 slides on the top of the connecting rod 9, the connecting rod 9 drives the arc-shaped blocking groove 12 on the connecting rod to move, when the blocking ball 17 is positioned at the notch position of the other arc-shaped blocking groove 12, the blocking ball 17 is blocked in the arc-shaped blocking groove 12 below the blocking ball under the action of the elastic force of the second spring 15, namely, the hinged fixing of the first hinged plate 1 and the second hinged plate 2 is completed, according to the steps, the first hinged plate 1 is continuously pulled to apply pulling force in the direction away from the second hinged plate 2, the hinged angle between the first hinged plate 1 and the second hinged plate 2 can be continuously adjusted and fixed, the hinged angle between the first hinged plate 1 and the second hinged plate 2 is gradually increased, and similarly, the pushing force of the first hinged plate 1 is applied in the direction close to the second hinged plate 2, the hinged angle between the first hinged plate 1 and the second hinged plate 2 can be reduced and adjusted, the operation is convenient, the use is convenient, and the content which is not described in detail in the specification belongs to the prior art which is known by the technicians in the field.

To sum up, the sofa hinge applies a pulling force to a direction away from the second hinged plate 2 by pulling the first hinged plate 1, the first hinged plate 1 drives the first positioning shaft 6 and the connecting rod 9 to rotate to the direction away from the second hinged plate 2, so that the connecting rod 9 horizontally slides in the sliding hole 11, the ball 17 gradually slides to the direction outside the corresponding arc-shaped slot 12, the ball 17 pushes the vertical rod 16 and the movable plate 14 to slide in the groove 13 in the sliding process, the second spring 15 generates an elastic force by compression deformation, when the ball 17 slides out of the corresponding arc-shaped slot 12, the first hinged plate 1 can be easily rotated, so that the connecting rod 9 easily slides in the sliding hole 11, the connecting rod 9 drives the arc-shaped slot 12 thereon to move, so that when the ball 17 is located at the notch position of another arc-shaped slot 12, under the elastic force of the second spring 15, so that the clamping balls 17 are clamped in the arc-shaped clamping grooves 12 below the clamping balls, namely, the hinged fixing of the first hinged plate 1 and the second hinged plate 2 is completed, according to the steps, the first hinged plate 1 is continuously pulled to apply pulling force to the direction far away from the second hinged plate 2, the hinged angle between the first hinged plate 1 and the second hinged plate 2 can be continuously adjusted and fixed, the hinged angle between the first hinged plate 1 and the second hinged plate 2 is gradually increased, and similarly, the first hinged plate 1 is pushed to apply pushing force to the direction close to the second hinged plate 2, the hinged angle between the first hinged plate 1 and the second hinged plate 2 can be reduced and adjusted, the operation is convenient and fast, the use is convenient, the utility model has reasonable design and good practicability, the hinged angle between the first hinged plate 1 and the second hinged plate 2 can be conveniently adjusted, and the first hinged plate 1 and the second hinged plate 2 can be fixed, the operation is convenient and fast, and the use is convenient.

Claims

1. The utility model provides a sofa hinge, includes first articulated slab (1), second articulated slab (2) and articulated shaft (3), its characterized in that: one side of the first hinged plate (1) and one side of the second hinged plate (2), which are close to each other, are rotatably connected through a hinged shaft (3), a first fixing plate (4) is fixedly installed at the front side of the first hinged plate (1), a second fixing plate (5) is fixedly installed at the front side of the second hinged plate (2), a first positioning shaft (6) is fixedly installed at the front side of the first hinged plate (1), one end, far away from the first hinged plate (1), of the first positioning shaft (6) penetrates through the first fixing plate (4), a first spring (7) is fixedly installed at the front side of the first hinged plate (1), a second positioning shaft (8) is fixedly installed at the front side of the second hinged plate (2), one end, far away from the second hinged plate (2), of the second positioning shaft (8) penetrates through the second fixing plate (5), a connecting rod (9) is hinged on the first positioning shaft (6), and a fixing seat (10) is fixedly installed at the front side of the second hinged plate (2), one side of the fixing seat (10) is provided with a sliding hole (11), one end, away from the first positioning shaft (6), of the connecting rod (9) penetrates through the sliding hole (11), an arc-shaped clamping groove (12) is formed in the top of the connecting rod (9), a groove (13) is formed in the bottom of the second positioning shaft (8), a movable plate (14) is arranged in the groove (13), a second spring (15) is fixedly arranged at the top of the movable plate (14), one end, away from the movable plate (14), of the second spring (15) is fixedly connected with the inner wall of the top of the groove (13), a vertical rod (16) is fixedly arranged at the bottom of the movable plate (14), the bottom end of the vertical rod (16) extends out of the groove (13) and is fixedly provided with a clamping ball (17), the bottom of the clamping ball (17) extends into the arc-shaped clamping groove (12), and the bottom of the clamping ball (17) is in sliding contact with the inner wall of the bottom of the arc-shaped clamping groove (12).

2. The sofa hinge according to claim 1, wherein: a guide groove (18) is formed in the bottom of the connecting rod (9), a guide column (19) is fixedly mounted on the inner wall of the bottom of the sliding hole (11), and the guide column (19) is slidably mounted in the guide groove (18).

3. The sofa hinge according to claim 2, wherein: a sliding rod (20) is fixedly installed in the guide groove (18), and the guide column (19) is sleeved on the sliding rod (20) in a sliding manner.

4. The sofa hinge according to claim 1, wherein: limiting grooves (21) are formed in the inner walls of the two sides of the groove (13), and the two sides of the movable plate (14) are respectively slidably mounted in the corresponding limiting grooves (21).

5. The sofa hinge according to claim 4, wherein: balls are nested on two sides of the movable plate (14), and the two balls are in rolling contact with the inner wall of one side of the corresponding limiting groove (21) respectively.

6. The sofa hinge according to claim 1, wherein: the number of the arc-shaped clamping grooves (12) is multiple, and the arc-shaped clamping grooves (12) are arranged at equal intervals.