Anti-deformation angle adjusting structure of HUD mirror

Abstract

The anti-deformation angle adjusting structure of the HUD mirror comprises a machine base, a motor, an output gear and a bevel gear, the motor is arranged on the machine base, and the output gear is arranged on an output shaft of the motor; the transmission device further comprises a middle shell, a transmission gear and double torsion springs, the machine base is arranged on the middle shell, the bevel gear is provided with vertical teeth extending in the height direction of the bevel gear, the transmission gear is arranged between the output gear and the vertical teeth, and the transmission gear is meshed with the output gear and the vertical teeth; the bevel gear is provided with a penetrating hole in a penetrating mode, the two ends of the double-torsion spring penetrate out of the penetrating hole, one end of the double-torsion spring abuts against the middle shell, and the other end of the double-torsion spring abuts against the machine base. When the motor drives the output gear to rotate, the double torsional springs can apply two opposite forces to the bevel gear, and the two opposite forces counteract each other, so that the bevel gear does not deform, the service life of the bevel gear is prolonged, the deformation degree of the HUD mirror is reduced, and the service life of the HUD mirror is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted HUD head-up displays, in particular to an anti-deformation angle adjustment structure of a HUD mirror. Background Art

[0002] In existing technology, the HUD mirror flips through the interaction of a torsion spring, bevel gears, and a motor. One end of the torsion spring is fixed to the motor base, and the other end is inserted into the bevel gear. The motor drives the bevel gear to rotate, thereby adjusting the angle of the HUD mirror. During the angle adjustment process, the force applied to one end of the torsion spring causes the bevel gears to deform, which in turn causes the HUD mirror to deform, affecting the PV value of the HUD mirror. This requires improvement. Summary of the Invention

[0003] The utility model aims to solve the defects in the prior art that a motor drives the bevel gear to rotate, one end of the torsion spring is subjected to force, causing the bevel gear to deform, thereby causing the HUD mirror to deform, and provides a new anti-deformation angle adjustment structure for the HUD mirror.

[0004] In order to solve the above technical problems, the present invention is implemented through the following technical solutions:

[0005] A HUD mirror anti-deformation angle adjustment structure includes a base, a motor, an output gear, and bevel gears, wherein the motor is arranged on the base, and the output gear is arranged on the output shaft of the motor; the structure also includes a middle shell, a transmission gear, and a double torsion spring, wherein the base is arranged on the middle shell, the bevel gear is provided with vertical teeth extending along the height direction of the bevel gear, the transmission gear is arranged between the output gear and the vertical teeth, and the transmission gear is engaged with the output gear and the vertical teeth; the bevel gear is provided with a through hole, and the two ends of the double torsion spring extend through the through hole, one end of the double torsion spring abuts against the middle shell, and the other end of the double torsion spring abuts against the base.

[0006] When the motor drives the output gear to rotate, the double torsion spring can apply two forces in opposite directions to the bevel gear, and the two opposite forces offset each other, so that the bevel gear does not deform, extending the service life of the bevel gear, thereby reducing the degree of deformation of the HUD mirror and extending the service life of the HUD mirror.

[0007] Preferably, in the above-described anti-deformation angle adjustment structure of a HUD mirror, a shield is provided on the middle shell, a protective area is formed between the motor base and the shield, and the output gear, vertical teeth and transmission gear are arranged in the protective area; the double torsion spring includes a first section and a second section, and the end of the first section is against the side end of the shield.

[0008] The output gear, the vertical gear and the transmission gear can be protected by the protection zone, thereby extending the service life of the output gear, the vertical gear and the transmission gear.

[0009] Preferably, the anti-deformation angle adjustment structure of the HUD mirror described above is provided with a convex plate, a prism and a fixed tube on the base, the prism and the fixed tube extend away from the base, and a limited gap is formed between the convex plate and the fixed tube; it also includes a gusset plate, the gusset plate is detachably arranged on the fixed tube, and the gusset plate is provided with a protruding block, the protruding block is in contact with the end of the prism and the outer side of the protruding block protrudes from the prism, the second section is sleeved on the prism and in contact with the protruding block, and the end of the second section is inserted into the limiting gap and in contact with the inner wall of the limiting gap.

[0010] The gusset plate is detachably mounted on the fixed tube, making it convenient to fit the second section onto the prism. At the same time, the second section is limited by the protruding block and the limiting gap, thereby improving the stability of the double torsion spring during use.

[0011] Preferably, in the above-mentioned anti-deformation angle adjustment structure of the HUD mirror, a tilting block is provided on the side of the fixed tube facing the convex plate, the end of the tilting block is tilted upward, and the end of the second section is in contact with the end of the tilting block.

[0012] The end of the second section can be offset by the tilting block, thereby further improving the stability of the double torsion spring when in use.

[0013] Preferably, in the anti-deformation angle adjustment structure of the HUD mirror described above, a positioning block is provided on the buckle plate, a positioning groove is provided on the base, the positioning block is inserted into the positioning groove, and the positioning block is in contact with the inner wall of the positioning groove.

[0014] The gusset plate and the fixing tube can be aligned by plugging and fitting the positioning block and the positioning groove, thereby facilitating the alignment of the protruding block and the prism, thereby improving the convenience of installing the gusset plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a partial structural diagram of the motor base, output gear, transmission gear, and vertical gear of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the motor, gusset plate, prism, limit gap, and second section of the present invention;

[0018] Figure 4 This is a schematic diagram of the partial structure of the utility model, which embodies the limiting gap, prism, and fixed tube;

[0019] Figure 5 This is a structural diagram of the gusset plate of the utility model.

[0020] Explanation of the accompanying reference numerals: 1. Machine base; 11. Protruding plate; 12. Prism; 13. Fixed tube; 131. Tilting block; 14. Positioning groove; 2. Motor; 3. Output gear; 4. Bevel gear; 41. Vertical tooth; 42. Through hole; 5. Middle shell; 51. Shield; 6. Transmission gear; 7. Double torsion spring; 71. First section; 72. Second section; 8. Protection area; 81. Limiting gap; 9. Buckle plate; 90. Protruding block; 91. Positioning block. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-5 The present invention is further described in detail with reference to the following specific embodiments, but they are not intended to limit the present invention:

[0022] Example 1

[0023] like Figure 1-Figure 5 As shown, an anti-deformation angle adjustment structure for a HUD mirror includes a base 1, a motor 2, an output gear 3 and a bevel gear 4, wherein the motor 2 is arranged on the base 1, and the output gear 3 is arranged on the output shaft of the motor 2; it also includes a middle shell 5, a transmission gear 6 and a double torsion spring 7, wherein the base 1 is arranged on the middle shell 5, the bevel gear 4 is provided with a vertical tooth 41 extending along the height direction of the bevel gear 4, the transmission gear 6 is arranged between the output gear 3 and the vertical tooth 41, and the transmission gear 6 is engaged with the output gear 3 and the vertical tooth 41; a through hole 42 is passed through the bevel gear 4, and both ends of the double torsion spring 7 extend through the through hole 42, one end of the double torsion spring 7 abuts against the middle shell 5, and the other end of the double torsion spring 7 abuts against the base 1.

[0024] Preferably, a baffle 51 is provided on the middle shell 5, and a protective area 8 is formed between the motor base 1 and the baffle 51, and the output gear 3, the vertical teeth 41 and the transmission gear 6 are arranged in the protective area 8; the double torsion spring 7 includes a first section 71 and a second section 72, and the end of the first section 71 is against the side end of the baffle 51.

[0025] Preferably, the base 1 is provided with a convex plate 11, a prism 12 and a fixed tube 13, the prism 12 and the fixed tube 13 extend away from the base 1, and a limited gap 81 is formed between the convex plate 11 and the fixed tube 13; it also includes a pinch plate 9, the pinch plate 9 is detachably arranged on the fixed tube 13, and a protruding block 90 is provided on the pinch plate 9, the protruding block 90 is in contact with the end of the prism 12 and the outer side of the protruding block 90 protrudes from the prism 12, the second section 72 is sleeved on the prism 12 and in contact with the protruding block 90, and the end of the second section 72 is inserted into the limiting gap 81 and in contact with the inner wall of the limiting gap 81.

[0026] Preferably, a tilting block 131 is provided on the side of the fixing tube 13 facing the convex plate 11 , the end of the tilting block 131 is tilted upward, and the end of the second section 72 is in contact with the end of the tilting block 131 .

[0027] Preferably, a positioning block 91 is provided on the pinch plate 9 , a positioning groove 14 is provided on the machine base 1 , and the positioning block 91 is inserted into the positioning groove 14 , and the positioning block 91 is in contact with the inner wall of the positioning groove 14 .

[0028] Specifically, the bevel gear 4 is connected to the HUD mirror. When the HUD mirror needs to be rotated, the motor 2 is turned on first, the motor 2 drives the output gear 3 to rotate, and the output gear 3 drives the transmission gear 6 to rotate, so that the bevel gear 4 can be driven to rotate through the mutual cooperation between the vertical tooth 41 and the transmission gear 6, and then the HUD mirror can be driven to rotate through the bevel gear 4.

[0029] When adjusting the rotation of the HUD mirror, the double torsion spring 7 can apply two forces in opposite directions to the bevel gear 4, and the two opposite forces cancel each other out. Therefore, when adjusting the angle of the HUD mirror, not only the bevel gear 4 is prevented from deformation, thereby extending the service life of the bevel gear 4, but also the degree of deformation of the HUD mirror is reduced, thereby extending the service life of the HUD mirror and facilitating use.

[0030] In short, the above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.

Claims

1. A HUD mirror anti-deformation angle adjustment structure, comprising a base (1), a motor (2), an output gear (3) and a bevel gear (4), wherein the motor (2) is arranged on the base (1), and the output gear (3) is arranged on the output shaft of the motor (2); characterized in that: The invention also includes a middle shell (5), a transmission gear (6) and a double torsion spring (7); the machine base (1) is arranged on the middle shell (5); the bevel gear (4) is provided with a vertical tooth (41) extending along the height direction of the bevel gear (4); the transmission gear (6) is arranged between the output gear (3) and the vertical tooth (41); the transmission gear (6) is meshed with the output gear (3) and the vertical tooth (41); a through hole (42) is passed through the bevel gear (4); two ends of the double torsion spring (7) pass through the through hole (42); one end of the double torsion spring (7) abuts against the middle shell (5), and the other end of the double torsion spring (7) abuts against the machine base (1).

2. The anti-deformation angle adjustment structure of a HUD mirror according to claim 1, characterized in that: A shield (51) is provided on the middle shell (5), a protective area (8) is formed between the machine base (1) and the shield (51), and the output gear (3), the vertical teeth (41) and the transmission gear (6) are arranged in the protective area (8); the double torsion spring (7) includes a first section (71) and a second section (72), and the end of the first section (71) abuts against the side end of the shield (51).

3. The anti-deformation angle adjustment structure of a HUD mirror according to claim 2, characterized in that: The machine base (1) is provided with a convex plate (11), a prism (12) and a fixed tube (13), the prism (12) and the fixed tube (13) extend in a direction away from the machine base (1), and a limited gap (81) is formed between the convex plate (11) and the fixed tube (13); it also includes a buckle plate (9), the buckle plate (9) is detachably provided on the fixed tube (13), and a protruding block (90) is provided on the buckle plate (9), the protruding block (90) is in contact with the end of the prism (12), and the outer side of the protruding block (90) protrudes from the prism (12), the second section (72) is sleeved on the prism (12) and in contact with the protruding block (90), and the end of the second section (72) is inserted into the limited gap (81) and in contact with the inner wall of the limited gap (81).

4. The anti-deformation angle adjustment structure of a HUD mirror according to claim 3, characterized in that: A tilting block (131) is provided on one side of the fixed tube (13) facing the convex plate (11), the end of the tilting block (131) tilts upward, and the end of the second section (72) is in contact with the end of the tilting block (131).

5. The anti-deformation angle adjustment structure of a HUD mirror according to claim 3, characterized in that: A positioning block (91) is provided on the gusset plate (9), a positioning groove (14) is provided on the machine base (1), the positioning block (91) is inserted into the positioning groove (14), and the positioning block (91) is in contact with the inner side wall of the positioning groove (14).

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