Vehicle door limiting stopper clamp

By designing the secondary positioning mechanism of the hump part in the door limiter fixture, the problem of door limit failure caused by vehicle body position deviation is solved, and effective limit and safety protection of the door opening are achieved.

CN222386827UActive Publication Date: 2025-01-24GAC HONDA AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202421067293.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-24
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

When the existing door limiter fixtures deviate from the vehicle body, they cannot effectively achieve the limit of door opening, resulting in a collision between the robot and the door, causing safety hazards and production losses.

Method used

A door -limited position fixture is designed, using the bayonet positioning of the first component and the second component, and through the secondary positioning of the hump to ensure that effective positioning and protection can be achieved when the door openness deviation.

Benefits of technology

Through the secondary positioning of the hump, it expands the accommodation range of the incorrect error in the door opening process, avoiding the hidden dangers caused by the positioning of the positioning that cannot be fully slipped into the card, and ensuring the reliability of the door limit.

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Abstract

The utility model relates to the technical field of automobile clamps, in particular to an automobile door limiter clamp which comprises a first assembly, a second assembly, a positioning pin and a supporting rod, the first assembly and the second assembly are connected and form a variable clamping space, the positioning pin is clamped in the clamping space and is connected with the first assembly and the second assembly in a sliding mode, and the supporting rod is connected with the positioning pin. The middle of the positioning pin is connected with the supporting rod, the supporting rod extends out from the position between the first assembly and the second assembly, a sliding part, a door closing clamping position and a door opening clamping position are arranged on the face, making contact with the positioning pin, of the first assembly, the door closing clamping position is arranged at the end, away from the supporting rod, of the first assembly, and the door opening clamping position is arranged at the other end, close to the supporting rod, of the first assembly. A hump part is arranged between the door opening clamping position and the sliding part, and a horizontal part is arranged at the top end of the hump part and higher than the sliding part. According to the utility model, the bayonet of the first assembly is used for positioning, and the hump part is also used for secondary positioning, so that effective secondary positioning protection can be realized when the opening degree of the vehicle door deviates.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile clamps, and more specifically to a door limiter clamp. Background Art

[0002] The function of the door limiter is to limit the degree of door opening and keep the door in a closed or open state without accidental changes. On the one hand, it can limit the maximum opening of the door to prevent the door from opening too wide, causing the door to collide with the body and cause surface or structural damage. On the other hand, it can keep the door open when necessary to ensure that the door will not be closed under the action of external force, collide with the body, and cause damage to the car. Therefore, door limiters are widely used in automobile production and daily use. When producing cars, many production processes require the car doors to remain open, such as painting the white body of the car. In order to improve work efficiency and increase the degree of automation in the production process and reduce the labor load of workers, a large number of production lines now use robots to perform door opening actions. Because the center of gravity of some cars is at the rear of the car, and the rear of the trolley carrying the car body does not have a pin for positioning. Therefore, during the production flow process, the car body is prone to shifting at the rear of the car due to turning swings, trolley wear and precision differences, causing the position of the car body to deviate. However, since the robot's movements are set by a computer program and it only waits to open the door to a fixed position, during the processing, the robot opens the door and the position of the door remains unchanged due to a large deviation in the position of the vehicle body, resulting in a deviation in the door opening. This causes the door limiter fixture to not be buckled into place, causing the robot to automatically close the door during the spraying process, which can easily collide with the robot, causing the door, body and robot cup to be scrapped. At the same time, it causes production losses such as production line shutdowns, seriously affecting production safety and efficiency.

[0003] There is a Chinese utility model, with the publication number CN204126435U, which discloses a large-opening door limiter, including a limit arm and a limit arm bracket, the limit arm bracket is fixedly mounted on the vehicle body, the vehicle body side hinge of the door hinge where the limit arm is located is provided with a support block, one end of the limit arm is hinged with the limit arm bracket, and the other end of the limit arm is provided with a plurality of card slots along the axial direction, the card slots cooperate with the buckles on the vehicle door, and when the outermost card slots cooperate with the buckles, the support block is closely supported on the vehicle door. The utility model is provided with a support block, and when the vehicle door is opened to a maximum of 180°, the support block just abuts against the vehicle door, playing an auxiliary limiting role, and the support block can share the tension borne by the limit arm, reducing the strength requirements of the limit arm; the limiter integrates multiple limit angles in one, has a simple structure, and when changing the limit angle, there is no need to manually adjust the limiter, and the door opening and closing operation is very convenient.

[0004] However, in this technical solution, if the door opening needs to be fixed, the card slot on the limit wall must be completely slid into the card slot, which lacks a transition area and has low tolerance for operational errors. If the vehicle position deviates and the robot still performs the door opening operation according to the original program, the card slot cannot be slid into the card slot, resulting in the inability to achieve the door opening limit function. If the operator continues to perform subsequent operations without knowing it, it is very easy to cause safety hazards caused by accidental closing of the door. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a door limiter clamp, which not only utilizes the bayonet of the first component for positioning, but also utilizes the hump for secondary positioning, thereby ensuring that effective secondary positioning protection can be achieved when the door opening degree deviates.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a vehicle door limiter clamp, comprising a first component, a second component, a positioning pin and a support rod, the first component is connected to the second component and forms a variable clamping space, the positioning pin is clamped in the clamping space and is slidably connected to the first component and the second component, the middle part of the positioning pin is connected to the support rod, the support rod extends from between the first component and the second component, and a sliding part, a door closing position and a door opening position are provided on the surface of the first component that contacts the positioning pin, the door closing position is provided at one end of the first component away from the support rod, and the door opening position is provided at the other end of the first component close to the support rod, a hump portion is provided between the door opening position and the sliding part, the top of the hump portion has a horizontal portion, and the horizontal portion is higher than the sliding part.

[0007] In the technical scheme, the first component and the second component are installed on the vehicle door, one end of the support rod is installed on the vehicle body, and the other end of the support rod is provided with a positioning pin, the positioning pin is clamped by the first component and the second component, and the positioning pin is slidably connected with the first component and the second component respectively. The first component and the second component have the function of limiting the position of the positioning pin, so that the positioning pin can only reciprocate in the clamping space formed between the first component and the second component. The positioning pin is fixedly connected to the support rod, and the support rod is fixedly connected to the vehicle body. The sliding connection between the positioning pin and the first component and the second component does not affect the normal movement of the vehicle door and the vehicle body, and also ensures that the relative movement between the vehicle door and the vehicle body is fixed. The first component is provided with a door clamping position and a door opening clamping position on the side in contact with the positioning pin. The first component is connected to the second component and a variable clamping space is formed. Under normal conditions, the clamping space beside the door closing clamping position and the door opening clamping position is not enough for the positioning pin to pass through. When the positioning pin needs to slide in or out of the door closing clamping position and the door opening clamping position, the clamping space will become larger. When the door is closed, the door approaches the vehicle body, and the support rod connected to the vehicle body is also pushed by the vehicle body to be inserted between the first component and the second component, and at the same time, the positioning pin is pushed to slide on the sliding part, and finally the positioning pin slides into the door closing position. After the positioning pin slides into the door closing position, if there is no external force to push the positioning pin out of the door closing position and expand the clamping space, the position of the positioning pin will be locked by the door closing position and cannot be moved, and then the position of the support rod cannot be moved, thereby realizing the restriction of the door closing position. When the door is opened, the door is away from the vehicle body, and the support rod connected to the vehicle body is also pulled out from between the first component and the second component by the vehicle body, thereby driving the positioning pin to slide on the sliding part until the positioning pin slides into the door opening position. After the positioning pin slides into the door opening position, if there is no external force to push the positioning pin out of the door opening position and expand the clamping space, the position of the positioning pin will be locked by the door opening position and cannot be moved, and then the position of the support rod cannot be moved, thereby realizing the restriction of the door opening position. A hump is also provided between the door opening position and the sliding portion, and the top of the hump is a horizontal portion higher than the sliding portion. When the positioning pin slides to the horizontal portion, the positioning pin can slide directly into the door opening position along the horizontal portion, and there is no need to overcome the protrusion in front of the door opening position, so that even if the door is not in place, as long as the positioning pin slides to the horizontal portion, the positioning pin can slide directly into the door opening position by relying on the original inertia, which expands the scope of action of the door opening position to fix the position of the positioning pin, increases the tolerance range of the error of the door not in place during the door opening process, realizes secondary positioning, and avoids safety hazards caused by the positioning pin not being able to completely slide into the door opening position.

[0008] Preferably, the length of the horizontal portion is 10 mm to 20 mm.

[0009] Preferably, the positioning pin is provided with two abutment grooves, and the abutment grooves are slidably connected to the first component and the second component.

[0010] Preferably, the first component comprises two structural plates, the two structural plates are arranged in parallel, and the upper surfaces of the structural plates are slidably connected to the positioning pins.

[0011] Preferably, the second component comprises two structural rods, the two structural rods are arranged in parallel, and the structural rods are slidably connected to the abutment grooves.

[0012] Preferably, the two structural rods are connected by a connecting piece at one end away from the supporting rod, and the connecting piece is connected to the first component via an elastic piece.

[0013] Preferably, the connecting member is a C-shaped structure with an opening facing the direction where the first component is located, and the upper part of the first component extends into the opening of the connecting member.

[0014] Preferably, it also includes a second connecting member, wherein one end of the first component close to the support rod is hinged to the second connecting member, and one end of the second component close to the support rod is fixedly connected to the second connecting member, and the second connecting member is provided with a through hole through which the support rod can extend.

[0015] Preferably, a third connecting member is further provided at one end of the support rod away from the positioning pin, and a connecting hole for connecting with the vehicle body is formed on the third connecting member.

[0016] Preferably, the support rod is hinged to the third connecting member.

[0017] Compared with the prior art, the utility model has the following beneficial effects: a hump is provided between the door opening position and the sliding area, and the top of the hump has a horizontal portion, so that when the positioning pin slides to the horizontal portion, it can directly slide into the door opening position by relying on the original inertia, thereby increasing the tolerance range of the error of the door not being opened in place during the door opening process. The first component includes two structural plates, and the second component includes two structural rods. Two abutment grooves are provided on the positioning pin. The two structural plates and the two structural rods abut against the two abutment grooves, which play a limiting role on the position of the positioning pin and ensure that the positioning pin will not be offset when sliding between the first component and the second component. The second component is hinged to the second connecting member, so that the distance between the first component and the second component can be changed by rotating the second component, so that the positioning pin can slide out of the door opening position or the door closing position. The connecting member is connected to the first component through an elastic member, and a limiting force is applied to the rotation of the second component so that the positioning pin will not accidentally slide out due to accidental rotation of the second component. A third connecting member is provided, which is more firmly connected to the vehicle body and increases the contact surface with the vehicle body, thereby preventing the vehicle body surface from being damaged due to excessive pressure. The third connecting member is hinged to the support rod, which better adapts to the change in the angle between the support rod and the vehicle body when the door is rotated to open. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the door stopper fixture of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the first component of the door stopper clamp of the utility model;

[0020] Figure 3 It is a three-dimensional diagram showing the connection of a positioning pin, a support rod and a third connecting piece of a door stopper clamp of the utility model.

[0021] In the accompanying drawings: 1. first component; 2. second component; 3. positioning pin; 4. support rod; 5. second connecting member; 6. elastic member; 7. third connecting member; 11. sliding part; 12. door closing position; 13. door opening position; 14. hump part; 15. horizontal part; 16. structural plate; 21. structural rod; 22. connecting member; 31. abutment groove; 71. connecting hole. DETAILED DESCRIPTION

[0022] The drawings are only for illustrative purposes and cannot be construed as limiting the present invention. To better illustrate the present embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are only for illustrative purposes and cannot be construed as limiting the present invention.

[0023] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "long", "short" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0025] Example 1

[0026] like Figure 1As shown, a vehicle door limiter clamp includes a first component 1, a second component 2, a locating pin 3 and a support rod 4. The first component 1 is connected to the second component 2 and forms a variable clamping space. The locating pin 3 is clamped in the clamping space and is slidably connected to the first component 1 and the second component 2. The middle part of the locating pin 3 is connected to the support rod 4. The support rod 4 extends from between the first component 1 and the second component 2. A sliding portion 11, a door closing position 12 and a door opening position 13 are arranged on the surface of the first component 1 that contacts the locating pin 3. The door closing position 12 is arranged at one end of the first component 1 away from the support rod 4, and the door opening position 13 is arranged at the other end of the first component 1 close to the support rod 4. A hump portion 14 is arranged between the door opening position 13 and the sliding portion 11, and a horizontal portion 15 is provided at the top of the hump portion 14, and the horizontal portion 15 is higher than the sliding portion 11. The first component 1 and the second component 2 are installed on the vehicle door, one end of the support rod 4 is installed on the vehicle body, and the other end of the support rod 4 is provided with a positioning pin 3, which is clamped by the first component 1 and the second component 2, and the positioning pin 3 is slidably connected with the first component 1 and the second component 2 respectively. The first component 1 and the second component 2 have the function of limiting the position of the positioning pin 3, so that the positioning pin 3 can only reciprocate in the clamping space formed between the first component 1 and the second component 2. The positioning pin 3 is fixedly connected to the support rod 4, and the support rod 4 is fixedly connected to the vehicle body. The sliding connection between the positioning pin 3 and the first component 1 and the second component 2 does not affect the normal movement of the vehicle door and the vehicle body, and also ensures that the relative movement between the vehicle door and the vehicle body is fixed. The first component 1 is provided with a door clamping position 12 and a door opening clamping position 13 on the side in contact with the positioning pin 3. The first component 1 is connected to the second component 2 and forms a variable clamping space. Under normal conditions, the clamping space beside the door closing clamping position 12 and the door opening clamping position 13 is not enough for the positioning pin 3 to pass. The clamping space will only become larger when the locating pin 3 needs to slide in or out of the door closing position 12 and the door opening position 13. When the car door is closed, the car door is close to the car body, and the support rod 4 connected to the car body is also pushed by the car body to be inserted between the first component 1 and the second component 2, and at the same time, the locating pin 3 is pushed to slide on the sliding part 11, and finally the locating pin 3 slides into the door closing position 12. After the locating pin 3 slides into the door closing position 12, if there is no external force to push the locating pin 3 out of the door closing position 12 and expand the clamping space, the position of the locating pin 3 will be locked by the door closing position 12 and cannot move, and then the position of the support rod 4 cannot move either, thereby realizing the restriction of the door closing position. When the car door is opened, the car door is away from the car body, and the support rod 4 connected to the car body is also pulled out from between the first component 1 and the second component 2 by the car body, and then the locating pin 3 is driven to slide on the sliding part 11 until the locating pin 3 slides into the door opening position 13. When the positioning pin 3 slides into the door opening position 13, if there is no external force to push the positioning pin 3 out of the door opening position 13 and expand the clamping space, the position of the positioning pin 3 will be locked by the door opening position 13 and cannot move, and the position of the support rod 4 will also be unable to move, thereby achieving the limitation of the door opening position.A hump portion 14 is also provided between the door opening stop 13 and the sliding portion 11, and the top of the hump portion 14 is a horizontal portion 15 higher than the sliding portion 11. When the positioning pin 3 slides to the horizontal portion 15, the positioning pin 3 can slide directly into the door opening stop 13 along the horizontal portion 15, and there is no need to overcome the protrusion in front of the door opening stop 13, so that even if the door is not fully opened, as long as the positioning pin 3 slides to the horizontal portion 15, the positioning pin 3 can directly slide into the door opening stop 13 by relying on the original inertia, which expands the scope of action of the door opening stop 13 to fix the position of the positioning pin 3, increases the tolerance range of the error of the door not being fully opened during the door opening process, realizes secondary positioning, and avoids the potential safety hazard caused by the positioning pin 3 not being able to completely slide into the door opening stop 13.

[0027] like Figure 2 As shown, the length of the horizontal portion 15 is 10 mm to 20 mm. In actual production, the degree of position deviation of the automobile during transportation is between 10 mm and 20 mm. Setting the length of the horizontal portion 15 between 10 mm and 20 mm can meet the requirement of automobile position deviation.

[0028] like Figure 1 , Figure 3 As shown, the positioning pin 3 is provided with two abutment grooves 31, which are slidably connected with the first component 1 and the second component 2. The function of the abutment groove 31 is to limit the deviation of the positioning pin 3 by making the first component 1 and the second component 2 abut against the groove wall of the abutment groove 31.

[0029] like Figure 1 As shown, the first component 1 includes two structural plates 16, which are arranged in parallel, and the upper surface of the structural plate 16 is slidably connected with the positioning pin 3. This arrangement allows the first component 1 to form a track structure and cooperate with the abutment groove 31 on the positioning pin 3, so that the abutment groove 31 on the positioning pin 3 can only move along the length direction of the structural plate 16, thereby avoiding the situation where the first component 1 and the positioning pin 3 are separated during the movement.

[0030] like Figure 1 As shown, the second component 2 includes two structural rods 21, which are arranged in parallel and are slidably connected with the abutment grooves 31. This arrangement enables the second component 2 to form a track structure and cooperate with the abutment grooves 31 on the positioning pins 3, so that the abutment grooves 31 on the positioning pins 3 can only move along the length direction of the structural rods 21, thereby avoiding the second component 2 and the positioning pins 3 from being separated during the movement.

[0031] Example 2

[0032] This embodiment is similar to the above-mentioned embodiment 1, except that: Figure 1As shown, the two structural rods 21 are connected at one end away from the support rod 4 by a connecting member 22, and the connecting member 22 is connected to the first component 1 through an elastic member 6. The connecting member 22 fixes the relative position between the two structural rods 21, so that the two structural rods 21 remain parallel. The connecting member 22 is connected to the first component 1 through the elastic member 6, providing elastic force to ensure that the clamping space formed between the second component 2 and the first component 1 will not change easily, so as to lose the limiting effect on the position of the positioning pin 3.

[0033] like Figure 1 As shown, the connecting member 22 is a C-shaped structure with an opening facing the direction of the first component 1, and the upper part of the first component 1 extends into the opening of the connecting member 22. This arrangement allows the upper part of the first component 1 to move only within the opening of the connecting member 22, ensuring that the connecting member 22 can be aligned with the first component 1 without deviation.

[0034] Example 3

[0035] This embodiment is similar to the above-mentioned embodiment 1, except that: Figure 1 As shown, the second connecting member 5 is also included. One end of the first component 1 close to the support rod 4 is hinged to the second connecting member 5, and one end of the second component 2 close to the support rod 4 is fixedly connected to the second connecting member 5. The second connecting member 5 is provided with a through hole for the support rod 4 to extend out. The second connecting member 5 is used to fix the relative position between the first component 1 and the second component 2. The second connecting member 5 is hinged to the first component 1, so that the clamping space between the first component 1 and the second component 2 can be changed by rotating the first component 1. The through hole provided on the second connecting member 5 is used to provide space for the extension of the support rod 4, so as to ensure that the support rod 4 can freely extend or insert from between the first component 1 and the second component 2.

[0036] like Figure 3 As shown, the end of the support rod 4 away from the positioning pin 3 is also provided with a third connecting member 7, and a connecting hole 71 connected to the vehicle body is opened on the third connecting member 7. The third connecting member 7 is connected to the vehicle body through the connecting hole 71, ensuring the stability of the connection. The third connecting member 7 increases the base surface between the support rod 4 and the vehicle body, ensuring that the surface of the vehicle body will not be damaged due to excessive pressure.

[0037] like Figure 3 As shown, the support rod 4 is hinged to the third connecting member 7. The support member 4 can rotate relative to the third connecting member 7. When the door is opened from the vehicle body, the angle between the door and the vehicle body is constantly changing. The support member 4 and the third connecting member 7 can be rotated to adapt to different angles between the door and the vehicle body during the door opening process.

[0038] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A door stopper fixture, characterized in that: The invention comprises a first component (1), a second component (2), a positioning pin (3) and a support rod (4); the first component (1) is connected to the second component (2) and forms a variable clamping space; the positioning pin (3) is clamped in the clamping space and is slidably connected to the first component (1) and the second component (2); the middle part of the positioning pin (3) is connected to the support rod (4); the support rod (4) extends from between the first component (1) and the second component (2); the first component (1) is connected to the positioning pin (3) A sliding portion (11), a door closing latch (12) and a door opening latch (13) are provided on one side of the first component (1), the door closing latch (12) being provided at one end of the first component (1) away from the support rod (4), the door opening latch (13) being provided at the other end of the first component (1) close to the support rod (4), a hump portion (14) being provided between the door opening latch (13) and the sliding portion (11), the top of the hump portion (14) having a horizontal portion (15), the horizontal portion (15) being higher than the sliding portion (11).

2. A door stopper fixture according to claim 1, characterized in that: The length of the horizontal portion (15) is 10 mm to 20 mm.

3. A door stopper fixture according to claim 1, characterized in that: The positioning pin (3) is provided with two abutment grooves (31), and the abutment grooves (31) are slidably connected to the first component (1) and the second component (2).

4. A door stopper fixture according to claim 3, characterized in that: The first component (1) comprises two structural plates (16), the two structural plates (16) are arranged in parallel, and the upper surfaces of the structural plates (16) are slidably connected to the positioning pins (3).

5. A door stopper fixture according to claim 3, characterized in that: The second component (2) comprises two structural rods (21), the two structural rods (21) are arranged in parallel, and the structural rods (21) are slidably connected to the abutment grooves (31).

6. A door stopper fixture according to claim 5, characterized in that: The two structural rods (21) are connected at one end away from the support rod (4) via a connecting piece (22), and the connecting piece (22) is connected to the first component (1) via an elastic piece (6).

7. A door stopper fixture according to claim 6, characterized in that: The connecting piece (22) is a C-shaped structure with its opening facing the direction of the first component (1), and the upper part of the first component (1) extends into the opening of the connecting piece (22).

8. The door stopper fixture according to claim 1, characterized in that: The invention also comprises a second connecting member (5), wherein one end of the first component (1) close to the support rod (4) is hingedly connected to the second connecting member (5), and one end of the second component (2) close to the support rod (4) is fixedly connected to the second connecting member (5), and a through hole is provided on the second connecting member (5) through which the support rod (4) can extend.

9. The door stopper fixture according to claim 1, characterized in that: A third connecting member (7) is also provided at one end of the support rod (4) away from the positioning pin (3), and a connecting hole (71) connected to the vehicle body is provided on the third connecting member (7).

10. A door stopper fixture according to claim 9, characterized in that: The support rod (4) is hinged to the third connecting member (7).

Citation Information

Patent Citations

  • Large-opening automotive door check

    CN204126435U