Folding hinge mechanism of automobile central armrest

Abstract

The utility model relates to the technical field of hinges, and discloses a folding hinge mechanism of an automobile central armrest, which comprises a base, a hinge structure and a cover plate, one end of the base is rotatably connected with the cover plate through the hinge structure, and the hinge structure comprises a first mounting plate, a second mounting plate, a tension spring, a first sliding rod, a second sliding rod, an anti-falling block and a pressing plate. One end of the first mounting plate is rotationally connected with a second mounting plate through a pin rod, clamping blocks are arranged at the two ends of the first mounting plate, baffles are arranged at the two ends of the second mounting plate, first sliding grooves and second sliding grooves are formed in the outer surfaces of the baffles, and first sliding rods are slidably connected into the first sliding grooves. The first sliding rod, the clamping block, the tension spring, the first notch and the second notch are used in cooperation, the self-locking effect of the first mounting plate and the second mounting plate can be achieved, when the cover plate is opened, a user does not need to support the cover plate with hands all the time, the cover plate and the base cannot be closed, and the good practical effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a folding hinge mechanism for a central armrest of an automobile. Background Art

[0002] Hinge refers to hinge, which is used to connect two mechanical devices and can achieve movement, folding, etc. It is generally installed on doors and windows, wardrobe doors, and cabinet doors. Hinge plays an important role on the central armrest box.

[0003] The utility model patent application document with publication number "CN204821226U" discloses a folding hinge mechanism for a central armrest of a car, which is mainly composed of a first plate, a first leg, a second plate, a second leg, a first bearing, a first spring, a third plate, a second bearing and a second spring. The technical solution has a rebound function and is easy to use.

[0004] The folding hinge mechanism of the automobile center armrest disclosed in the above document has the following defects: the folding hinge mechanism of the automobile center armrest only has a rebound function during use and cannot achieve a self-locking effect, so that when the cover of the center armrest is opened, a person needs to hold the cover of the center armrest all the time, otherwise the cover will be closed due to the rebound function.

[0005] It can be seen from this that the existing folding hinge mechanism of the central armrest of the automobile does not have a self-locking function, and it is necessary to improve the existing shortcomings and provide a central armrest box flip hinge. Summary of the invention

[0006] The purpose of the utility model is to provide a folding hinge mechanism for a central armrest of an automobile, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The foldable hinge mechanism of the central armrest of an automobile comprises a base, a hinge structure and a cover plate, wherein one end of the base is rotatably connected to the cover plate through the hinge structure, and the hinge structure comprises a first mounting plate, a second mounting plate, a tension spring, a first sliding rod, a second sliding rod, an anti-dropping block and a pressing plate, one end of the first mounting plate is rotatably connected to the second mounting plate through a pin rod, both ends of the first mounting plate are provided with a clamping block, both ends of the second mounting plate are provided with a baffle, the outer surface of the baffle is provided with a first sliding groove and a second sliding groove, the first sliding groove is slidably connected to the first sliding rod inside, the second sliding groove is slidably connected to the second sliding rod inside, the upper surface of the second mounting plate is provided with a clamping block, the clamping block is fixed in two and symmetrically arranged, the clamping block is installed inside the clamping block, the other end of the tension spring is installed on the outer surface of the first sliding rod, both ends of the second sliding rod are provided with an anti-dropping block, and the outer surface of the second sliding rod is installed with a pressing plate.

[0009] Furthermore, a first notch and a second notch are formed on an outer surface of the clamping block, and the diameters of the first notch and the second notch are consistent and larger than the diameter of the first sliding rod.

[0010] Furthermore, a first mounting hole is opened on the outer surface of the first mounting plate, the first mounting holes are fixed to four and evenly distributed, a first bolt is installed inside the first mounting hole, and the first mounting plate is movably mounted on the outer surface of the cover plate through the first bolt.

[0011] Furthermore, a connecting ear block is provided on one side of the second mounting plate, and the connecting ear blocks are fixed in two and symmetrically arranged. Second mounting holes are opened on the outer surfaces of the connecting ear block and the second mounting plate, and the second mounting holes are fixed in four and symmetrically arranged. Second bolts are installed inside the second mounting holes, and the second mounting plate is movably mounted on the outer surface of the base through the second bolts.

[0012] Furthermore, the pressing plate includes a connecting plate, a connecting end, a pressing end and a connecting block, a pressing end is provided on one side of the connecting plate, a connecting end is provided on the lower surface of the connecting plate, the connecting ends are fixed in two and symmetrically arranged, a connecting block is provided on one side of the connecting end, and through holes are provided on the outer surfaces of the connecting block and the connecting end.

[0013] Furthermore, the connecting end is installed on the outer surface of the second sliding rod, and the connecting block is installed on the outer surface of the first sliding rod.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model can achieve a self-locking effect between the first mounting plate and the second mounting plate by using the first sliding rod, the clamping block, the tension spring, the first notch and the second notch in coordination, so that when the cover is opened, the user does not need to support it with his hands all the time, and the cover and the base will not close, thereby achieving a better practical effect.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the hinge structure of the utility model;

[0020] Figure 3 This is an exploded view of the hinge structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the second mounting plate of the utility model;

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] In the figure: 1. base; 2. hinge structure; 201. first mounting plate; 20101. clamping block; 20102. first notch; 20103. second notch; 20104. first mounting hole; 202. second mounting plate; 20201. baffle; 20202. first slide groove; 20203. second slide groove; 20204. clamping block; 20205. connecting ear block; 20206. second mounting hole; 203. tension spring; 204. first slide rod; 205. second slide rod; 206. anti-slip block; 207. pressing plate; 20701. connecting plate; 20702. connecting end; 20703. pressing end; 20704. connecting block; 3. cover plate; 4. first bolt; 5. second bolt; 6. through hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 - Figure 4 As shown, the utility model is a folding hinge mechanism for a central armrest of a car, comprising a base 1, a hinge structure 2 and a cover plate 3. One end of the base 1 is rotatably connected to the cover plate 3 through the hinge structure 2. The hinge structure 2 comprises a first mounting plate 201, a second mounting plate 202, a tension spring 203, a first slide bar 204, a second slide bar 205, an anti-slip block 206 and a pressing plate 207. One end of the first mounting plate 201 is rotatably connected to the second mounting plate 202 through a pin rod. Both ends of the first mounting plate 201 are provided with a clamping block 20101, and both ends of the second mounting plate 202 are provided with a baffle 20201. The baffle 20201 The outer surface is provided with a first slide groove 20202 and a second slide groove 20203, the first slide groove 20202 is internally slidably connected to the first slide bar 204, the second slide groove 20203 is internally slidably connected to the second slide bar 205, the upper surface of the second mounting plate 202 is provided with a clamping block 20204, the clamping block 20204 is fixed in two and symmetrically arranged, a tension spring 203 is installed inside the clamping block 20204, the other end of the tension spring 203 is installed on the outer surface of the first slide bar 204, both ends of the second slide bar 205 are provided with anti-slip blocks 206, and the outer surface of the second slide bar 205 is installed with a pressing plate 207.

[0026] A first notch 20102 and a second notch 20103 are formed on the outer surface of the block 20101 . The diameters of the first notch 20102 and the second notch 20103 are consistent and larger than the diameter of the first sliding rod 204 .

[0027] The outer surface of the first mounting plate 201 is provided with first mounting holes 20104 , which are fixed to four and evenly distributed. First bolts 4 are installed inside the first mounting holes 20104 , and the first mounting plate 201 is movably mounted on the outer surface of the cover plate 3 through the first bolts 4 .

[0028] A connecting ear block 20205 is provided on one side of the second mounting plate 202. The connecting ear blocks 20205 are fixed in two and symmetrically arranged. Second mounting holes 20206 are provided on the outer surfaces of the connecting ear block 20205 and the second mounting plate 202. The second mounting holes 20206 are fixed in four and symmetrically arranged. Second bolts 5 are installed inside the second mounting holes 20206. The second mounting plate 202 is movably mounted on the outer surface of the base 1 through the second bolts 5.

[0029] The pressing plate 207 includes a connecting plate 20701, a connecting end 20702, a pressing end 20703 and a connecting block 20704. A pressing end 20703 is provided on one side of the connecting plate 20701, a connecting end 20702 is provided on the lower surface of the connecting plate 20701, the connecting end 20702 is fixed in two and symmetrically arranged, a connecting block 20704 is provided on one side of the connecting end 20702, and through holes 6 are provided on the outer surfaces of the connecting block 20704 and the connecting end 20702.

[0030] The connecting end 20702 is installed on the outer surface of the second sliding bar 205 , and the connecting block 20704 is installed on the outer surface of the first sliding bar 204 .

[0031] When in use, first install the first mounting plate 201 on the outer surface of the cover plate 3 through the first bolt 4, and then install the second mounting plate 202 on the outer surface of the base 1 through the second bolt 5. After installation, press the pressing end 20703 by hand to make the connecting plate 20701 drive the connecting end 20702 and the connecting block 20704 to move, and the connecting block 20704 drives the first slide bar 204 to move to the right inside the first slide groove 20202. At the same time, the connecting end 20702 drives the second slide bar 205 to move obliquely downward inside the second slide groove 20203. When the first slide bar 204 is pulled, the tension spring 203 is stretched. When the first slide bar 204 is completely separated from the second notch 20103, the first mounting plate 201 and the second mounting plate 202 are freed from the limit, so that the cover plate 3 can be buckled with the base 1. When the cover plate 3 is After the base 1 is buckled, the tension spring 203 restores its elasticity, and the tension spring 203 drives the first slide bar 204 to move to the left inside the first slide groove 20202 for reset. At the same time, the first slide bar 204 drives the connecting block 20704 to move. When the connecting block 20704 moves, the second slide bar 205 moves obliquely upward inside the second slide groove 20203 for reset. When the first slide bar 204 moves to the inside of the first slot 20102, the first mounting plate 201 and the second mounting plate 202 are closed. When the cover 3 needs to be opened, the cover 3 is pulled outward to make the first slide bar 204 leave the inside of the first slot 20102. When the first slide bar 204 moves to the inside of the second slot 20103, the self-locking of the first mounting plate 201 and the second mounting plate 202 is completed, thereby supporting the cover 3 so that the cover 3 will not be actively closed.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A folding hinge mechanism for a central armrest of an automobile, comprising a base (1), a hinge structure (2) and a cover plate (3), characterized in that: One end of the base (1) is rotatably connected to a cover plate (3) via a hinge structure (2); The hinge structure (2) comprises a first mounting plate (201), a second mounting plate (202), a tension spring (203), a first sliding rod (204), a second sliding rod (205), an anti-slip block (206) and a pressing plate (207); One end of the first mounting plate (201) is rotatably connected to the second mounting plate (202) via a pin rod; both ends of the first mounting plate (201) are provided with a clamping block (20101); both ends of the second mounting plate (202) are provided with a baffle (2201); the outer surface of the baffle (20201) is provided with a first slide groove (2202) and a second slide groove (2203); the first slide groove (2202) is slidably connected to the inside of the first slide groove (204); the second slide groove (20203) is provided with a first slide rod (204) and a second slide rod (204) is provided. A second slide bar (205) is slidably connected to the inside of the second slide bar (205), a clamping block (20204) is provided on the upper surface of the second mounting plate (202), the clamping block (20204) is fixed in two and symmetrically arranged, a tension spring (203) is installed inside the clamping block (20204), the other end of the tension spring (203) is installed on the outer surface of the first slide bar (204), both ends of the second slide bar (205) are provided with anti-dropping blocks (206), and a pressing plate (207) is installed on the outer surface of the second slide bar (205).

2. The folding hinge mechanism of the automobile central armrest according to claim 1, characterized in that: The outer surface of the block (20101) is provided with a first notch (20102) and a second notch (20103); the diameters of the first notch (20102) and the second notch (20103) are consistent and larger than the diameter of the first sliding rod (204).

3. The folding hinge mechanism of the automobile central armrest according to claim 1, characterized in that: The outer surface of the first mounting plate (201) is provided with first mounting holes (20104), the first mounting holes (20104) are fixed as four and evenly distributed, first bolts (4) are installed inside the first mounting holes (20104), and the first mounting plate (201) is movably mounted on the outer surface of the cover plate (3) via the first bolts (4).

4. The folding hinge mechanism for the central armrest of an automobile according to claim 1, characterized in that: A connecting ear block (20205) is provided on one side of the second mounting plate (202), the connecting ear blocks (20205) are fixed in two and symmetrically arranged, the outer surfaces of the connecting ear blocks (20205) and the second mounting plate (202) are both provided with second mounting holes (20206), the second mounting holes (20206) are fixed in four and symmetrically arranged, second bolts (5) are installed inside the second mounting holes (20206), and the second mounting plate (202) is movably mounted on the outer surface of the base (1) via the second bolts (5).

5. The folding hinge mechanism for the central armrest of an automobile according to claim 1, characterized in that: The pressing plate (207) comprises a connecting plate (20701), a connecting end (20702), a pressing end (20703) and a connecting block (20704); A pressing end (20703) is provided on one side of the connecting plate (20701), a connecting end (20702) is provided on the lower surface of the connecting plate (20701), the connecting ends (20702) are fixed in two and symmetrically arranged, a connecting block (20704) is provided on one side of the connecting end (20702), and through holes (6) are provided on the outer surfaces of the connecting block (20704) and the connecting end (20702).

6. The folding hinge mechanism for the central armrest of an automobile according to claim 5, characterized in that: The connection end (20702) is mounted on the outer surface of the second sliding rod (205), and the connection block (20704) is mounted on the outer surface of the first sliding rod (204).

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