A hidden folding damping hinge and a car seat small table plate with the hinge

Abstract

The present application relates to the technical field of automotive interior technology, and relates to a hidden folding damping hinge and a hinge-equipped automobile seat table board, which comprises a bridging shell, Y-shaped damping leaf springs, a split pin, a plug, a connecting plate, a buffer pad and a mandrel. The bridging shell is internally provided with two groups of Y-shaped damping leaf spring positioning grooves, each group of the Y-shaped damping leaf spring positioning grooves is internally fitted with at least two Y-shaped damping leaf springs, the plug is mounted at the end of the Y-shaped damping leaf spring positioning groove, the connecting plate is rotationally arranged on the outer side of the Y-shaped damping leaf spring positioning groove, one end of the buffer pad is abutted against the bridging shell, and the other end of the buffer pad is abutted against the connecting plate, the mandrel penetrates through the connecting plate and the bridging shell, and forms a friction pair with the Y-shaped damping leaf springs to generate damping force. The hinge of the present application improves the stability of the table board through the damping structure and the limiting mechanism, and improves the overall appearance through the hidden layout.

Description

Technical Field

[0001] This utility model relates to the field of automotive interior technology, and specifically to a concealed folding damping hinge and a small table for automotive seats with hinges. Background Technology

[0002] As the "third space" of the future, the intelligent cockpit will be endowed with multiple functions such as rest, learning, entertainment, and work, and will have more demand for comfort and practicality. Some high-end models are equipped with folding small table assemblies in the second row space, and the two tabletops can be folded together and unfolded horizontally through a hinge mechanism.

[0003] The existing small table has a hinge without damping function, which makes it loose and unpleasant to use. If used in a car on a bumpy road, it is easy to produce abnormal noise. Moreover, the hinge mechanism can be seen directly from above the table, which is not only unsightly, but also makes it easy for foreign objects to get stuck in the gap. Utility Model Content

[0004] To address the problems of the prior art, this utility model provides a concealed folding damping hinge and a small table for car seats with hinges.

[0005] The objective of this utility model can be achieved through the following technical solution: a concealed folding damping hinge, comprising:

[0006] A bridging housing, wherein the bridging housing is provided with two sets of Y-shaped damping leaf spring positioning grooves inside;

[0007] Y-type damping leaf springs, each set of Y-type damping leaf springs is equipped with at least two Y-type damping leaf springs in the positioning groove;

[0008] Cotter pin;

[0009] A plug, wherein the plug is installed at the end of the Y-shaped damping leaf spring positioning groove;

[0010] A connecting plate, which is rotatably disposed on the outside of the Y-shaped damping leaf spring positioning groove;

[0011] A buffer pad, one end of which abuts against the bridging housing and the other end of which abuts against the connecting plate;

[0012] The mandrel passes through the connecting plate and the bridging housing, and forms a friction pair with the Y-type damping leaf spring to generate damping force.

[0013] In a further improvement, the Y-type damping leaf spring includes a bridging housing assembly limiting surface one, a cotter pin semicircular limiting groove, and a spindle assembly hole. The bridging housing assembly limiting surface one is correspondingly provided with the Y-type damping leaf spring positioning groove, and the cotter pin is inserted into the cotter pin semicircular limiting groove for limiting.

[0014] In a further improvement, the connecting plate includes a fixed end connecting plate and a flip end connecting plate. Both the fixed end connecting plate and the flip end connecting plate are provided with a mandrel fine end assembly hole, a mandrel coarse end assembly hole unfolded state limiting surface, and a folded state limiting surface. The mandrel includes a damping spring assembly outer diameter, a fine end straight-lined mounting end, and a coarse end straight-lined mounting end. The fine end straight-lined mounting end is interference-fitted into the mandrel fine end assembly hole, and the coarse end straight-lined mounting end is interference-fitted into the mandrel coarse end assembly hole. The damping spring assembly outer diameter is inserted into the mandrel assembly hole of the Y-type damping spring.

[0015] In a further improvement, the plug is provided with a second bridging housing assembly surface, a spindle positioning hole, and a rotating plate limiting surface. The second bridging housing assembly surface can be embedded in the Y-shaped damping leaf spring positioning groove, and the end of the spindle is inserted into the spindle positioning hole.

[0016] In a further improvement, the fixed end connecting plate and the flip end connecting plate are also provided with buffer pad assembly holes, and the buffer pad is disposed in the buffer pad assembly holes.

[0017] In a further improvement, the bridging housing is also provided with a Y-shaped damping spring assembly limiting surface, a cotter pin semi-circular limiting groove, a plug positioning groove, a spindle positioning hole, an unfolded state limiting surface, a folded state limiting surface, and a U-shaped clearance. The Y-shaped damping spring assembly limiting surface is used to install the Y-shaped damping spring, the cotter pin semi-circular limiting groove is used to install the cotter pin, the plug positioning groove is used to install the plug, and the spindle positioning hole is used to limit the spindle.

[0018] In a further improvement, the buffer pad is provided with an unfolded state limiting surface and an assembly barb. The assembly barb of the buffer pad is connected to the assembly interface of the bridging housing, and the unfolded state limiting surface contacts the unfolded state limiting surface of the bridging housing to achieve buffering and limiting.

[0019] A car seat tray table, comprising:

[0020] Concealed folding damping hinge;

[0021] The small table board body includes a fixed board body and a flip board body. The fixed board body is connected to the fixed end connecting plate, and the flip board body is connected to the flip end connecting plate.

[0022] In a further improvement, both the fixed end connecting plate and the flip end connecting plate are provided with small table positioning posts and small table assembly holes, which are used to fix the fixed end connecting plate or the flip end connecting plate.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. This utility model features an internal self-limiting structure. When the small table is fully unfolded, the unfolding limiting surface of the buffer pad first contacts the limiting surface of the bridging shell, and the soft material of the buffer pad provides cushioning to eliminate abnormal noise. Subsequently, the unfolding limiting surface of the fixed end or flip end connecting plate contacts the limiting surface of the bridging shell, forming a hard limit to ensure the table is stable after being flattened and to prevent warping. When the small table is fully folded, the folding limiting surface of the fixed end or flip end connecting plate contacts the limiting surface of the bridging shell, forming a hard limit to ensure the table is folded tightly. The folding limiting feature of the connecting plate is L-shaped, which hides the clearance space of the bridging shell, making the bottom of the table free of extra lines and more aesthetically pleasing.

[0025] 2. In this invention, during rotation, the spindle and connecting plate are fixed together, and the Y-shaped damping spring and bridging housing are fixed together by a cotter pin. When the bridging housing and connecting plate rotate relative to each other, the outer diameter of the spindle and the mounting hole of the Y-shaped damping spring rotate along the axis, and the two slightly interfere with each other to form a friction pair, generating damping force, making the tabletop flip smoothly and improving the operating quality;

[0026] 3. The bridging housing of this utility model has a U-shaped clearance. When the table is flattened, the hinge is hidden under the table. When folded, the covering feature moves into the U-shaped clearance to avoid interference and ensure normal use and aesthetics. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the hinge structure of this utility model;

[0028] Figure 2 This is an exploded view of the hinge of this utility model;

[0029] Figure 3 This is a schematic diagram of the structure of this utility model during demonstration;

[0030] Figure 4 This is a partial cross-sectional view of the present invention.

[0031] Figure 5 This is a schematic diagram of the structure of this utility model when folded;

[0032] Figure 6 This is a cross-sectional view of the present invention when folded;

[0033] Figure 7 This is a side view of the bridging housing of this utility model;

[0034] Figure 8 This is a front view of the Y-type damping leaf spring of this utility model;

[0035] Figure 9 This is a structural schematic diagram of the fixed end connecting plate of this utility model;

[0036] Figure 10This is a schematic diagram of the structure of the plug of this utility model;

[0037] Figure 11 This is a schematic diagram of the cotter pin structure of this utility model;

[0038] Figure 12 This is a schematic diagram of the structure of the buffer pad of this utility model;

[0039] Figure 13 This is a schematic diagram of the mandrel structure of this utility model.

[0040] In the diagram, 101 is the bridging housing; 101a is the Y-type damping spring positioning groove; 101b is the Y-type damping spring assembly limiting surface; 101c is the cotter pin semi-circular limiting groove; 101d is the plug positioning groove; 101e is the spindle positioning hole; 101f is the limiting surface in the unfolded state; 101g is the limiting surface in the folded state; 101h is the U-shaped clearance; 102 is the Y-type damping spring; 102a is the bridging housing assembly limiting surface one; 102b is the cotter pin semi-circular limiting groove; 102c is the spindle assembly hole; 103 is the cotter pin; 104 is the plug; 104a is the bridging housing assembly surface two; 104b is the spindle positioning hole; 104c is the... 105. Rotating plate limiting surface; 105. Fixed end connecting plate; 105a. Mandrel fine end assembly hole; 105b. Mandrel coarse end assembly hole; 105c. Small table positioning post; 105d. Small table assembly hole; 105e. Expanded state limiting surface; 105f. Folded state limiting surface; 105g. Buffer pad assembly hole; 106. Flipping end connecting plate; 107. Buffer pad; 107a. Expanded state limiting surface; 107b. Assembly barb; 108. Mandrel; 108a. Damping leaf spring assembly outer diameter; 108b. Fine end straight-lined mounting end; 108c. Coarse end straight-lined mounting end; 200. Small table plate body; 201. Fixed plate body; 202. Flipping plate body. Detailed Implementation

[0041] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0043] The following is a description of the embodiments and appendices. Figures 1-13 The technical solution of this utility model will be further described below.

[0044] Example 1

[0045] A concealed folding damping hinge, comprising:

[0046] The bridging housing 101 has two sets of Y-shaped damping leaf spring positioning grooves 101a inside;

[0047] Y-type damping leaf spring 102, each set of Y-type damping leaf spring positioning groove 101a is equipped with at least two Y-type damping leaf springs 102;

[0048] Cotter pin 103;

[0049] A plug 104 is installed at the end of the Y-shaped damping leaf spring positioning groove 101a;

[0050] A connecting plate, which is rotatably disposed on the outside of the Y-shaped damping leaf spring positioning groove 101a;

[0051] A buffer pad 107, one end of which abuts against the bridging housing 101, and the other end of which abuts against the connecting plate;

[0052] The spindle 108 passes through the connecting plate and the bridging housing 101, and forms a friction pair with the Y-type damping leaf spring 102 to generate damping force.

[0053] As a further preferred embodiment, the Y-type damping leaf spring 102 includes a bridging housing assembly limiting surface 102a, a cotter pin semicircular limiting groove 102b, and a spindle assembly hole 102c. The bridging housing assembly limiting surface 102a is correspondingly provided with the Y-type damping leaf spring positioning groove 101a, and the cotter pin 103 is inserted into the cotter pin semicircular limiting groove 102b for limiting.

[0054] As a further preferred embodiment, the connecting plate includes a fixed end connecting plate 105 and a flip end connecting plate 106. Both the fixed end connecting plate 105 and the flip end connecting plate 106 are provided with a mandrel fine end assembly hole 105a, a mandrel coarse end assembly hole 105b, an unfolded state limiting surface 105e, and a folded state limiting surface 105f. The mandrel 108 includes a damping leaf spring assembly outer diameter 108a, a fine end straight-lined mounting end 108b, and a coarse end straight-lined mounting end 108c. The fine end straight-lined mounting end 108b is interference-fitted into the mandrel fine end assembly hole 105a, and the coarse end straight-lined mounting end 108c is interference-fitted into the mandrel coarse end assembly hole 105b. The damping leaf spring assembly outer diameter 108a is inserted into the mandrel assembly hole 102c of the Y-type damping leaf spring 102.

[0055] As a further preferred embodiment, the plug 104 is provided with a bridging housing assembly surface 104a, a spindle positioning hole 104b, and a rotating plate limiting surface 104c. The bridging housing assembly surface 104a can be embedded in the Y-shaped damping leaf spring positioning groove 101a, and the end of the spindle 108 is inserted into the spindle positioning hole 104b.

[0056] As a further preferred embodiment, the fixed end connecting plate 105 and the flip end connecting plate 106 are also provided with buffer pad assembly holes 105g, and the buffer pad 107 is disposed in the buffer pad assembly holes 105g.

[0057] As a further preferred embodiment, the bridging housing 101 is also provided with a Y-shaped damping spring assembly limiting surface 101b, a cotter pin semi-circular limiting groove 101c, a plug positioning groove 101d, a spindle positioning hole 101e, an unfolded state limiting surface 101f, a folded state limiting surface 101g, and a U-shaped clearance 101h. The Y-shaped damping spring assembly limiting surface 101b is used to install the Y-shaped damping spring 102, the cotter pin semi-circular limiting groove 101c is used to install the cotter pin 103, the plug positioning groove 101d is used to install the plug 104, and the spindle positioning hole 101e is used to limit the spindle 108.

[0058] As a further preferred embodiment, the buffer pad 107 is provided with an unfolded state limiting surface 107a and an assembly barb 107b. The assembly barb 107b of the buffer pad 107 is connected to the assembly interface of the bridging housing 101. The unfolded state limiting surface 107a contacts the unfolded state limiting surface 101f of the bridging housing 101 to achieve buffering and limiting.

[0059] A car seat tray table, comprising:

[0060] Concealed folding damping hinge;

[0061] The small table board body 200 includes a fixed plate body 201 and a flip plate body 202. The fixed plate body 201 is connected to the fixed end connecting plate 105, and the flip plate body 202 is connected to the flip end connecting plate 106.

[0062] In a further improvement, both the fixed end connecting plate 105 and the flip end connecting plate 106 are provided with small table positioning posts 106c and small table assembly holes 106d, which are used to fix the fixed end connecting plate 105 or the flip end connecting plate 106.

[0063] The method of using this utility model is as follows:

[0064] When the small table is needed, fix the fixed end plate 201 of the small table and gently lift the flip end plate 202. At this time, the bridging housing 101 rotates 90 degrees relative to the fixed end connecting plate 105, and the flip end plate 202 is perpendicular to the fixed end plate 201. Continue to extend the flip end plate 202, and the flip end connecting plate 106 rotates another 90 degrees relative to the bridging housing 101, so that the flip end plate 202 is flush with the fixed end plate 201, forming a flat tabletop and providing the user with a stable platform.

[0065] When the small table needs to be folded, fix the fixed end plate 201 of the small table and gently fold the flip end plate 202. The bridging housing 101 rotates 90 degrees relative to the fixed end connecting plate 105, and the flip end plate 202 is perpendicular to the fixed end plate 201. Continue folding the flip end plate 202, and the flip end connecting plate 106 rotates another 90 degrees relative to the bridging housing 101 until the flip end plate 202 and the fixed end plate 201 are tightly fitted together, completing the folding process for easy storage.

[0066] This utility model features an internal self-limiting structure. When the small tabletop is fully unfolded, the self-limiting structure within the hinge engages. The unfolding limiting surface 107a of the buffer pad first contacts the limiting surface 101f of the bridging housing, and the soft material of the buffer pad 107 provides cushioning, eliminating abnormal noise. Subsequently, the unfolding limiting surface 105e of the fixed end or flip end connecting plate contacts the limiting surface 101f of the bridging housing, forming a hard limit to ensure the tabletop is stable after being flattened and to prevent warping.

[0067] When the small table is fully folded, the self-limiting structure inside the hinge functions. The folding limiting surface 105f of the fixed end or flip end connecting plate contacts the limiting surface 101g of the bridging shell, forming a hard limit, making the table fold tightly. The folding limiting feature 105f of the connecting plate is L-shaped, which hides the clearance space of the bridging shell, so that there are no extra lines under the table and the appearance is more beautiful.

[0068] In this invention, during rotation, the spindle 108 is fixed to the connecting plate, and the Y-shaped damping spring is fixed to the bridging housing 101 by the cotter pin 103. When the bridging housing 101 and the connecting plate rotate relative to each other, the outer diameter 108b of the spindle and the mounting hole 102c of the Y-shaped damping spring rotate along the axis, and the two slightly interfere with each other to form a friction pair, generating damping force, making the tabletop flip smoothly and improving the operating quality.

[0069] The bridging housing 101 of this utility model has a U-shaped clearance 101h. When the table is flattened, the hinge is hidden under the table. When folded, the covering feature moves into the U-shaped clearance 101h to avoid interference and ensure normal use and aesthetics.

[0070] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A concealed folding damping hinge, characterized in that, include: A bridging housing, wherein the bridging housing is provided with two sets of Y-shaped damping leaf spring positioning grooves inside; Y-type damping leaf springs, each set of Y-type damping leaf springs is equipped with at least two Y-type damping leaf springs in the positioning groove; Cotter pin; A plug, wherein the plug is installed at the end of the Y-shaped damping leaf spring positioning groove; A connecting plate, which is rotatably disposed on the outside of the Y-shaped damping leaf spring positioning groove; A buffer pad, one end of which abuts against the bridging housing and the other end of which abuts against the connecting plate; The mandrel passes through the connecting plate and the bridging housing, and forms a friction pair with the Y-type damping leaf spring to generate damping force.

2. The concealed folding damping hinge according to claim 1, characterized in that, The Y-type damping leaf spring includes a bridging housing assembly limiting surface one, a cotter pin semicircular limiting groove, and a spindle assembly hole. The bridging housing assembly limiting surface one is correspondingly provided with the Y-type damping leaf spring positioning groove, and the cotter pin is inserted into the cotter pin semicircular limiting groove for limiting.

3. A concealed folding damping hinge according to claim 2, characterized in that, The connecting plate includes a fixed end connecting plate and a flip end connecting plate. Both the fixed end connecting plate and the flip end connecting plate are provided with a mandrel fine end assembly hole, a mandrel coarse end assembly hole unfolded state limiting surface, and a folded state limiting surface. The mandrel includes a damping spring assembly outer diameter, a fine end straight-lined mounting end, and a coarse end straight-lined mounting end. The fine end straight-lined mounting end is interference-fitted into the mandrel fine end assembly hole, and the coarse end straight-lined mounting end is interference-fitted into the mandrel coarse end assembly hole. The damping spring assembly outer diameter is inserted into the mandrel assembly hole of the Y-type damping spring.

4. The concealed folding damping hinge according to claim 1, characterized in that, The plug is provided with a second bridging housing assembly surface, a spindle positioning hole and a rotating plate limiting surface. The second bridging housing assembly surface can be embedded in the Y-shaped damping leaf spring positioning groove, and the end of the spindle is inserted into the spindle positioning hole.

5. A concealed folding damping hinge according to claim 3, characterized in that, The fixed end connecting plate and the flip end connecting plate are also provided with buffer pad assembly holes, and the buffer pad is disposed in the buffer pad assembly holes.

6. A concealed folding damping hinge according to claim 1, characterized in that, The bridging housing is also provided with a Y-shaped damping spring assembly limiting surface, a cotter pin semi-circular limiting groove, a plug positioning groove, a spindle positioning hole, an unfolded state limiting surface, a folded state limiting surface, and a U-shaped clearance. The Y-shaped damping spring assembly limiting surface is used to install the Y-shaped damping spring, the cotter pin semi-circular limiting groove is used to install the cotter pin, the plug positioning groove is used to install the plug, and the spindle positioning hole is used to limit the spindle.

7. A concealed folding damping hinge according to claim 6, characterized in that, The buffer pad is provided with an unfolded state limiting surface and an assembly barb. The assembly barb of the buffer pad is connected to the assembly interface of the bridging housing. The unfolded state limiting surface contacts the unfolded state limiting surface of the bridging housing to achieve buffering and limiting.

8. A car seat tray table, characterized in that, include: The concealed folding damping hinge as described in any one of claims 1 to 7; The small table board body includes a fixed board body and a flip board body. The connecting plate includes a fixed end connecting plate and a flip end connecting plate. The fixed board body is connected to the fixed end connecting plate, and the flip board body is connected to the flip end connecting plate.

9. A car seat tray table according to claim 8, characterized in that, Both the fixed end connecting plate and the flip end connecting plate are provided with small table positioning posts and small table assembly holes, which are used to fix the fixed end connecting plate or the flip end connecting plate.

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