Fluted disc type folding mirror

Abstract

The utility model relates to the technical field of vehicle manufacturing, in particular to a fluted disc type folding mirror. Comprising a ball head rod and a mounting seat, a ball head is arranged at the lower end of the ball head rod, the mounting seat comprises a ring sleeve at the lower part of the mounting seat, a first end cover integrated with the ball head rod is arranged at the upper end of the ball head rod, a mounting shaft with a bolt hole is arranged on the inner surface of the first end cover, and a bolt is screwed in the bolt hole; a first fluted disc, a second fluted disc, a metal dome spring and a second end cover are sequentially arranged on the mounting shaft between the first end cover and the bolt head, a first limiting mechanism is arranged between the first end cover and the first fluted disc, and matched radial teeth are arranged on the opposite surfaces of the first fluted disc and the second fluted disc; the second fluted disc is located in the ring sleeve, and a second limiting mechanism is arranged between the inner surface of the ring sleeve and the second fluted disc. And a third limiting mechanism is arranged between the second end cover and the ball head rod. According to the utility model, the folding mirror can be adjusted at different heights and folded, the wear resistance and the service life of the folding mirror are improved structurally, and the light weight is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to a toothed disc type folding mirror. Background Art

[0002] The rearview mirror plays an important role in car driving. Through the rearview mirror, the situation behind and to the side of the car can be observed, and collisions can be prevented when the driver wants to change lanes or reverse, which expands the driver's field of vision and increases driving safety. With the progress of the times, the lightweight of the rearview mirror is the goal that technicians in this industry have been pursuing.

[0003] The position of the existing rearview mirror on the car is mostly fixed. The angle of the rearview mirror can be adjusted by a ball joint, but the height cannot be adjusted, resulting in the inability to adapt to drivers of different heights. There is also a foldable rearview mirror on the market. This structure solves the problem of height adjustment, but its structure cannot guarantee wear resistance and service life, increases the cost of use, and is not lightweight enough. Utility Model Content

[0004] The purpose of the utility model is to provide a toothed disc folding mirror to solve the problem that the structure of the adjustment of different heights of the interior rearview mirror cannot ensure wear resistance and service life, and is not lightweight enough. The technical solution adopted by the utility model is as follows:

[0005] A toothed disc type folding mirror comprises a ball head rod and a mounting seat, wherein a ball head is arranged at the lower end of the ball head rod, and the mounting seat comprises a ring sleeve at the lower part thereof, and a first end cover which is integral with the ball head rod is arranged at the upper end of the ball head rod, and a mounting shaft with a bolt hole is arranged on the inner surface of the first end cover, and a bolt is screwed into the bolt hole; a first toothed disc, a second toothed disc, a pot spring and a second end cover are arranged in sequence on the mounting shaft between the first end cover and the bolt head, a first limiting mechanism is arranged between the first end cover and the first toothed disc, and matching radial teeth are arranged on the opposite end surfaces of the first toothed disc and the second toothed disc; the second toothed disc is located in the ring sleeve, and a second limiting mechanism is arranged between the inner surface of the ring sleeve and the second toothed disc; a third limiting mechanism is arranged between the second end cover and the ball head rod; the diameters of the first end cover and the second end cover are larger than the inner diameter of the ring sleeve.

[0006] Furthermore, the second limiting mechanism includes at least one second limiting groove arranged along the circumferential surface of the second toothed disc and a second protrusion arranged on the inner surface of the ring sleeve, the axial width of the second protrusion is smaller than the axial width of the ring sleeve and is close to one side of the first toothed disc, and the pot spring is located in the ring sleeve.

[0007] Furthermore, the second limiting groove passes through two end surfaces of the second gear plate.

[0008] Furthermore, a first toothed disc mounting groove is provided on the inner surface of the first end cover, at least one first limiting groove is provided in the first toothed disc mounting groove, and a first protrusion matching with the first limiting groove is provided on the outer end surface of the first toothed disc.

[0009] Furthermore, the outer diameter of the ring sleeve is greater than the diameter of the first toothed disc, and a first toothed disc embedding groove is provided on the end surface of the ring sleeve adjacent to the first toothed disc.

[0010] Furthermore, an adjustment pad is arranged between the second end cover and the pot spring, and an adjustment pad embedding groove is arranged on the inner surface of the second end cover, and the adjustment pad is located in a cavity formed by the second end cover and the ring sleeve.

[0011] Furthermore, a surface cooperating with the ring sleeve and the second end cover is arranged on one side of the upper end of the ball head rod and the first end cover, and the third limiting mechanism includes a third protrusion arranged on the circumference of the second end cover and a third limiting groove arranged on the upper end of the ball head rod.

[0012] Furthermore, an anti-drop protrusion is arranged on the ball head at the lower end of the ball head rod.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model realizes the adjustment of different heights of the folding mirror and the folding and stowing of the folding mirror by the meshing rotation of the gear disc.

[0015] 2. The toothed discs of the embodiment of the utility model are independently arranged and made of a more wear-resistant POM material, which improves the wear resistance and service life while achieving lightweight.

[0016] 3. A pot spring is used to reduce the overall space and weight. An adjustment pad is set between the pot spring and the second end cover. The adjustment pad is made of the same material as the toothed disc to increase the wear resistance between them, improve the service life and reduce the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the exploded three-dimensional structure of an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of a partially exploded three-dimensional structure of an embodiment of the utility model;

[0019] Figure 3 It is a right view structural schematic diagram of the utility model;

[0020] Figure 4 for Figure 3 Section view in the AA direction;

[0021] Figure 5 for Figure 4 A partial enlarged view of point B in the middle;

[0022] In the figure, 1, ball head rod, 11, first end cover, 12, anti-slip protrusion, 13, mounting shaft, 14, first toothed disc mounting groove, 15, first limiting groove, 16, third limiting groove, 2, first toothed disc, 21, first protrusion, 3, second toothed disc, 31, second limiting groove, 4, mounting seat, 41, ring sleeve, 42, first toothed disc embedding groove, 43, second protrusion, 44, screw through hole, 45, decorative cover, 5, pot leaf spring, 6, second end cover, 61, third protrusion, 62, adjusting pad embedding groove, 7, bolt, 8, adjusting pad, 9, radial teeth, 10, folding mirror, 101, ball head seat. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with specific embodiments. Figure 1 The components of this embodiment are defined with the axis of symmetry of the mounting base 4 as the center, wherein the first end cover 11 and the second end cover 6 facing the side of the mounting base 4 are the inner surface, and the surfaces of other components perpendicular to their horizontal axes are collectively referred to as end surfaces, which are divided into outer end surfaces and inner end surfaces relative to the axis of symmetry of the mounting base 4, and the circumferential surface is the circumferential surface.

[0024] As shown in the figure, this embodiment includes a ball head rod 1 and a mounting seat 4. The upper end of the ball head rod 1 is provided with a first end cap 11 integrated therewith, and the lower end is provided with a ball head with an anti-slip protrusion 12, and the ball head cooperates with the ball head seat 101 of the outer shell of the folding mirror 10, and the anti-slip protrusion 12 cooperates with the inner cavity wall of the ball head seat 101 when adjusting the angle of the folding mirror 10 to play an anti-slip effect. The inner surface of the first end cap 11 is provided with a mounting shaft 13 with a bolt hole, and the bolt hole is screwed with a bolt 7; and the mounting shaft 13 between the first end cap 11 and the bolt head is provided with a first toothed disc 2, a second toothed disc 3, a pot spring 5 and a second end cap 6 in sequence.

[0025] A first limiting mechanism is provided between the first end cover 11 and the first toothed disc 2, and a first toothed disc mounting groove 14 is provided on the inner surface of the first end cover 11. The first limiting mechanism includes at least one first limiting groove 15 provided in the first toothed disc mounting groove 14 and a first protrusion 21 provided on the outer end surface of the first toothed disc 3 and matched with the first limiting groove 15, and the first limiting groove 15 is matched with the first protrusion 21, so that the first toothed disc 2 is located in the first toothed disc mounting groove 14 on the inner surface of the first end cover 11; in this embodiment, three matching first limiting grooves 15 and first protrusions 21 are provided around the mounting shaft 13 to ensure its strength. Matching radial teeth 9 are provided on the opposite end surfaces of the first toothed disc 2 and the second toothed disc 3; the diameter of the first toothed disc 2 is larger than the diameter of the second toothed disc 3, and the diameter of the second toothed disc 3 is adapted to the inner diameter of the ring sleeve 41 of the mounting seat 4 and is located in the ring sleeve 41.

[0026] The mounting seat 4 of this embodiment is composed of a fixed part and a ring sleeve 41 at the bottom. The ring sleeve 41 surrounds the second toothed disc 3 and the outer periphery of the pot spring 5, and the diameters of the first end cover 11 and the second end cover 6 are larger than the inner diameter of the ring sleeve 41, and are matched with the two end surfaces of the ring sleeve 41; the outer diameter of the ring sleeve 41 is larger than the diameter of the first toothed disc 2, and the end surface of the ring sleeve 41 adjacent to the first toothed disc 2 is provided with a first toothed disc embedding groove 42, which plays a positioning role and ensures the meshing of the radial teeth 9 of the first toothed disc 2 and the second toothed disc 3. The fixed part of the mounting seat 4 includes a connecting rod integrally connected to the ring sleeve 41 and a connecting block at the upper end of the connecting rod, and the connecting block is provided with a screw through hole 44, which is used to be fixedly connected to the roof to achieve the overall fixation of the folding mirror 10.

[0027] A second limiting mechanism is arranged between the inner surface of the ring sleeve 41 and the second toothed disc 3, and the second limiting mechanism includes at least one second limiting groove 31 arranged along the circumferential surface of the second toothed disc 3 and a second protrusion 43 arranged on the inner surface of the ring sleeve 41; wherein the second limiting groove 31 passes through the two end surfaces of the second toothed disc 3, and the axial width of the second protrusion 43 is smaller than the axial width of the ring sleeve 41 and is close to one side of the first toothed disc 2, and the pot leaf spring 5 is located in the ring sleeve 41.

[0028] An adjustment pad 8 is arranged between the pot spring 5 and the second end cover 6, and the inner surface of the second end cover 6 is provided with an adjustment pad embedding groove 62 matching the diameter of the adjustment pad 8 and a countersunk through hole matching the bolt 7, and the adjustment pad 8 is located in a cavity jointly formed by the second end cover 6 and the ring sleeve 41; the outer end surface of the middle part of the pot spring 5 contacts the inner end surface of the adjustment pad 8, and the three extended legs contact the inner end surface of the second toothed disc 3, and the adjustment pad 8 and the toothed disc are made of the same material, thereby ensuring the wear resistance between the pot spring 5 and the second end cover 6 and improving its service life.

[0029] A third limiting mechanism is arranged between the second end cover 6 and the ball head rod 1 of this embodiment, and a surface cooperating with the ring sleeve 41 and the second end cover 6 is arranged on the upper end of the ball head rod 1 and one side of the first end cover 11. The third limiting mechanism includes a third protrusion 61 arranged on the circumferential surface of the second end cover 6 and a third limiting groove 16 arranged on the upper end of the ball head rod 1 and the cooperating surface with the ring sleeve 41 and the second end cover 6; the third limiting groove 16 is a T-shaped groove, which runs through the surface of the upper end of the ball head rod 1 that cooperates with the ring sleeve 41 and the second end cover 6, thereby reducing the overall weight while ensuring stress; the step surface of the T-shaped groove cooperates with the end face of the third protrusion 61 to play a limiting role.

[0030] In this embodiment, the first limiting mechanism and the third limiting mechanism limit the fit between the ball head rod 1, the first toothed disc 2 and the second end cover 6, and the second limiting mechanism limits the fit between the second toothed disc 3 and the mounting seat 4; and the pot spring 5 is sleeved on the mounting shaft 13 and located in the ring sleeve 41, and under the action of its tension, provides a rotation space for the meshing between the first toothed disc 2 and the second toothed disc 3. Among them, the first limiting structure and the third limiting structure can adopt other forms, such as, the corresponding components are keyed to the mounting shaft 13.

[0031] When the present embodiment is used, first, it is fixedly connected to the roof of the car through the mounting seat 4, and the connection between the mounting seat 4 and the roof can be covered and further reinforced by the decorative cover 45; then, the ball head of the ball head rod 1 cooperates with the ball head seat 101 of the folding mirror 10, and the ball head rod 1 is pushed up and down, and its pot leaf spring 5 provides a certain moving space for the second toothed disc 3 in the ring sleeve 41 of the mounting seat 4 through its own tension, so that the first toothed disc 2 and the second toothed disc 3 are meshed and rotated, and the first end cover 11, the first toothed disc 2 and the second end cover 6 are relatively rotated relative to the second toothed disc 3 and the mounting seat 4, so as to realize the adjustment of the folding mirror 10 at different heights; and under the action of the tensioning force of the pot leaf spring 5, fixation at different heights is realized.

[0032] In this embodiment, the first end cover 11 and the first toothed disc 2 are separated into two parts, so that the first toothed disc 2 can be made of non-metallic materials, thereby reducing the overall weight of the assembly formed by the ball head rod 1 and the mounting seat 4, and further achieving lightweight products. In addition, the first toothed disc 2 is made of a material with better wear resistance than the ball head rod 1, such as POM material; the second toothed disc 3 and the first toothed disc 2 are made of the same material, thereby improving the wear resistance of the toothed disc and increasing the service life of the product while minimizing the cost.

[0033] It is noted here that other parts of this embodiment are prior art and will not be described in detail here.

Claims

1. A toothed disc type folding mirror, comprising a ball head rod and a mounting seat, wherein the lower end of the ball head rod is provided with a ball head, and the mounting seat comprises a ring sleeve at the lower part thereof, wherein: A first end cover is provided at the upper end of the ball head rod and is integrated with the ball head rod. A mounting shaft with a bolt hole is provided on the inner surface of the first end cover, and a bolt is screwed into the bolt hole. A first toothed disc, a second toothed disc, a pot spring and a second end cover are sequentially provided on the mounting shaft between the first end cover and the bolt head. A first limiting mechanism is provided between the first end cover and the first toothed disc, and matching radial teeth are provided on the opposite end surfaces of the first toothed disc and the second toothed disc. The second toothed disc is located in the ring sleeve, and a second limiting mechanism is provided between the inner surface of the ring sleeve and the second toothed disc. A third limiting mechanism is provided between the second end cover and the ball head rod. The diameters of the first end cover and the second end cover are larger than the inner diameter of the ring sleeve.

2. The toothed disc folding mirror according to claim 1, characterized in that: The second limiting mechanism includes at least one second limiting groove arranged along the circumference of the second toothed disc and a second protrusion arranged on the inner surface of the ring sleeve. The axial width of the second protrusion is smaller than the axial width of the ring sleeve and is close to one side of the first toothed disc. The pot spring is located in the ring sleeve.

3. The toothed disc folding mirror according to claim 2, characterized in that: The second limiting groove passes through the two end surfaces of the second gear plate.

4. The toothed disc folding mirror according to claim 1, 2 or 3, characterized in that: The inner surface of the first end cover is provided with a first toothed disc installation groove, at least one first limiting groove is provided in the first toothed disc installation groove, and a first protrusion matched with the first limiting groove is provided on the outer end surface of the first toothed disc.

5. The toothed disc type folding mirror according to claim 4, characterized in that: The outer diameter of the ring sleeve is greater than the diameter of the first toothed disc, and a first toothed disc embedding groove is arranged on the end surface of the ring sleeve adjacent to the first toothed disc.

6. The toothed disc type folding mirror according to claim 1, 2 or 3, characterized in that: An adjustment pad is arranged between the second end cover and the pot spring, and an adjustment pad embedding groove is arranged on the inner surface of the second end cover. The adjustment pad is located in a cavity formed by the second end cover and the ring sleeve.

7. The toothed disc type folding mirror according to claim 1, 2 or 3, characterized in that: The upper end of the ball head rod and one side of the first end cover are provided with a surface matching with the ring sleeve and the second end cover, and the third limiting mechanism includes a third protrusion provided on the circumference of the second end cover and a third limiting groove provided on the upper end of the ball head rod.

8. The toothed disc type folding mirror according to claim 1, 2 or 3, characterized in that: An anti-drop protrusion is arranged on the ball head at the lower end of the ball head rod.

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