High-pullout ball seat system for headlights

Through the ball head seat system with hexagonal boss structure, the ball head seat itself is used to achieve limit and locking on the carrier, solving the problems of traditional ball head seat breaking out and position deviation under high pulling force, and satisfying the host factory high pulling force requirements and reduce costs.

CN110822383BActive Publication Date: 2024-12-06MAGNETI MARELLI AUTOMOTIVE COMPONENTS WUHU
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Patent Information

Application Number
CN201911232299.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-05
Publication Date
2024-12-06
Estimated Expiration
2039-12-05

AI Technical Summary

Technical Problem

Traditional ball head seats are prone to take off or deviate under high pulling force, which cannot meet the stability requirements of the OEM for the connecting optical parts of the car light ball head seat, increasing design and production costs.

Method used

The ball head seat system with a hexagonal boss structure is rotated and fixed to the carrier through a universal screw installation tool, and the ball head seat itself is used to achieve limiting and locking, avoiding the use of traditional screw fasteners.

Benefits of technology

The high pulling force strength of the ball head mount is achieved, which reduces the design, production and installation costs, and ensures the stable installation and reliability of the ball head mount.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The purpose of the present invention is to provide a ball head seat system that is resistant to high pull-out forces for vehicle lamps. The ball head seat is designed with an open groove to achieve elastic deformation of the ball head seat, thereby facilitating the installation of the ball head into the ball head seat. The fixation of the ball head seat relative to the carrier completely relies on its own structure, avoiding the need for the fixation of the traditional ball head seat to rely on screw fasteners, greatly reducing the design, production and installation costs. The locking of the ball head by the ball head seat system completely relies on the installation and cooperation of the ball head seat and the carrier, fully ensuring the circumferential and radial limitation of the ball head seat on the carrier, as well as the locking of the ball head by the ball head seat system, ensuring higher tensile strength, fully meeting the requirements of the main engine manufacturer for the ball head seat to be resistant to high pull-out forces, and the structure is reliable and the installation is convenient.
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Description

Technical Field

[0001] The invention relates to the technical field of automobile lamps, and in particular to a ball head seat system resistant to high pulling force for automobile lamps. Background Art

[0002] With the continuous improvement of the field of automotive lighting technology, the shape of automotive lighting has become more and more diversified, resulting in more and more complex structures of automotive lighting. The main engine manufacturers have higher and higher requirements for the strength of the ball head seat system that connects the optical parts inside the lamp body. The traditional ball head seat adopts a full-globe structure, which is not easy for the ball head seat to achieve the installation of the ball head to the ball head seat by its own deformation, and it cannot meet the main engine manufacturer's requirements for high tensile resistance. Under high tensile force, the ball head structure is easy to disengage from the traditional ball head seat or the position is deviated, and the stability of the installation of the optical parts connected by the ball head seat in the car lamp cannot be guaranteed, so that the reliable optical effect cannot be guaranteed, which affects the performance of the car lamp and even threatens the driving safety during driving. Moreover, the traditional ball head seat is designed with a screw hole structure on the ball head seat, and the screw fasteners are used on the production line to fix the ball head seat on the carrier, which not only increases the design cost, but also increases the production and installation process cost of the production line. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a ball head seat system for vehicle lamps that is resistant to high pull-out forces. The mounting portion of the ball head seat is rotated using a universal screw installation tool. There is no need to use screw fasteners. The ball head seat can be fixed to the carrier using the structure of the ball head seat system itself, and the requirements of high pull-out force resistance are met, thus solving the problems encountered in the background technology.

[0004] The object of the present invention is to provide a ball head seat system resistant to high pull-out forces for vehicle lamps, comprising a ball head seat and a circular carrier, wherein the middle of the carrier is a mounting hole and a ball head seat; the ball head seat is provided with a mounting portion, and the mounting portion is a hexagonal boss structure, and the center of the hexagonal boss structure has a hexagonal slot which is the same as a universal screw, and during installation, a universal ordinary screw installation tool is directly used to rotate the ball head seat and fix it in the mounting hole of the carrier; a clamping portion is connected to the root of the hexagonal boss structure of the mounting portion of the ball head seat, and the clamping portion is divided into three fan-shaped clamping angles of the same structure by three open grooves of the same structure arranged in a circular matrix, and the inner walls of the three fan-shaped clamping angles are wrapped to form a ball socket, and when the ball head is installed into the ball head seat, the material reduction design of the three open grooves of the mounting portion makes it easier for the three fan-shaped clamping angles to produce elastic deformation and open circumferentially, which is beneficial for the ball head to enter the ball head seat and realize limiting and installation.

[0005] Further improvements are as follows: the upper part of the outer walls of the three fan-shaped clamping corners is provided with a limit platform of the same structure arranged in a circular matrix, totaling three limit platforms of the same structure; the lower part of the outer walls of the three fan-shaped clamping corners is provided with an elastic card of the same structure, and the three elastic cards of the same structure are respectively located below the three limit platforms of the same structure in sequence; the three elastic cards are bow-shaped, and an elastic boss of the same structure is respectively arranged in the middle of the three elastic cards, the upper parts of the three elastic bosses are convex rectangles, and the lower parts are semicircular grooves, and the groove structure is used to ensure the uniform wall thickness of the elastic bosses, thereby ensuring the quality of injection molding; a fan-shaped curved hole is designed on each of the three elastic cards, and the material reduction design of the fan-shaped curved hole reduces the deformation resistance of the three elastic cards and ensures the elastic deformation of the elastic cards; convex angles one and two are respectively arranged on both sides of the three elastic bosses, convex angle one is located on the left side of the elastic boss, and convex angle two is located on the right side of the elastic boss, and the radius of convex angle one is smaller than the radius of convex angle two.

[0006] Further improvements are as follows: the carrier includes a central mounting hole, a slideway, a circumferential stop rib, a radial stop rib, and a slot; the center of the mounting hole is circular, and three rectangular holes with the same structure arranged in a circular matrix are radially extended; the slideways have three identical structures, are arranged in a circular matrix, and are tightly attached to the outer ring of the upper side of the mounting hole; the starting end of the slideway is tightly attached to one side of the rectangular hole, and extends circumferentially around the mounting hole, and the circumferential wall thickness of the slideway relative to the mounting hole gradually increases along the starting end; the circumferential stop ribs have three identical structures, are tightly attached to the mounting hole, and are uniformly surrounded by the outer ring of the upper side of the mounting hole in a circular matrix, and stop at the other side of the rectangular hole different from the starting end of the slideway; the radial stop ribs have three identical structures, and are uniformly surrounded by the outer ring of the lower side of the mounting hole in a circular matrix, and each of the three radial stop ribs is provided with a convex angle three, and the radius of the convex angle three is smaller than the uniform radius of the radial stop rib; the slots have three identical structures, radially extend from the edge of the central circle of the mounting hole, and are uniformly distributed in a circular matrix on the outer ring of the lower side of the mounting hole.

[0007] Further improvements are: the three open grooves make it easy for the ball head seat to produce elastic deformation, the ball head is easily inserted into the ball head seat to complete the installation of the ball head to the ball head seat, and then the ball head seat is inserted into the mounting hole of the carrier, the mounting hole of the carrier circumferentially surrounds the outer wall of the fan-shaped corner of the ball head seat, the three limit platforms are respectively inserted into the three rectangular holes, and a universal ordinary screw installation tool is used to insert the plum blossom slot, and the ball head seat is rotated clockwise, so that the three limit platforms fit the three slideways and slide clockwise, ensuring that the three limit platforms are respectively against the three circumferential limit ribs in turn. At this time, the three elastic bosses are just stuck into the three slots in turn, the convex corner 1 of the fan-shaped clamping angle is close to the left side of the convex corner 3 on the radial limiting rib, and the convex corner 2 is close to the convex corner 3, and the installation of the ball head seat to the carrier is completed; the three circumferential limiting ribs and the three slots realize the circumferential limiting of the ball head seat to prevent the circumferential rotation of the ball head seat relative to the carrier, the convex corner 1, the convex corner 2, the mounting hole, the three radial limiting ribs and the convex corner 3 realize the radial limiting of the ball head seat and the locking of the ball head by the ball head seat to prevent the ball head from falling out of the ball head seat after being subjected to force.

[0008] Further improvements are as follows: the fixation of the ball head seat relative to the carrier completely relies on its own structure, avoiding the need for traditional ball head seat fixation to rely on fasteners such as screws, greatly reducing design, production and installation costs, and by means of the cooperation between the ball head seat and the carrier, the ball head seat is limited on the carrier, the ball head is inserted into the ball head seat, and the carrier locks the ball head seat to prevent the ball head from escaping from the ball head seat, thereby ensuring the tensile strength and fully realizing the OEM's requirement for high tensile force of the ball head seat, and the structure is reliable and easy to install.

[0009] The beneficial effects of the present invention are as follows: the ball head seat of the present invention realizes that the ball head seat is easier to produce elastic deformation through the design of the open groove, thereby facilitating the installation of the ball head into the ball head seat; the fixation of the ball head seat relative to the carrier completely relies on its own structure, avoiding the need for the fixation of the traditional ball head seat to rely on screw fasteners, greatly reducing the design, production and installation costs; the locking of the ball head by the ball head seat system completely relies on the installation and cooperation of the ball head seat and the carrier, fully ensuring the circumferential and radial limitation of the ball head seat on the carrier, as well as the locking of the ball head by the ball head seat system, ensuring higher tensile strength, fully meeting the requirements of the main engine manufacturer for the ball head seat to withstand high pull-out forces, and the structure is reliable and the installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic axonometric diagram of the assembly of the ball head seat and the carrier of the present invention.

[0011] Figure 2 It is a front view of the ball head seat of the present invention.

[0012] Figure 3 The axonometric view of the ball seat of the present invention is Figure 1.

[0013] Figure 4 The axonometric view of the ball seat of the present invention is Figure 2 .

[0014] Figure 5 It is a top view of the ball head seat of the present invention.

[0015] Figure 6 yes Figure 5 Schematic diagram of the cross-sectional structure along the C-C direction.

[0016] Figure 7 It is an axonometric view of the upper side of the carrier of the present invention.

[0017] Figure 8 It is an axonometric view of the lower side of the carrier of the present invention.

[0018] Fig. 9 It is a top view of the unfinished installation of the ball head seat and the carrier of the present invention.

[0019] Fig.10 It is a top view of the ball head seat and the carrier of the present invention after installation.

[0020] Fig.11 It is a bottom view of the ball head seat and the carrier of the present invention after installation.

[0021] Fig.12 yes Fig.11 The partially enlarged schematic diagram E.

[0022] Fig.13 yes Fig.11 Schematic diagram of the cross-sectional structure along the D-D direction.

[0023] In the figure: 1-ball head seat, 2-carrier, 3-plum blossom slot, 4-open slot, 5-sector-shaped clamping angle, 6-ball socket, 7-limiting platform, 8-elastic clamp, 9-elastic boss, 10-convex angle one, 11-convex angle two, 12-sector-shaped curved hole, 13-mounting hole, 14-slideway, 15-circumferential limiting rib, 16-radial stop rib, 17-cage, 18-rectangular hole, 19-convex angle three, 20-ball head, A-mounting part, B-clamping part. DETAILED DESCRIPTION

[0024] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0025] In the description of the embodiments of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "inside", "outside", and "clockwise" are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0026] like Figure 1-13As shown, the present embodiment provides a high-pull-out force resistant ball head seat system for vehicle lamps, comprising a ball head seat 1 and a circular carrier 2, wherein the carrier 2 has a mounting hole 13 in the middle, and a ball head seat 1; the ball head seat 1 has a mounting portion, which is a hexagonal boss structure, and the center of the hexagonal boss structure has a hexagonal slot 3 which is the same as a universal screw, and during installation, a universal ordinary screw mounting tool is directly used to rotate the ball head seat 1 and fix it in the mounting hole 13 of the carrier 2; a clamping portion is connected to the root of the hexagonal boss structure of the mounting portion of the ball head seat 1, and the clamping portion is divided into three fan-shaped clamping corners 5 of the same structure by three open grooves 4 of the same structure arranged in a circular matrix, and the inner walls of the three fan-shaped clamping corners 5 are wrapped to form a ball socket 6, and when the ball head 20 is installed into the ball head seat, the material reduction design of the three open grooves 4 of the mounting portion makes it easier for the three fan-shaped clamping corners 5 to produce elastic deformation and open circumferentially, which is beneficial for the ball head 20 to enter the ball head seat 1 and achieve limiting and installation. The upper part of the outer wall of the three sector-shaped clamping angles 5 is provided with a limit platform 7 of the same structure arranged in a circular matrix, and there are three limit platforms 7 of the same structure in total; the lower part of the outer wall of the three sector-shaped clamping angles 5 is provided with an elastic card 8 of the same structure, and the three elastic cards 8 of the same structure are respectively located below the three limit platforms 7 of the same structure in sequence; the three elastic cards 8 are bow-shaped, and an elastic boss 9 of the same structure is respectively arranged in the middle of the three elastic cards 8, and the upper part of the three elastic bosses 9 is a convex rectangle, and the lower part is a semicircular The groove structure is used to ensure the uniform wall thickness of the elastic boss 9, thereby ensuring the quality of injection molding; a fan-shaped curved hole 12 is designed on each of the three elastic cards 8, and the material reduction design of the fan-shaped curved hole 12 reduces the deformation resistance of the three elastic cards 8 and ensures the elastic deformation of the elastic cards 8; a convex corner 10 and a convex corner 2 11 are respectively arranged on both sides of the three elastic bosses 9, the convex corner 10 is located on the left side of the elastic boss 9, and the convex corner 2 10 is located on the right side of the elastic boss 9, and the radius of the convex corner 10 is smaller than the radius of the convex corner 2 11.The carrier 2 includes a central mounting hole 13, a slideway 14, a circumferential stop rib 15, a radial stop rib 16, and a slot 17; the mounting hole 13 is circular in center, and radially extends with three rectangular holes 18 of the same structure arranged in a circular matrix; the slideway 14 has three, identical structures, arranged in a circular matrix, and is tightly attached to the outer ring of the upper side of the mounting hole 13; the starting end of the slideway 14 is tightly attached to one side of the rectangular hole 18, and extends circumferentially around the mounting hole 13; the circumferential wall thickness of the slideway 14 relative to the mounting hole 13 gradually increases along the starting end; the circumferential stop rib 15 has three, identical structures, and is tightly attached to the mounting hole 13 The holes 13 are in a circular matrix uniformly surrounding the outer circle of the upper side of the mounting hole 13, and stop at the other side of the rectangular hole 18 that is different from the starting end of the slideway 14; there are three radial stop ribs 16 with the same structure, which are in a circular matrix uniformly surrounding the outer circle of the lower side of the mounting hole 13, and each of the three radial stop ribs 16 is respectively provided with a convex corner three 19, and the radius of the convex corner three 19 is smaller than the uniform radius of the radial stop rib 16; there are three card slots 17 with the same structure, which extend radially from the edge of the central circle of the mounting hole 13, and are uniformly distributed in a circular matrix on the outer circle of the lower side of the mounting hole 13.

[0027] The three open grooves 4 make it easy for the ball head seat 1 to produce elastic deformation, and the ball head 20 is easily inserted into the ball head seat 1 to complete the installation of the ball head 20 to the ball head seat 1, and then the ball head seat 1 is inserted into the mounting hole 13 of the carrier 2. The mounting hole 13 of the carrier 2 circumferentially covers the outer wall of the fan-shaped clamping angle 5 of the ball head seat 1, and the three limit platforms 7 are respectively inserted into the three rectangular holes 18. Use a universal ordinary screw installation tool to insert the plum blossom slot 3, and rotate the ball head seat 1 clockwise so that the three limit platforms 7 fit the three slideways 14 and slide clockwise to ensure that the three limit platforms 7 are respectively against the three circumferential limit ribs 15 in turn. At this time, the three elastic bosses 9 just fits into the three said slots 17 in sequence respectively, the convex corner 10 of the fan-shaped clamping angle 5 is close to the left side of the convex corner 3 19 on the radial limiting rib 16, and the convex corner 2 11 is close to the convex corner 3 19, and the installation of the ball head seat 1 to the carrier 2 is completed; the three circumferential limiting ribs 15 and the three slots 17 realize the circumferential limiting of the ball head seat 1 to prevent the circumferential rotation of the ball head seat 1 relative to the carrier 2, the convex corner 10, the convex corner 2 11, the mounting hole 13, the three radial limiting ribs 16 and the convex corner 3 19 realize the radial limiting of the ball head seat 1 and the locking of the ball head 20 by the ball head seat 1 to prevent the ball head 20 from escaping from the ball head seat 1 after being subjected to force.

[0028] The fixation of the ball head seat 1 relative to the carrier 2 completely relies on its own structure, avoiding the need for traditional ball head seat fixation to rely on fasteners such as screws, greatly reducing design, production and installation costs, and by means of the cooperation between the ball head seat 1 and the carrier 2, the ball head seat 1 is limited on the carrier 2. The ball head 20 is inserted into the ball head seat 1, and the carrier 2 locks the ball head seat 1 to prevent the ball head 20 from escaping from the ball head seat 1, thereby ensuring the tensile strength and fully realizing the OEM's requirement for high tensile force of the ball head seat. In addition, the structure is reliable and the installation is convenient.

[0029] The ball head seat 1 of the present embodiment realizes that the ball head seat 1 is easier to produce elastic deformation through the design of the open groove 4, which is beneficial to the installation of the ball head into the ball head seat 1; the fixation of the ball head seat 1 relative to the carrier 2 completely relies on its own structure, avoiding the need for the fixation of the traditional ball head seat 1 to rely on screw fasteners, greatly reducing the design, production and installation costs; the locking of the ball head by the ball head seat system completely relies on the installation and cooperation of the ball head seat 1 and the carrier 2, fully ensuring the circumferential and radial limitation of the ball head seat 1 on the carrier 2, and the locking of the ball head 20 by the ball head seat system, ensuring a higher tensile strength, fully meeting the requirements of the main engine manufacturer for the ball head seat to withstand high pull-out forces, and the structure is reliable and easy to install.

Claims

1. A high-pullout-resistant ball head seat system for a vehicle lamp, comprising a ball head seat (1) and a circular carrier (2), characterized in that: The carrier (2) has a mounting hole (13) in the middle and a ball head seat (1); the ball head seat (1) has a mounting portion, which is a hexagonal boss structure, and the center of the hexagonal boss structure has a hexagonal slot (3) that is the same as a universal screw. During installation, a universal ordinary screw installation tool is directly used to rotate the ball head seat (1) to fix it in the mounting hole (13) of the carrier (2); the root of the hexagonal boss structure of the mounting portion of the ball head seat (1) is connected to a clamping portion, and the clamping portion is divided into three open slots of the same structure arranged in a circular matrix. (4) It is divided into three sector-shaped clamping angles (5) of the same structure, and the inner walls of the three sector-shaped clamping angles (5) are wrapped to form a ball socket (6). When the ball head (20) is installed into the ball head seat, the three opening grooves (4) of the installation part are designed with reduced material, so that the three sector-shaped clamping angles (5) are more likely to produce elastic deformation and open in the circumferential direction, which is beneficial for the ball head (20) to enter the ball head seat (1) and achieve positioning and installation; the upper part of the outer wall of the three sector-shaped clamping angles (5) is provided with a limiting platform (7) of the same structure arranged in a circular matrix, a total of three The three sector-shaped clamping angles (5) are provided with a resilient clamp (8) of the same structure at the lower part of the outer wall, and the three resilient clamps (8) of the same structure are respectively located below the three resilient clamps (7) of the same structure in sequence; the three resilient clamps (8) are arched, and a resilient boss (9) of the same structure is respectively provided in the middle of the three resilient clamps (8), and the upper part of the three resilient bosses (9) is a convex rectangle, and the lower part is a semicircular groove, and the groove structure is used to ensure the uniform wall thickness of the resilient bosses (9), thereby ensuring The quality of injection molding; each of the three elastic cards (8) is designed with a fan-shaped curved hole (12); the material reduction design of the fan-shaped curved hole (12) reduces the deformation resistance of the three elastic cards (8) and ensures the elastic deformation of the elastic cards (8); a convex angle 1 (10) and a convex angle 2 (11) are respectively arranged on both sides of the three elastic bosses (9); the convex angle 1 (10) is located on the left side of the elastic boss (9), and the convex angle 2 (11) is located on the right side of the elastic boss (9); the radius of the convex angle 1 (10) is smaller than the radius of the convex angle 2 (11); The carrier (2) comprises a central mounting hole (13), a slideway (14), a circumferential stop rib (15), a radial stop rib (16), and a slot (17); the center of the mounting hole (13) is circular, and three rectangular holes (18) with the same structure and arranged in a circular matrix are radially extended; the slideway (14) has three identical structures, arranged in a circular matrix and tightly attached to the outer ring of the upper side of the mounting hole (13); the starting end of the slideway (14) is tightly attached to one side of the rectangular hole (18) and extends circumferentially around the mounting hole (13); the circumferential wall thickness of the slideway (14) relative to the mounting hole (13) gradually increases along the starting end; the circumferential stop ribs (15) have three identical structures and are tightly attached to the outer ring of the upper side of the mounting hole (13); The mounting hole (13) is in a circular matrix uniformly surrounding the outer ring of the upper side of the mounting hole (13) and stops at the other side of the rectangular hole (18) different from the starting end of the slideway (14); there are three radial stop ribs (16) with the same structure, which are in a circular matrix uniformly surrounding the outer ring of the lower side of the mounting hole (13), and each of the three radial stop ribs (16) is provided with a convex angle three (19), and the radius of the convex angle three (19) is smaller than the uniform radius of the radial stop rib (16); there are three clamping grooves (17) with the same structure, which extend radially from the edge of the central circle of the mounting hole (13) and are uniformly distributed in a circular matrix on the outer ring of the lower side of the mounting hole (13); The three opening grooves (4) make it easy for the ball head seat (1) to produce elastic deformation, and the ball head (20) is easily inserted into the ball head seat (1) to complete the installation of the ball head (20) to the ball head seat (1). Then, the ball head seat (1) is inserted into the installation hole (13) of the carrier (2). The installation hole (13) of the carrier (2) circumferentially covers the outer wall of the fan-shaped clamping angle (5) of the ball head seat (1). The three limit platforms (7) are respectively inserted into the three rectangular holes (18). A universal ordinary screw installation tool is used to insert the plum blossom slot (3). The ball head seat (1) is rotated clockwise so that the three limit platforms (7) fit the three slideways (14) and slide clockwise to ensure that the three limit platforms (7) are respectively against the three circumferential stop ribs (15). At this time, the three elastic bosses (9) are just The ball head seat (1) is preferably inserted into the three slots (17) in sequence, the convex angle 1 (10) of the fan-shaped clamping angle (5) is closely attached to the left side of the convex angle 3 (19) on the radial stop rib (16), and the convex angle 2 (11) is closely attached to the convex angle 3 (19), and the installation of the ball head seat (1) to the carrier (2) is completed; the three circumferential stop ribs (15) and the three slots (17) realize the circumferential limit of the ball head seat (1) to prevent the ball head seat (1) from rotating circumferentially relative to the carrier (2); the convex angle 1 (10), the convex angle 2 (11), the mounting hole (13), the three radial stop ribs (16) and the convex angle 3 (19) realize the radial limit of the ball head seat (1) and the locking of the ball head (20) by the ball head seat (1) to prevent the ball head (20) from falling out of the ball head seat (1) after being subjected to force; The fixation of the ball head seat (1) relative to the carrier (2) completely relies on its own structure. With the help of the cooperation between the ball head seat (1) and the carrier (2), the ball head seat (1) is limited on the carrier (2). The ball head (20) is inserted into the ball head seat (1), and the carrier (2) locks the ball head seat (1) to prevent the ball head (20) from falling out of the ball head seat (1).