Automobile armrest hinge assembly with buffering retraction structure
By designing a car handrail hinge assembly with a buffer retracting structure, the combination of the torsion spring and the rotating limit plate is used to solve the problem of too fast speed in the recycling process, and the effect of reducing noise and improving safety is achieved.
Patent Information
- Application Number
- CN202422019947.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-19
AI Technical Summary
Car handrails are too fast during recycling, causing collisions with the top of the car to produce noise or clamp the passenger's hands.
A car handrail hinge assembly with a buffer retracting structure is designed, including a handrail hinge plate, a hinge plate hinge seat, an elastic cushioning airbag and a speed reduction cushioning mechanism. Through the cooperation of the torsion spring and the rotation limit plate, the retraction speed of the handrail hinge plate is slowed down.
It effectively slows down the retraction speed of the handrail hinge plate, reduces noise, improves safety, and prevents the handrail from clamping the passenger's hands.
Smart Images

Figure CN222823543U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile accessories, in particular to an automobile armrest hinge assembly with a buffer retracting structure. Background Art
[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In recent years, auto parts manufacturers have also developed rapidly.
[0003] There are many handrails in the car. A safety handle is usually set on the top of the car for passengers to hold on to to prevent the car from speeding too fast and the passengers from rushing forward due to inertia. The handrail on the top of the car is usually horizontal and fits the top of the car. Passengers can turn it vertically when using it for easy use. However, if the speed of the car handrail body is too fast during the recovery process, it will cause a large collision with the top of the car, causing noise or pinching the passenger's hand. Utility Model Content
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a vehicle armrest hinge assembly with a buffer retraction structure, which can slow down the retraction speed of the top-mounted armrest and reduce noise.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions:
[0006] A vehicle armrest hinge assembly with a buffer retraction structure comprises a vehicle armrest body and an armrest hinge plate rotatably connected between side walls thereof, wherein the upper end of the armrest hinge plate is open, and an articulated connection block is arranged between the side walls of the armrest hinge plate, and the armrest hinge plate is articulated with the articulated connection block through a torsion spring;
[0007] A hinge plate hinge seat is fixedly connected to one side of the hinge connection block, two rotation limit plates are fixedly connected to one side of the armrest hinge plate, and the two rotation limit plates movably penetrate the inner bottom wall of the hinge plate hinge seat, and a first elastic buffer airbag is fixedly connected between the side walls of the hinge plate hinge seat;
[0008] The two rotation limit plates are both provided with a deceleration buffer mechanism for reducing the speed of the rotation limit plates.
[0009] In a preferred example, the utility model can be further configured as follows: the deceleration buffer mechanism is a rectangular mounting groove opened on the inner bottom wall of the hinge plate hinge seat and a reduction gear rotatably arranged on the inner bottom wall thereof, a plurality of tooth grooves are opened on the circumferential side of the rotating limit plate, and the reduction gear is meshed with the tooth grooves.
[0010] In a preferred example, the utility model can be further configured as follows: the inner bottom wall of the rectangular mounting groove is fixedly connected with a second elastic buffer airbag, the upper end of the rotation limit plate is fixedly connected with a push connecting plate, and the push connecting plate is abutted against the lower end of the first elastic buffer airbag.
[0011] In a preferred example, the utility model can be further configured as follows: a connecting piece is provided between the hinged connection block and the armrest hinge plate, the connecting piece is a torsion spring connecting rod provided on one side of the armrest hinge plate, and the torsion spring connecting rod threadably penetrates a side wall of the armrest hinge plate, and the torsion spring connecting rod movably penetrates one side of the hinged connection block.
[0012] In a preferred example, the utility model can be further configured as follows: the connecting member also includes a connecting screw arranged on one side of the armrest hinge plate, the connecting screw movably penetrates a side wall of the armrest hinge plate, and the connecting screw is threadedly connected to the circumferential inner wall of the torsion spring connecting rod.
[0013] In a preferred example, the utility model can be further configured as follows: one side of the hinge plate hinge seat is fixedly connected to two fixed mounting plates, one side of one of the fixed mounting plates is provided with a mounting screw, and the mounting screw movably passes through one side of the other fixed mounting plate, and the circumferential side of the mounting screw is threadedly connected with a connecting nut.
[0014] In summary, the present invention includes at least one of the following beneficial technical effects:
[0015] 1. An automobile armrest body, an armrest hinge plate, a hinge plate hinge seat, a first elastic buffer airbag, a rotation limit plate, a torsion spring and a hinge connection block are provided. When the automobile armrest body and the armrest hinge plate are rotated, the torsion spring is deformed. When the automobile armrest body is released, the torsion spring can drive the armrest hinge plate back to its original position due to its own elastic recovery. The rotation limit plate rotates with the armrest hinge plate, and the rotation limit plate moves upward. The rotation limit plate will push the first elastic buffer airbag, and the gas in the first elastic buffer airbag can be squeezed out. The first elastic buffer airbag can slow down the retraction speed of the armrest hinge plate in the process of squeezing out the air therein, reduce the damage caused, and improve safety.
[0016] 2. A deceleration buffer mechanism is provided. When the armrest hinge plate is in the process of retracting, the rotating limit plate rotates along with the rotating fulcrum of the armrest hinge plate. When the rotating limit plate is in the process of moving, the reduction gear is engaged with the tooth groove, and the tooth groove can drive the reduction gear to rotate, thereby achieving the purpose of slowing down the moving speed of the rotating limit plate.
[0017] 3. A connecting screw, a torsion spring and a torsion spring connecting rod are provided. The connecting screw passes through the other side wall of the armrest hinge plate from the other side of the armrest hinge plate. The connecting screw is threadedly connected to the torsion spring connecting rod. The torsion spring connecting rod and the connecting screw can be disassembled. The torsion spring is sleeved on the circumferential side of the torsion spring connecting rod and the connecting screw, so the torsion spring can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a first stereogram of the present embodiment;
[0019] Figure 2 This embodiment Figure 1 A partial enlarged view of the middle A;
[0020] Figure 3 is a three-dimensional cross-sectional view of this embodiment;
[0021] Figure 4 This embodiment Figure 3 A partial enlarged view of point B in the middle;
[0022] Figure 5 It is a partial view of the connecting member of this embodiment;
[0023] Figure 6 It is a second stereoscopic view of this embodiment.
[0024] In the figure, 1. automobile armrest body; 2. armrest hinge plate; 3. hinged connecting block; 4. hinge plate hinge seat; 5. first elastic buffer airbag; 6. rotation limit plate; 7. torsion spring; 8. torsion spring connecting rod; 9. connecting screw; 11. anti-slip rotating knob; 12. deceleration buffer mechanism; 1201. deceleration gear; 1202. rectangular mounting groove; 1203. tooth groove; 13. second elastic buffer airbag; 14. push connecting plate; 15. fixed mounting plate; 16. mounting screw; 17. connecting nut. DETAILED DESCRIPTION
[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] Example:
[0027] Reference Figure 1-6 The automobile armrest hinge assembly with a buffer retraction structure disclosed in the utility model comprises an automobile armrest body 1 and an armrest hinge plate 2 rotatably connected between the side walls thereof, the upper end of the armrest hinge plate 2 is open, and an articulated connection block 3 is arranged between the side walls of the armrest hinge plate 2, and the armrest hinge plate 2 is articulated with the articulated connection block 3 through a torsion spring 7;
[0028] A hinge plate hinge seat 4 is fixedly connected to one side of the hinge connection block 3, two rotation limit plates 6 are fixedly connected to one side of the armrest hinge plate 2, and the two rotation limit plates 6 movably penetrate the inner bottom wall of the hinge plate hinge seat 4, and a first elastic buffer airbag 5 is fixedly connected between the side walls of the hinge plate hinge seat 4;
[0029] The two rotation limit plates 6 are both provided with a deceleration buffer mechanism 12 for reducing the speed of the rotation limit plates 6 .
[0030] In this embodiment, when the automobile armrest body 1 is used, the automobile armrest body 1 and the armrest hinge plate 2 are rotated, and the torsion spring 7 is deformed. When the automobile armrest body 1 is released, the torsion spring 7 can drive the armrest hinge plate 2 back to its original position due to its own elastic recovery. The rotating limit plate 6 rotates with the armrest hinge plate 2, and the rotating limit plate 6 moves upward. The rotating limit plate 6 will push the first elastic buffer airbag 5, and the gas in the first elastic buffer airbag 5 can be squeezed out. The first elastic buffer airbag 5 can slow down the retraction speed of the armrest hinge plate 2 in the process of squeezing out the air therein.
[0031] For further details, please refer to Figure 4 The deceleration and buffer mechanism 12 is a rectangular mounting groove 1202 opened on the inner bottom wall of the hinge plate hinge seat 4 and a deceleration gear 1201 rotatably arranged on the inner bottom wall thereof. A plurality of tooth grooves 1203 are opened on the circumferential side of the rotating limit plate 6, and the deceleration gear 1201 is meshed with the tooth grooves 1203.
[0032] In this embodiment, when the armrest hinge plate 2 is retracted, the rotating limit plate 6 rotates along with the rotating fulcrum of the armrest hinge plate 2. When the rotating limit plate 6 is moving, the reduction gear 1201 is meshed with the tooth groove 1203. The tooth groove 1203 can drive the reduction gear 1201 to rotate, thereby achieving the purpose of slowing down the movement speed of the rotating limit plate 6.
[0033] For further details, please refer to Figure 3 and Figure 4 The inner bottom wall of the rectangular mounting groove 1202 is fixedly connected with the second elastic buffer airbag 13, the upper end of the rotation limiting plate 6 is fixedly connected with the pushing connecting plate 14, and the pushing connecting plate 14 is against the lower end of the first elastic buffer airbag 5.
[0034] In this embodiment, the two preferred rotation limit plates 6 are respectively cooperated with the two pushing connecting plates 14 and the two second elastic buffer airbags 13. When the second elastic buffer airbags 13 push the connecting plates 14 to move downward and upward, the second elastic buffer airbags 13 will have a gas recovery and absorption process. Preferably, the second elastic buffer airbags 13 and the first elastic buffer airbags 5 are both provided with ports for gas outlet and inlet.
[0035] For further details, please refer to Figure 5and Figure 6 A connecting piece is provided between the hinged connecting block 3 and the armrest hinge plate 2. The connecting piece is a torsion spring connecting rod 8 provided on one side of the armrest hinge plate 2. The torsion spring connecting rod 8 is threadedly penetrated through a side wall of the armrest hinge plate 2. The torsion spring connecting rod 8 movably penetrates one side of the hinged connecting block 3.
[0036] In this embodiment, a threaded groove is provided on the circumferential outer edge of the torsion spring connecting rod 8, and a threaded groove is also provided on the circumferential inner wall of the torsion spring connecting rod 8. The torsion spring connecting rod 8 is threadedly inserted between the side walls of the armrest hinge plate 2, and the hinged connecting block 3 is slidably connected to the circumferential side of the torsion spring connecting rod 8. The torsion spring 7 is sleeved on the circumferential side of the torsion spring connecting rod 8, so that the torsion spring 7 can be easily replaced.
[0037] For further details, please refer to Figure 5 The connecting member also includes a connecting screw 9 arranged on one side of the armrest hinge plate 2, the connecting screw 9 movably penetrates a side wall of the armrest hinge plate 2, and the connecting screw 9 is threadedly connected to the circumferential inner wall of the torsion spring connecting rod 8.
[0038] In this embodiment, the connecting screw 9 passes through the other side wall of the armrest hinge plate 2 from the other side of the armrest hinge plate 2, and the connecting screw 9 is threadedly connected to the torsion spring connecting rod 8, so that the torsion spring connecting rod 8 and the connecting screw 9 can be disassembled, and the torsion spring 7 is sleeved on the circumferential side of the torsion spring connecting rod 8 and the connecting screw 9, so that the torsion spring 7 can be easily replaced. Preferably, one side of the torsion spring connecting rod 8 and the connecting screw 9 is fixed with an anti-slip rotating knob 11, and the surface of the anti-slip rotating knob 11 is provided with an anti-slip groove to facilitate the rotation of the torsion spring connecting rod 8 and the connecting screw 9.
[0039] For further details, please refer to Figure 2 One side of the hinge plate hinge seat 4 is fixedly connected to two fixed mounting plates 15, one side of one of the fixed mounting plates 15 is provided with a mounting screw 16, and the mounting screw 16 movably passes through one side of the other fixed mounting plate 15, and the circumferential side of the mounting screw 16 is threadedly connected with a connecting nut 17.
[0040] In this embodiment, the mounting screw 16 passes through the two fixed mounting plates 15, and the connecting nut 17 is threaded on the circumferential side of the mounting screw 16, which can facilitate the connection between the hinged connecting block 3 and the hinged plate hinged seat 4, and the hinged connecting block 3, the armrest hinge plate 2 and the automobile armrest body 1 can be disassembled.
[0041] The implementation principle of the above embodiment is: the automobile armrest body 1 and the armrest hinge plate 2 are rotated, and the torsion spring 7 is deformed. When the automobile armrest body 1 is released, the torsion spring 7 can drive the armrest hinge plate 2 back to its original position due to its own elastic recovery. The rotating limit plate 6 rotates with the armrest hinge plate 2, and the rotating limit plate 6 moves upward. The rotating limit plate 6 will push the first elastic buffer airbag 5, which can squeeze out the gas in the first elastic buffer airbag 5. The first elastic buffer airbag 5 can slow down the retraction speed of the armrest hinge plate 2 in the process of squeezing out the air therein. During the retraction of the armrest hinge plate 2, the rotating limit plate 6 rotates with the rotating fulcrum of the armrest hinge plate 2. During the movement of the rotating limit plate 6, the reduction gear 1201 is meshed with the tooth groove 1203, and the tooth groove 1203 can drive the reduction gear 1201 to rotate, thereby achieving the purpose of slowing down the moving speed of the rotating limit plate 6, reducing the cause, and improving safety.
[0042] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0043] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A vehicle armrest hinge assembly with a buffer retracting structure, comprising a vehicle armrest body (1) and an armrest hinge plate (2) rotatably connected between side walls thereof, characterized in that: The upper end of the armrest hinge plate (2) is open, and a hinged connection block (3) is provided between the side walls of the armrest hinge plate (2), and the armrest hinge plate (2) is hingedly connected to the hinged connection block (3) via a torsion spring (7); One side of the hinged connection block (3) is fixedly connected to a hinge plate hinge seat (4), one side of the armrest hinge plate (2) is fixedly connected to two rotation limit plates (6), and the two rotation limit plates (6) movably penetrate the inner bottom wall of the hinge plate hinge seat (4), and a first elastic buffer airbag (5) is fixedly connected between the side walls of the hinge plate hinge seat (4); The two rotation limit plates (6) are both provided with a deceleration buffer mechanism (12) for reducing the speed of the rotation limit plates (6).
2. The automobile armrest hinge assembly with a buffer retraction structure according to claim 1, characterized in that: The deceleration and buffer mechanism (12) is a rectangular mounting groove (1202) provided on the inner bottom wall of the hinge plate hinge seat (4) and a deceleration gear (1201) rotatably provided on the inner bottom wall thereof; a plurality of tooth grooves (1203) are provided on the circumferential side of the rotation limit plate (6); the deceleration gear (1201) is meshed with the tooth grooves (1203).
3. The automobile armrest hinge assembly with a buffer retraction structure according to claim 2, characterized in that: The inner bottom wall of the rectangular mounting groove (1202) is fixedly connected to a second elastic buffer airbag (13), the upper end of the rotation limit plate (6) is fixedly connected to a push connecting plate (14), and the push connecting plate (14) abuts against the lower end of the first elastic buffer airbag (5).
4. The automobile armrest hinge assembly with a buffer retraction structure according to claim 1, characterized in that: A connecting piece is provided between the hinged connection block (3) and the armrest hinge plate (2), wherein the connecting piece is a torsion spring connecting rod (8) provided on one side of the armrest hinge plate (2), and the torsion spring connecting rod (8) is threadedly penetrated through a side wall of the armrest hinge plate (2), and the torsion spring connecting rod (8) movably penetrates one side of the hinged connection block (3).
5. The automobile armrest hinge assembly with a buffer retraction structure according to claim 4, characterized in that: The connecting member also includes a connecting screw (9) arranged on one side of the armrest hinge plate (2), the connecting screw (9) movably penetrates a side wall of the armrest hinge plate (2), and the connecting screw (9) is threadedly connected to the circumferential inner wall of the torsion spring connecting rod (8).
6. The automobile armrest hinge assembly with a buffer retraction structure according to claim 1, characterized in that: One side of the hinge plate hinge seat (4) is fixedly connected to two fixed mounting plates (15), one side of one of the fixed mounting plates (15) is provided with a mounting screw (16), and the mounting screw (16) movably passes through one side of the other fixed mounting plate (15), and the circumferential side of the mounting screw (16) is threadedly connected to a connecting nut (17).