CN111016797B

CN111016797B - Safe automobile rearview mirror

Info

Publication number: CN111016797B
Application number: CN202010057180.2A
Authority: CN
Inventors: 马美凤
Original assignee: Individual
Current assignee: Beijing Dadi Haitong Automotive Parts Factory
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2021-05-04
Anticipated expiration: 2040-01-19
Also published as: CN113232589A; CN113232590A; CN111016797A

Abstract

The invention belongs to the field of automobile rearview mirrors, and particularly relates to a safe automobile rearview mirror which comprises a mirror frame, a rotating part, a side cover, a rear cover, a mounting seat, a ring sleeve A, a ring sleeve B, a ring sleeve C, a sliding rod, a pressure spring, a ring sleeve D, a swinging plate, a driving unit, a lens, a swinging rod A, a ring sleeve E, a swinging rod B, a wire winding wheel, a pull rope, a volute spring C, a volute spring B and a volute spring A, wherein the mounting seat is mounted on an automobile door; a shaft D is arranged on the mounting seat, and a wire groove B which runs through two ends of the shaft D is butted with a wire groove A on the mounting seat; when the rod-shaped object is continuously moved to enable the side cover to be separated from the glasses frame and then separated from the glasses, the side cover is separated from the glasses frame and then the pull rope connected with the side cover is pulled out of the winding wheel; the side cover which is separated from the mirror frame under the action of the rod-shaped object effectively avoids the irreversible damage of the rod-shaped object which continues to move and is ready to be separated from the lens to the mirror frame which prevents the rod-shaped object from leaving, effectively protects the whole rearview mirror from being damaged, and further reduces the maintenance cost of a vehicle owner caused by vehicle maintenance.

Description

Safe automobile rearview mirror

Technical Field

The invention belongs to the field of automobile rearview mirrors, and particularly relates to a safe automobile rearview mirror.

Background

The traditional manual folding rearview mirror can only swing towards the recovery direction in the unfolded state, but cannot swing towards the forward direction of the vehicle; thus, the mirror frame is likely to be damaged when the mirror frame is subjected to a force in the traveling direction of the vehicle. If one end of a rod-shaped object collides with the mirror surface of the rearview mirror, the whole rearview mirror cannot easily swing to buffer the received impact, so that the rod-shaped object crushes the lens of the rearview mirror; continued movement of the rod-like object which breaks the lenses can also cause an unacceptable amount of damage to the mirror housing which prevents continued movement of the mirror, thereby increasing the cost of the vehicle owner to maintain the vehicle.

In view of the above-mentioned conventional manual rearview mirror, when the manual rearview mirror is wholly impacted or the mirror surface of the manual rearview mirror is impacted by a rod-shaped object, the manual rearview mirror cannot swing to absorb the impact, and it is necessary to design a rearview mirror that can effectively avoid damage caused by the impact.

The invention designs a safe automobile rearview mirror to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a safe automobile rearview mirror which is realized by adopting the following technical scheme.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

A safe automobile rearview mirror which is characterized in that: the automobile window frame comprises a window frame, a rotating part, a side cover, a rear cover, a mounting seat, a shaft D, a ring sleeve A, a thrust bearing B, a ring sleeve C, a slide bar, a pressure spring, a nut, a ring sleeve D, a swing plate, a shaft A, a driving unit, a chuck B, a lens, a swing rod A, a contact plate, a ring sleeve E, a swing rod B, a clamping hook, a wire winding wheel, a shaft A, a pull rope, a volute spring C, a volute spring B, a volute spring A, a clamping block B and a shaft B, wherein the mounting seat is mounted on; a shaft D is arranged on the mounting seat, and a wire groove B which runs through two ends of the shaft D is butted with a wire groove A on the mounting seat; one side of the spectacle frame is provided with a rotating part, a ring sleeve A is arranged in an installation groove in the rotating part, and the ring sleeve A is rotationally matched with the shaft D; a thrust bearing A is matched between the ring sleeve A and the mounting seat; the ring sleeve B matched with the ring sleeve A through the thrust bearing B is rotationally matched with the shaft D, and the ring sleeve B is positioned above the ring sleeve A; the ring sleeve C positioned above the ring sleeve B is arranged on the shaft D, and the ring sleeve C rotates synchronously with the shaft D; the upper end of the shaft D is in threaded fit with a nut for fixing the position of the ring sleeve C relative to the shaft D; round-head sliding rods are uniformly distributed in a plurality of sliding grooves on the lower end face of the ring sleeve C in the circumferential direction and slide along the axial direction of the shaft D, and a pressure spring for resetting the corresponding sliding rod is arranged in each sliding groove; the round end of the slide bar is matched with a plurality of limiting grooves which are uniformly distributed on the upper end surface of the ring sleeve B in the circumferential direction.

A ring sleeve D is rotatably matched at the middle part of a shaft A vertically arranged in the mirror frame, and a swinging plate is arranged on the ring sleeve D; the ring sleeve D is provided with a volute spiral spring A for rotationally resetting the ring sleeve D; a clamping block B is arranged on the ring sleeve D and matched with the clamping block A arranged on the shaft A; the tail end of the swinging plate is provided with a driving unit for adjusting the rear visual angle of the lens in the lens frame, and the driving unit is connected with the middle part of the back surface of the lens through a chuck B; the driving unit has a structure for buffering the impact on the edge of the lens surface.

A ring sleeve E is vertically arranged on a shaft B in the mirror frame in a rotating matching mode, and a swing rod A and a swing rod B are arranged on the ring sleeve E; a contact plate arranged at the tail end of the swing rod A is in contact fit with the swing plate; the tail end of the swing rod B is provided with a clamping hook matched with the synchronous groove A on the cylindrical surface of the ring sleeve A and the synchronous groove B on the cylindrical surface of the ring sleeve B; the ring sleeve E is provided with a volute spiral spring B for rotationally resetting the ring sleeve E; the part of the outer side of the spectacle frame, which is matched with the lenses, is provided with a gap, and a detachable side cover is arranged on the gap; the back of the mirror frame is provided with a back cover; a winding wheel is vertically arranged on a shaft C in the mirror frame in a rotating matching manner, and a volute spiral spring C for rotationally resetting the winding wheel is arranged on the winding wheel; the winding wheel is wound with a pull rope connected with the side cover.

As a further improvement of the technology, the inner wall of the ring sleeve D is provided with a ring groove A and a ring groove B; the clamping block A and the clamping block B are both positioned in the annular groove A; a positioning ring A is arranged on the shaft A and rotates along with the shaft A and is arranged in the ring groove B; the volute spiral spring A is positioned in the ring groove B; one end of the volute spiral spring A is connected with the positioning ring A, and the other end of the volute spiral spring A is connected with the inner wall of the annular groove B. The annular groove A provides accommodation space for the clamping block A and the clamping block B, installation space occupied by the clamping block A and the clamping block B on the shaft A and the ring sleeve D respectively is reduced, and the shaft A and the ring sleeve D are more compact in matching. The ring groove B provides a containing space for the scroll spring A, and reduces the installation space occupied by the scroll spring A on the shaft A.

As a further improvement of the technology, the driving unit comprises a motor driving mechanism, an arc-shaped rack mechanism, a swinging sleeve, a swinging pin and a chuck A, wherein the motor driving mechanism is arranged at the tail end of a swinging plate; the conical surface of the motor driving mechanism moves around the conical vertex of the conical surface and is provided with two arc-shaped rack mechanisms with mutually vertical moving planes; the motion plane of the arc-shaped rack mechanism passes through the central axis of the conical surface of the motor driving mechanism; two swing pins which are 90 degrees apart are installed at the edge of the chuck A which swings around the conical vertex of the motor driving mechanism, and the central axis of each swing pin is overlapped with the radius of the chuck A; the two arc-shaped rack mechanisms are respectively matched with the two swing pins in a rotating way through swing sleeves fixedly connected with the two arc-shaped rack mechanisms; the chuck A is connected with a chuck B mounted on the back surface of the lens.

The arc-shaped rack mechanism comprises an arc plate, an arc-shaped T-shaped guide groove, an arc-shaped toothed plate, an arc-shaped T-shaped guide block and a plate spring; an arc toothed plate matched with the motor driving mechanism is arranged on the inner arc surface of the arc plate in a sliding mode around the axis of the arc center of the arc plate, an arc T-shaped guide block is mounted on the arc toothed plate, and the arc T-shaped guide block slides in a house T-shaped guide groove in the inner arc surface of the arc plate; two plate springs for resetting the arc-shaped T-shaped guide block are symmetrically arranged in the arc-shaped T-shaped guide groove.

As a further improvement of the technology, the inner wall of the ring sleeve E is provided with a ring groove C; a positioning ring B is arranged on the shaft B and rotates in the ring groove C along with the shaft B; the volute spiral spring B is positioned in the annular groove C; one end of the volute spiral spring is connected with the positioning ring B, and the other end of the volute spiral spring is connected with the inner wall of the annular groove C. The ring groove C provides a containing space for the volute spiral spring B, reduces the installation space occupied by the volute spiral spring B on the shaft B, and enables the shaft B to be matched with the ring sleeve E more compactly.

As a further improvement of the technology, the inner wall of the wire winding wheel is provided with a ring groove D; a positioning ring C is arranged on the shaft C and rotates in the ring groove D along with the shaft C; the scroll spring C is positioned in the annular groove D; one end of the volute spiral spring is connected with the positioning ring C, and the other end of the volute spiral spring is connected with the inner wall of the annular groove D. The annular groove D provides accommodation space for the volute spiral spring C, reduces the installation space that it took up on axle C for axle C and kinking wheel's cooperation is compacter.

As a further improvement of the technology, the nut is matched with the ring sleeve C through a washer nested on the shaft D, so that the effective compression of the ring sleeve C by screwing the nut is ensured, and the relative position of the ring sleeve C and the shaft D is effectively fixed. The pressure spring is always in a compressed state; one end of the compression spring is connected with the corresponding sliding rod, and the other end of the compression spring is connected with the inner wall of the corresponding sliding groove.

Compared with the traditional manual automobile rearview mirror, when the whole mirror frame is acted by an external force in the same driving direction, the mirror frame drives the ring sleeve B to overcome the limitation that the ring sleeve B rotates relative to the shaft D due to the fact that the ring sleeve A and the clamping hook drive the ring sleeve B to slide in the sliding groove in the ring sleeve C and are matched with the limiting groove in the ring sleeve B, and therefore the mirror frame drives all parts mounted on the mirror frame to swing towards the driving direction under the action of the external force, the impact of the external force on the whole mirror frame is buffered, and the rearview mirror is effectively protected or the damage degree of the external force in the driving direction to the rearview mirror is effectively reduced. In addition, when the edge of the mirror surface of the unfolded rearview mirror is impacted by one end of a rod-shaped object, the mirror firstly drives a corresponding arc plate in the driving unit to slide relative to a corresponding arc toothed plate under the impact of the rod-shaped object, so that the mirror swings relative to the driving unit, and the first buffer for the impact of the rod-shaped object on the mirror surface is formed; when the relative motion of the corresponding arc plate and the arc toothed plate in the driving unit reaches the limit, the lens which continuously swings under the action of the rod-shaped object integrally drives the swing plate to overcome the prepressing elasticity of the volute spiral spring A to synchronously swing around the shaft A through the driving unit, the swing plate drives the swing rod A and the swing rod B to synchronously and rapidly swing around the shaft B through the contact plate which is in contact with the swing plate, and the clamping hook positioned at the tail end of the swing rod B is rapidly separated from the synchronous groove A on the ring sleeve A and the synchronous groove B on the ring sleeve B; because the restriction between the ring sleeve A and the ring sleeve B is removed, under the continuous action of the rod-shaped object, the lens drives the lens frame and the parts arranged in the lens frame to synchronously continuously swing through a series of transmissions, the continuous impact of the rod-shaped object on the lens is buffered to the maximum extent, and the lens is prevented from being broken under the impact of the rod-shaped object.

When the rod-shaped object is continuously moved to enable the side cover to be separated from the glasses frame and then separated from the glasses, the side cover is separated from the glasses frame and then the pull rope connected with the side cover is pulled out of the winding wheel; the side cover which is separated from the mirror frame under the action of the rod-shaped object effectively avoids the irreversible damage of the rod-shaped object which continues to move and is ready to be separated from the lens to the mirror frame which prevents the rod-shaped object from leaving, effectively protects the whole rearview mirror from being damaged, and further reduces the maintenance cost of a vehicle owner caused by vehicle maintenance. The invention has simple structure and better use effect.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic cross-sectional view of the invention from two general viewing angles.

Fig. 3 is a schematic cross-sectional view of the coiler in two views in conjunction with the axis a.

FIG. 4 is a cross-sectional view of the mounting seat, shaft D, collar A, collar B, collar C, and nut.

FIG. 5 is a cross-sectional view of the shaft B, the positioning ring B, the volute spring B, the ring E, the hook, the ring A and the ring B.

FIG. 6 is a schematic cross-sectional view of the swing link A, the loop E and the swing link B.

Fig. 7 is a schematic cross-sectional view of a ring sleeve D in three views with axis a.

Fig. 8 is a cross-sectional view of the ring sleeve D and the swing plate.

Fig. 9 is a cross-sectional schematic view of the frame and its components.

Fig. 10 is a side cover schematic.

Fig. 11 is a schematic sectional view of a drive unit and the same.

Fig. 12 is a cross-sectional schematic view of an arcuate rack mechanism and its two views.

FIG. 13 is a schematic cross-sectional view of the ring sleeve A, thrust bearing B and ring sleeve B.

Fig. 14 is a schematic sectional view of the shaft D.

Figure 15 is a schematic view of cuff C.

Number designation in the figures: 1. a mirror frame; 2. a rotating part; 3. mounting grooves; 4. a notch; 5. a side cover; 6. a rear cover; 7. a mounting seat; 8. a wire groove A; 9. a shaft D; 10. a wire groove B; 11. a ring sleeve A; 12. a synchronization slot A; 13. a thrust bearing A; 14. a thrust bearing B; 15. a ring sleeve B; 16. a synchronization slot B; 17. a limiting groove; 18. c, sleeving a ring sleeve; 19. a chute; 20. a slide bar; 21. a pressure spring; 22. a nut; 23. a gasket; 24. a ring sleeve D; 25. a ring groove A; 26. a ring groove B; 27. a swinging plate; 28. an axis A; 29. a drive unit; 30. a motor drive mechanism; 31. an arc-shaped rack mechanism; 32. an arc plate; 33. an arc T-shaped guide groove; 34. an arc toothed plate; 35. an arc T-shaped guide block; 36. a plate spring; 37. arranging a sleeve; 38. swinging pin; 39. a chuck A; 40. a chuck B; 41. a lens; 42. a swing rod A; 43. a contact plate; 44. a loop E; 45. a ring groove C; 46. a swing rod B; 47. a hook; 48. winding the wire wheel; 49. a ring groove D; 50. an axis C; 51. a positioning ring C; 52. pulling a rope; 53. a volute spiral spring C; 54. a volute spiral spring B; 55. a positioning ring B; 56. a positioning ring A; 57. a volute spiral spring A; 58. a clamping block A; 59. a clamping block B; 60. and an axis B.

Detailed Description

The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.

As shown in fig. 1 and 2, it includes a frame 1, a rotating part 2, a side cover 5, a rear cover 6, a mounting seat 7, a shaft D9, a ring sleeve a11, a thrust bearing a13, a thrust bearing B14, a ring sleeve B15, a ring sleeve C18, a slide bar 20, a pressure spring 21, a nut 22, a ring sleeve D24, a wobble plate 27, a shaft a28, a driving unit 29, a chuck B40, a lens 41, a wobble bar a42, a contact plate 43, a ring sleeve E44, a wobble bar B46, a hook 47, a coiler 48, a shaft a28, a pulling rope 52, a volute spring C53, a volute spring B54, a volute spring a57, a block a58, a block B59, and a shaft B60, wherein as shown in fig. 4, the mounting seat 7 is mounted on a vehicle door; the mounting seat 7 is provided with a shaft D9; as shown in fig. 4 and 14, a wire slot B10 penetrating through two ends of the shaft D9 is butted with a wire slot a8 on the mounting seat 7; as shown in fig. 1, 4 and 9, the frame 1 has a rotary part 2 on one side, a ring A11 is mounted in a mounting groove 3 in the rotary part 2, and the ring A11 is rotatably matched with a shaft D9; a thrust bearing A13 is matched between the ring sleeve A11 and the mounting seat 7; a ring sleeve B15 matched with a ring sleeve A11 through a thrust bearing B14 is rotationally matched with the shaft D9, and the ring sleeve B15 is positioned above the ring sleeve A11; as shown in fig. 4, 14, 15, ring C18, located above ring B15, is mounted on shaft D9, ring C18 rotating synchronously with shaft D9; as shown in FIG. 4, the upper end of shaft D9 is threadedly engaged with nut 22 which secures collar C18 in position relative to shaft D9; as shown in fig. 4 and 15, round-head sliding rods 20 are respectively arranged in a plurality of sliding grooves 19 which are uniformly distributed in the circumferential direction on the lower end surface of the ring sleeve C18 and slide along the axial direction of the shaft D9, and a pressure spring 21 for resetting the corresponding sliding rod 20 is arranged in each sliding groove 19; as shown in fig. 4 and 13, the rounded end of the sliding rod 20 is engaged with a plurality of limiting grooves 17 uniformly distributed on the upper end surface of the ring sleeve B15 in the circumferential direction.

As shown in fig. 2, 7 and 8, a ring sleeve D24 is rotatably fitted in the middle of a shaft a28 vertically installed in the mirror frame 1, and a swing plate 27 is installed on the ring sleeve D24; a volute sleeve D24 is provided with a scroll spring A57 for resetting the rotation of the volute sleeve D24; a fixture block B59 is arranged on the ring sleeve D24, and a fixture block B59 is matched with a fixture block A58 arranged on the shaft A28; as shown in fig. 2, the driving unit 29 for adjusting the rear view angle of the lens 41 in the frame 1 is mounted at the end of the swinging plate 27, and the driving unit 29 is connected with the middle of the back surface of the lens 41 through a chuck B40; the driving unit 29 has a structure for buffering the impact on the edge of the mirror surface of the lens 41.

As shown in fig. 2, 5 and 6, a ring sleeve E44 is rotatably fitted on a shaft B60 vertically installed in the glasses frame 1, and a swing rod a42 and a swing rod B46 are installed on the ring sleeve E44; the contact plate 43 arranged at the tail end of the swing rod A42 is in contact fit with the swing plate 27; as shown in fig. 5, 6 and 13, the end of the swing rod B46 has a hook 47 which is matched with a synchronous groove a12 on the cylindrical surface of the ring sleeve a11 and a synchronous groove B16 on the cylindrical surface of the ring sleeve B15; as shown in fig. 5, a spiral spring B54 for restoring the rotation thereof is installed on the ring housing E44; as shown in fig. 9, the outer side of the frame 1 is provided with a notch 4 at the matching part with the lens 41; as shown in fig. 1, 2 and 10, a detachable side cover 5 is arranged on the notch 4; as shown in fig. 1 and 2, a back cover 6 is mounted on the back of the spectacle frame 1; as shown in fig. 2 and 3, a coiler 48 is rotatably fitted on a shaft C50 vertically installed in the mirror frame 1, and a scroll spring C53 for rotationally returning the coiler 48 is installed on the coiler 48; the capstan 48 is wound with a pull cord 52 connected to the side cover 5.

As shown in fig. 8, the inner wall of the ring sleeve D24 is provided with a groove a25 and a groove B26; as shown in fig. 7, the clip a58 and the clip B59 are both located in the annular groove a 25; a positioning ring A56 is arranged on the shaft A28, and a positioning ring A56 rotates along with the shaft A28 and is arranged in a ring groove B26; scroll spring A57 is located in groove B26; one end of scroll spring A57 is connected to positioning ring A56, and the other end is connected to the inner wall of ring groove B26. The ring groove A25 provides accommodating space for the fixture block A58 and the fixture block B59, and reduces the installation space occupied by the fixture block A58 and the fixture block B59 on the shaft A28 and the ring sleeve D24 respectively, so that the matching of the shaft A28 and the ring sleeve D24 is more compact. Groove B26 provides a receiving space for wrap spring A57, reducing the mounting space occupied by wrap spring A57 on shaft A28.

As shown in fig. 11, the driving unit 29 includes a motor driving mechanism 30, an arc-shaped rack mechanism 31, a swinging sleeve 37, a swinging pin 38, and a chuck a39, wherein the motor driving mechanism 30 is mounted at the end of the swinging plate 27 as shown in fig. 11; the conical surface of the motor driving mechanism 30 moves around the conical vertex thereof and is provided with two arc-shaped rack mechanisms 31 with mutually vertical moving planes; the movement plane of the arc-shaped rack mechanism 31 passes through the central axis of the conical surface of the motor driving mechanism 30; two swing pins 38 which are 90 degrees apart are installed at the edge of the chuck A39 which swings around the conical vertex of the motor driving mechanism 30, and the central axis of each swing pin 38 is coincided with the radius of the chuck A39; the two arc-shaped rack mechanisms 31 are respectively matched with the two swing pins 38 in a rotating way through swing sleeves 37 fixedly connected with the two arc-shaped rack mechanisms; chuck a39 is connected to chuck B40 which is mounted on the back of lens 41.

As shown in fig. 12, the arc-shaped rack mechanism 31 includes an arc plate 32, an arc-shaped T-shaped guide groove 33, an arc-shaped toothed plate 34, an arc-shaped T-shaped guide block 35, and a plate spring 36; an arc-shaped toothed plate 34 matched with the motor driving mechanism 30 is arranged on the inner arc surface of the arc plate 32 in a sliding mode around the axis of the arc center of the arc plate, an arc-shaped T-shaped guide block 35 is installed on the arc-shaped toothed plate 34, and the arc-shaped T-shaped guide block 35 slides in a house-shaped T-shaped guide groove in the inner arc surface of the arc plate 32; two plate springs 36 for resetting the arc T-shaped guide block 35 are symmetrically arranged in the arc T-shaped guide groove 33.

As shown in fig. 6, the inner wall of the ring-shaped sleeve E44 is provided with a ring groove C45; as shown in FIG. 5, a retaining ring B55 is mounted on the shaft B60, and a retaining ring B55 rotates with the shaft B60 in a ring groove C45; scroll spring B54 is located in groove C45; one end of the spiral spring is connected with a positioning ring B55, and the other end is connected with the inner wall of the ring groove C45. The annular groove C45 provides accommodation space for the wrap spring B54, reducing the installation space it occupies on the shaft B60, making the fit of the shaft B60 and the collar E44 more compact.

As shown in fig. 3, the inner wall of the coiler 48 is provided with a ring groove D49; a positioning ring C51 is arranged on the shaft C50, and the positioning ring C51 rotates along with the shaft C50 in the ring groove D49; scroll spring C53 is located in groove D49; one end of the spiral spring is connected with a positioning ring C51, and the other end is connected with the inner wall of the annular groove D49. The annular groove D49 provides accommodation space for the spiral spring C53, reducing the installation space occupied by the spiral spring on the shaft C50, and making the fit of the shaft C50 and the coiler 48 more compact.

As shown in fig. 4, the nut 22 is engaged with the ring C18 by a washer 23 nested on the shaft D9 to ensure that tightening the nut 22 effectively compresses the ring C18, so that the ring C18 is effectively fixed relative to the shaft D9. The pressure spring 21 is always in a compressed state; one end of the compression spring is connected with the corresponding slide bar 20, and the other end is connected with the inner wall of the corresponding sliding groove 19.

The invention relates to a method for adjusting the rearview angle of a rearview mirror 41 by a driving unit 29, which is based on the adjustment method of the rearview mirror rearview angle by a published electric mirror 41 adjusting device with the patent number of 2016101400848, and improves an arc rack which is used for driving two swing shaft sleeves with the axes forming 90 degrees in the electric mirror 41 adjusting device with the patent number of 2016101400848 so as to realize the swing of the mirror 41.

The wire groove A8 and the wire groove B10 provide a path for connecting wires for connecting a control system in an automobile and the driving unit 29 in the mirror frame 1, and the wires are prevented from being exposed.

The working process of the invention is as follows: the unfolding state of the invention is taken as the initial state, the volute spiral spring A57 is in a pre-compression energy storage state, the clamping block A58 is in contact with the clamping block B59, so that the swinging plate 27 is prevented from driving the lens 41 to swing under the action of the pre-compressed volute spiral spring A57 through the driving unit 29 and the clamping disc B40, and the relative position of the lens 41 and the glasses frame 1 with the adjusted back viewing angle is ensured to be unchanged. The round head ends of a plurality of sliding rods 20 on the ring sleeve C18 are respectively positioned in corresponding limiting grooves 17 on the ring sleeve B15; the hook 47 on the swing rod B46 is simultaneously embedded into the synchronous groove A12 on the cylindrical surface of the ring sleeve A11 and the synchronous groove B16 on the cylindrical surface of the ring sleeve B15; scroll spring B54 is in a pre-compressed energy storage state; the side cover 5 is arranged at the notch 4 of the spectacle frame 1; the scroll spring C53 is in a compression energy storage state, and the pull rope 52 wound on the coiler 48 is in a tightening state; the pressure spring 21 is in a pre-compression energy storage state; the swing plate 27 is in contact with the contact plate 43 mounted on the swing lever a 42.

When the foldable glasses need to be folded and recovered, the shell part of the foldable glasses comprises the glasses frame 1, the side cover 5 and the rear cover 6 and swings towards the folding and recovering direction by using large force manually, and the glasses frame 1 integrally drives the ring sleeve B15 to rotate around the shaft D9 towards the folding and recovering direction of the foldable glasses under the manual action of the ring sleeve A11 and the clamping hook 47 in sequence; the rotating ring sleeve B15 overcomes the pressure of a plurality of pressure springs 21 in the ring sleeve C18 on the corresponding slide bar 20, so that the round ends of a plurality of slide bars 20 contract towards the corresponding slide groove 19 under the action of the edge of the limiting groove 17 and the limitation on the rotation of the ring sleeve B15 relative to the shaft D9 is rapidly released, and a plurality of pressure springs 21 are further compressed to store energy at the same time; when the sliding rods 20 are completely separated from the corresponding limiting grooves 17, the contraction amount of the pressure springs 21 reaches the maximum, the ring sleeve B15 is not limited by the sliding rods 20 any more and rotates relative to the shaft D9, and therefore the whole glasses frame 1 and all parts mounted on the glasses frame 1 synchronously swing around the shaft D9 in the folding and recovering direction, and the recovering and folding of the invention are realized. In the process that the ring sleeve B15 rotates relative to the ring sleeve C18, the sliding rods 20 reciprocate under the combined action of the corresponding pressure springs 21 and the ring sleeve B15, and the sliding rods 20 sequentially enter and exit the limiting groove 17 in the ring sleeve B15 in the circumferential direction and collide with the inner wall of the limiting groove 17 to generate 'click' sound. When the frame 1 is folded to a proper position, under the reset action of the pressure springs 21, the round ends of the sliding rods 20 enter the corresponding limiting grooves 17 at the same time and fix the relative position of the ring sleeve B15 relative to the shaft D9 again, so that the frame 1 is prevented from swinging back in the unfolding direction under the unconstrained condition after being folded, and the folding from the unfolding state is completed.

When the foldable glasses in a folded state need to be unfolded, the parts of the outer shell, including the glasses frame 1, the side covers 5 and the rear cover 6, of the glasses in the invention are swung towards the unfolding direction by large force manually, and the glasses frame 1 is driven by the whole glasses frame to rotate around the shaft D9 towards the unfolding direction of the glasses in sequence through the ring sleeve A11 and the clamping hook 47 under the manual action; the rotating ring sleeve B15 overcomes the pressure of a plurality of pressure springs 21 in the ring sleeve C18 on the corresponding slide bar 20, so that the round ends of a plurality of slide bars 20 contract towards the corresponding slide groove 19 under the action of the edge of the limiting groove 17 and the limitation on the rotation of the ring sleeve B15 relative to the shaft D9 is rapidly released, and a plurality of pressure springs 21 are further compressed to store energy at the same time; when the sliding rods 20 are completely separated from the corresponding limiting grooves 17, the contraction amount of the pressure springs 21 reaches the maximum, the ring sleeve B15 is not limited by the sliding rods 20 and rotates relative to the shaft D9, and therefore the whole glasses frame 1 and all parts installed on the glasses frame 1 synchronously swing around the shaft D9 to the unfolding direction, and therefore the unfolding of the glasses frame is achieved. In the process that the ring sleeve B15 rotates relative to the ring sleeve C18, the sliding rods 20 reciprocate under the combined action of the corresponding pressure springs 21 and the ring sleeve B15, and the sliding rods 20 sequentially enter and exit the limiting groove 17 in the ring sleeve B15 in the circumferential direction and collide with the inner wall of the limiting groove 17 to generate 'click' sound. When the spectacle frame 1 is unfolded to a proper position, under the reset action of the pressure springs 21, the round-head ends of the sliding rods 20 simultaneously enter the corresponding limiting grooves 17 and fix the relative position of the ring sleeve B15 relative to the shaft D9 again, so that the spectacle frame 1 is prevented from swinging back in the folding direction under the unconstrained condition after being unfolded, and the unfolding of the spectacle frame is completed.

When the whole shell part of the invention is impacted in the reversing direction, the operation flow is completely the same as the operation flow of the manual folding and recovering. When the whole shell part of the invention is impacted by the driving direction, the operation flow is completely the same as the operation flow of the manual expansion. When the whole shell part of the invention is impacted in the driving direction or the reversing direction, the self-adaptive swing of the invention can effectively buffer the impact, thereby avoiding the damage of the whole shell part of the invention caused by violent impact.

When the outer edge of the lens 41 in the unfolded state of the present invention is impacted by one end of a rod-shaped object, the lens 41 will drive one arc plate 32 in the driving unit 29 to swing around the swing pin 38 where the other arc plate 32 is located relative to the corresponding arc toothed plate 34 through the chuck B40 and the chuck a39, the swinging arc plate 32 and the corresponding arc toothed plate 34 slide relative to each other, and the two corresponding leaf springs 36 deform to store energy, so that the lens 41 swings relative to the swing plate 27, and a primary buffer is formed to the impact of one end of the rod-shaped object on the mirror surface to a certain extent; when the oscillation of the lens 41 with respect to the oscillating bar reaches a limit, the movement inside the driving unit 29 is stopped; under the continuous action of the rod-shaped object, the lens 41 drives the ring sleeve D24 to swing around the shaft A28 in a self-adaptive manner through the chuck B40, the driving unit 29 and the swing plate 27, the ring sleeve D24 drives the fixture A58 to separate from the fixture B59, the volute spiral spring A57 is further compressed to store energy, and the lens 41 drives the mirror frame 1 to swing around the central axis of the shaft D9 in the same direction through the driving unit 29, the swing plate 27, the ring sleeve D24, the volute spiral spring A57 and the shaft A28; meanwhile, the swing plate 27 drives the ring sleeve E44 to rotate around the shaft B60 through the contact plate 43 and the swing rod A42, the ring sleeve E44 drives the hook 47 to quickly break away from the synchronous groove A12 on the ring sleeve A11 and the synchronous groove B16 on the ring sleeve B15 through the swing rod B46, and the limitation of the ring sleeve A11 to the rotation of the ring sleeve B15 is removed; because the ring sleeve A11 is matched with the ring sleeve B15 through the thrust bearing B14, and the ring sleeve A11 is matched with the mounting seat 7 through the thrust bearing A13, the lens 41 drives the ring sleeve A11 to swing around the shaft D9 in the same direction relative to the ring sleeve B15 and the mounting seat 7 through the chuck B40, the driving unit 29, the swing plate 27, the ring sleeve D24, the volute spring A57, the shaft A28 and the spectacle frame 1, and the whole swing of the spectacle frame 1 effectively forms uninterrupted secondary buffering for the impact of one end of the rod-shaped object to the lens 41, and effectively prevents the outer edge of the lens 41 from being cracked under the impact of one end of the rod-shaped object.

When one end of the rod-shaped object which continues to move reaches the junction of the lens 41 and the side cover 5 along the swinging lens 41, the rod-shaped object pushes the side cover 5 away from the spectacle frame 1, so that one end of the rod-shaped object is quickly separated from the lens 41 and leaves, and the spectacle frame 1 is effectively prevented from being damaged by the rod-shaped object due to the blocking of the edge of the spectacle frame 1 when the rod-shaped object which continues to move reaches the edge of the spectacle frame 1; the pulling rope 52 is pulled out from the winding wheel 48 to buffer under the action of a rod-shaped object by separating from the side cover 5 of the mirror frame 1, the winding wheel 48 rotates under the action of the pulling rope 52 and releases the pulling rope 52, and the scroll spring C53 is further compressed to store energy; when the rod-shaped object is separated from the side cover 5, the winding wheel 48 returns the winding pull rope 52 under the reset action of the scroll spring C53 and pulls back the side cover 5 through the pull rope 52; in the whole process, the lens 41, the side cover 5 and the spectacle frame 1 are not damaged, and the side cover 5 separated from the spectacle frame 1 is buckled on the spectacle frame 1 again after the discovery of a vehicle owner.

After the rod-shaped object is separated from the lens 41, the lens 41 is instantaneously reset relative to the oscillating plate 27 and the driving unit 29 under the action of the two plate springs 36 deformed in the driving unit 29; under the reset action of the volute spring A57, the ring sleeve D24 drives the lens 41 to reset instantaneously relative to the glasses frame 1 through the swinging plate 27, the driving unit 29 and the chuck B40, the fixture block A58 is contacted with the fixture block B59 again, and the swinging plate 27 is separated from the contact temporarily; under the action of a further deformed volute spring B54, the hook 47 is in pressing contact with the cylindrical surface of the ring sleeve B15, and the swing rod A42 and the swing rod B46 cannot automatically and completely reset under the blocking of the cylindrical surface of the ring sleeve B15; after the vehicle owner finds the vehicle, the mirror frame 1 is manually broken back to the unfolding state of the invention; in the process of snapping back the frame 1, the spiral spring B54 gradually releases energy and finally returns to the initial state, the hook 47 gradually approaches the synchronization groove B16 along the cylindrical surface of the ring sleeve B15 and finally enters the synchronization groove a12 and the synchronization groove B16 under the reset action of the spiral spring B54.

In conclusion, the beneficial effects of the invention are as follows: when the whole spectacle frame 1 is subjected to the external force action in the same driving direction, the spectacle frame 1 drives the ring sleeve B15 through the ring sleeve A11 and the hook 47 to overcome the limitation that the ring sleeve B15 rotates relative to the shaft D9 by sliding in the sliding groove 19 on the ring sleeve C18 and matching with the limiting groove 17 on the ring sleeve B15, so that the spectacle frame 1 drives all parts arranged on the spectacle frame to swing towards the driving direction under the action of the external force, the impact of the external force on the whole spectacle frame 1 is buffered, and the rearview mirror is effectively protected or the damage degree of the external force in the driving direction to the rearview mirror is effectively reduced. In addition, when the edge of the mirror surface of the mirror 41 of the unfolded rearview mirror is impacted by one end of the rod-shaped object, the mirror 41 first drives the corresponding arc plate 32 in the driving unit 29 to slide relative to the corresponding arc toothed plate 34 under the impact of the rod-shaped object, so that the mirror 41 swings relative to the driving unit 29, and thus, a first buffer for the impact of the rod-shaped object on the mirror surface is formed; when the relative movement between the corresponding arc plate 32 and the arc toothed plate 34 in the driving unit 29 reaches the limit, the lens 41 continuously swinging under the action of the rod-shaped object integrally drives the swing plate 27 to synchronously swing around the shaft a28 by overcoming the pre-pressing elasticity of the volute spiral spring a57 through the driving unit 29, the swing plate 27 drives the swing rod a42 and the swing rod B46 to synchronously and rapidly swing around the shaft B60 through the contact plate 43 in contact with the swing plate, and the hook 47 at the tail end of the swing rod B46 is rapidly separated from the synchronization groove a12 on the ring sleeve a11 and the synchronization groove B16 on the ring sleeve B15; because the restriction between the ring sleeve A11 and the ring sleeve B15 is released, under the continuous action of the rod-shaped object, the lens 41 drives the frame 1 and the components arranged in the frame 1 to synchronously swing continuously through a series of transmissions, the continuous impact of the rod-shaped object on the lens 41 is buffered to the maximum extent, and the lens 41 is prevented from being broken under the impact of the rod-shaped object.

When the rod-shaped object is continuously moved to bring the side cover 5 away from the glasses frame 1, the side cover 5 is separated from the glasses frame 1 and then the pull rope 52 connected with the side cover is pulled out of the winding wheel 48; the side cover 5 which is separated from the mirror frame 1 under the action of the rod-shaped object effectively avoids the irreversible damage of the rod-shaped object which continues to move and is ready to be separated from the lens 41 to the mirror frame 1 which prevents the rod-shaped object from leaving, effectively protects the whole rearview mirror from being damaged, and further reduces the maintenance cost of a vehicle owner caused by vehicle maintenance.

Claims

1. A safe automobile rearview mirror which is characterized in that: the automobile window frame comprises a window frame, a rotating part, a side cover, a rear cover, a mounting seat, a ring sleeve A, a thrust bearing B, a ring sleeve C, a sliding rod, a pressure spring, a nut, a ring sleeve D, a swing plate, a driving unit, a chuck B, a lens, a swing rod A, a contact plate, a ring sleeve E, a swing rod B, a clamping hook, a winding wheel, a pull rope, a volute spring C, a volute spring B, a volute spring A, a fixture block A and a fixture block B, wherein the mounting seat is mounted on an automobile door; a shaft D is arranged on the mounting seat, and a wire groove B which runs through two ends of the shaft D is butted with a wire groove A on the mounting seat; one side of the spectacle frame is provided with a rotating part, a ring sleeve A is arranged in an installation groove in the rotating part, and the ring sleeve A is rotationally matched with the shaft D; a thrust bearing A is matched between the ring sleeve A and the mounting seat; the ring sleeve B matched with the ring sleeve A through the thrust bearing B is rotationally matched with the shaft D, and the ring sleeve B is positioned above the ring sleeve A; the ring sleeve C positioned above the ring sleeve B is arranged on the shaft D, and the ring sleeve C rotates synchronously with the shaft D; the upper end of the shaft D is in threaded fit with a nut for fixing the position of the ring sleeve C relative to the shaft D; round-head sliding rods are uniformly distributed in a plurality of sliding grooves on the lower end face of the ring sleeve C in the circumferential direction and slide along the axial direction of the shaft D, and a pressure spring for resetting the corresponding sliding rod is arranged in each sliding groove; the round end of the slide bar is matched with a plurality of limiting grooves which are uniformly distributed on the upper end surface of the ring sleeve B in the circumferential direction;

a ring sleeve D is rotatably matched at the middle part of a shaft A vertically arranged in the mirror frame, and a swinging plate is arranged on the ring sleeve D; the ring sleeve D is provided with a volute spiral spring A for rotationally resetting the ring sleeve D; a clamping block B is arranged on the ring sleeve D and matched with the clamping block A arranged on the shaft A; the tail end of the swinging plate is provided with a driving unit for adjusting the rear visual angle of the lens in the lens frame, and the driving unit is connected with the middle part of the back surface of the lens through a chuck B; the driving unit is provided with a structure for buffering the impact on the edge of the mirror surface of the lens;

2. A safety rearview mirror for an automobile as claimed in claim 1, wherein: the inner wall of the ring sleeve D is provided with a ring groove A and a ring groove B; the clamping block A and the clamping block B are both positioned in the annular groove A; a positioning ring A is arranged on the shaft A and rotates along with the shaft A and is arranged in the ring groove B; the volute spiral spring A is positioned in the ring groove B; one end of the volute spiral spring A is connected with the positioning ring A, and the other end of the volute spiral spring A is connected with the inner wall of the annular groove B.

3. A safety rearview mirror for an automobile as claimed in claim 1, wherein: the driving unit comprises a motor driving mechanism, an arc-shaped rack mechanism, a swinging sleeve, a swinging pin and a chuck A, wherein the motor driving mechanism is arranged at the tail end of the swinging plate; the conical surface of the motor driving mechanism moves around the conical vertex of the conical surface and is provided with two arc-shaped rack mechanisms with mutually vertical moving planes; the motion plane of the arc-shaped rack mechanism passes through the central axis of the conical surface of the motor driving mechanism; two swing pins which are 90 degrees apart are installed at the edge of the chuck A which swings around the conical vertex of the motor driving mechanism, and the central axis of each swing pin is overlapped with the radius of the chuck A; the two arc-shaped rack mechanisms are respectively matched with the two swing pins in a rotating way through swing sleeves fixedly connected with the two arc-shaped rack mechanisms; the chuck A is connected with a chuck B arranged on the back surface of the lens;

4. A safety rearview mirror for an automobile as claimed in claim 1, wherein: the inner wall of the ring sleeve E is provided with a ring groove C; a positioning ring B is arranged on the shaft B and rotates in the ring groove C along with the shaft B; the volute spiral spring B is positioned in the annular groove C; one end of the volute spiral spring is connected with the positioning ring B, and the other end of the volute spiral spring is connected with the inner wall of the annular groove C.

5. A safety rearview mirror for an automobile as claimed in claim 1, wherein: the inner wall of the wire winding wheel is provided with a ring groove D; a positioning ring C is arranged on the shaft C and rotates in the ring groove D along with the shaft C; the scroll spring C is positioned in the annular groove D; one end of the volute spiral spring is connected with the positioning ring C, and the other end of the volute spiral spring is connected with the inner wall of the annular groove D.

6. A safety rearview mirror for an automobile as claimed in claim 1, wherein: the nut is matched with the ring sleeve C through a washer nested on the shaft D; the pressure spring is always in a compressed state; one end of the compression spring is connected with the corresponding sliding rod, and the other end of the compression spring is connected with the inner wall of the corresponding sliding groove.