CN214822931U - Gear for automobile rearview mirror - Google Patents
Gear for automobile rearview mirror Download PDFInfo
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- CN214822931U CN214822931U CN202121358328.2U CN202121358328U CN214822931U CN 214822931 U CN214822931 U CN 214822931U CN 202121358328 U CN202121358328 U CN 202121358328U CN 214822931 U CN214822931 U CN 214822931U
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- rotating rod
- fixedly connected
- rotating
- rearview mirror
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Abstract
The utility model provides a gear for an automobile rearview mirror, belonging to the technical field of automobile accessories, which comprises a shell; the side end of the connecting plate is fixedly connected with a rearview mirror; the driving mechanism is connected with the connecting plate to realize rotation of the connecting plate; and a self-locking mechanism; this device can the accurate direction of adjusting the rear-view mirror, not only convenient operation can make the driver can easily rotate heavier rear-view mirror through reducing the moment of torsion moreover, this device has still added two-way locking function in addition, the rear-view mirror can be fixed to die and can not take place to rotate because of external force is passive at the current position when not initiatively untiing the locking, make driver's the field of vision very stable, reduce the risk that the incident takes place, when needs adjustment field of vision, also only need just can untie forward or reverse locking respectively through the cooperation of first in command and two second in command, make the rear-view mirror can the free adjustment direction.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, concretely relates to gear for automobile rearview mirror.
Background
The automobile rearview mirrors are positioned on the left side and the right side of the head of an automobile and in front of the inside of the automobile, and are important automobile accessories. The automobile rearview mirror can reflect the conditions of the rear, the side and the lower part of the automobile, so that a driver can indirectly see the road conditions of the positions, the visual field range of the driver is expanded, and the auxiliary safety driving function is realized. The automobile rearview mirror needs to be connected with an automobile body through a gear structure, so that the automobile rearview mirror can adjust the direction to change and expand the visual field range along with road conditions.
The gear structure for the current automobile rearview mirror because the weight operation of rear-view mirror self is very inconvenient when adjusting the rear-view mirror direction, and the precision of adjustment direction is also not enough, can't realize freely adjusting according to the user's demand accurately, and current device's auto-lock nature is also relatively poor, and the rear-view mirror is because external force takes place passively to rotate easily, leads to the risk improvement that the incident appears.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gear for automobile rearview mirror, it is inconvenient to aim at the operation of solving among the prior art, and the precision of adjustment direction is not enough, can't realize freely adjusting according to the user's demand accurately, and the auto-lock nature of current device is also relatively poor problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a gear for an automobile rearview mirror, comprising:
a housing;
the side end of the connecting plate is fixedly connected with a rearview mirror;
the driving mechanism is connected with the connecting plate to realize rotation of the connecting plate, the driving mechanism comprises a first rotating rod, a first gear, a toothed belt, a second gear and a second rotating rod, the first rotating rod and the second rotating rod are rotatably connected to the lower inner wall of the shell, the upper ends of the first rotating rod and the second rotating rod movably penetrate through the upper end of the shell and extend upwards, the connecting plate is fixedly connected to the upper end of the second rotating rod, the first gear and the second gear are respectively and fixedly connected to the circumference surfaces of the first rotating rod and the second rotating rod, and the toothed belt is in transmission engagement with the circumference surfaces of the first rotating rod and the second gear; and
self-locking mechanism, self-locking mechanism includes two ratchets, two pawls, drive disk assembly and unblock part, two the both sides of first bull stick are located respectively to ratchet and two pawls with two ratchet intermittent type meshing respectively, and the direction of the tooth of two pawls and two ratchets is all opposite, thereby drive disk assembly and two ratchets are all connected and are played the locking effect in order to realize its rotation of being connected first bull stick with first bull stick and make it can neither corotation nor reversal, unblock part and two pawls are all connected and can free rotation in order to realize that unblock function makes first bull stick.
As a preferable proposal of the utility model, the transmission part comprises a fourth gear, two third rotating rods, two third gears, two fourth rotating rods and a plurality of springs, wherein, the two third rotating rods are respectively and rotationally connected between the two side inner walls of the shell, the two third gears and two ratchets are respectively and fixedly connected with the circumferential surfaces of the two third rotating rods, the fourth gear is fixedly connected with the circumferential surface of the first rotating rod, and the fourth gear is engaged with the two third gears, two fourth rotating rods are rotatably connected between the two side inner walls of the shell, two pawls are fixedly connected to the circumferential surfaces of the two fourth rotating rods respectively, one ends of the springs are fixedly connected to the two side inner walls of the shell respectively, the other ends of the springs are fixedly connected to the circumferential surfaces of the two fourth rotating rods respectively, and the springs are sleeved on the circumferential surfaces of the two fourth rotating rods respectively.
As an optimized scheme of the utility model, the unblock part includes two elliptical grooves and two pull rods, two the side of casing is all seted up in the elliptical groove, two the pull rod is fixed connection respectively in the circumferential surface of two fourth bull sticks, and two pull rods sliding connection respectively in two elliptical grooves.
As a preferred scheme, the ring channel has been seted up to the upper end of casing, the lower extreme fixedly connected with annular stopper of connecting plate, and annular stopper rotate to be connected in the ring channel.
As an optimized scheme of the utility model, the circumference fixed surface of first bull stick is connected with the first in command, two the equal fixedly connected with second in command of side of pull rod.
As a preferred aspect of the present invention, the diameter and the number of teeth of the first gear are smaller than the diameter and the number of teeth of the second gear.
As an optimized scheme, two equal fixedly connected with fixed plates in side of casing, two all set up threaded hole on the fixed plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in this scheme, the driver can drive the rear-view mirror through the first in command at the car internal rotation, can rotate adjustment direction of vision under the transmission of first gear, toothed belt and second gear, and not only the precision is very high, and angle of adjustment is very accurate, has reduced the moment of torsion moreover through the number of teeth change between first gear and the second gear and has made the driver can just drive heavier rear-view mirror with less strength of force.
2. In this scheme, two pawls and two ratchet wheels opposite in direction that are equipped with can be so that the position of rear-view mirror is fixed, neither can corotation nor can the reversal, and the unlocking part that is equipped with then can make two pawls break away from with two ratchet wheels respectively and make first bull stick can rotate to realize reinforcing means's auto-lock nature.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an exploded view of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a partial exploded view of the middle toothed belt of the present invention.
In the figure: 1. a housing; 101. an elliptical slot; 102. an annular groove; 103. a fixing plate; 2. an annular stop block; 201. a connecting plate; 202. a rear view mirror; 3. a first rotating lever; 301. a first gear; 302. a toothed belt; 303. a second gear; 304. a second rotating rod; 305. a first handle; 4. a third rotating rod; 401. a third gear; 402. a fourth gear; 403. a ratchet wheel; 404. a pawl; 405. a fourth rotating rod; 406. a spring; 407. a pull rod; 408. a second handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions:
a gear for an automobile rearview mirror, comprising:
a housing 1;
a rear view mirror 202 is fixedly connected to the side end of the connecting plate 201;
the driving mechanism is connected with the connecting plate 201 to realize rotation of the connecting plate, the driving mechanism comprises a first rotating rod 3, a first gear 301, a toothed belt 302, a second gear 303 and a second rotating rod 304, the first rotating rod 3 and the second rotating rod 304 are both rotatably connected to the lower inner wall of the shell 1, the upper ends of the first rotating rod 3 and the second rotating rod 304 movably penetrate through the upper end of the shell 1 and extend upwards, the connecting plate 201 is fixedly connected to the upper end of the second rotating rod 304, the first gear 301 and the second gear 303 are respectively and fixedly connected to the circumferential surfaces of the first rotating rod 3 and the second rotating rod 304, and the toothed belt 302 is in transmission engagement with the circumferential surfaces of the first rotating rod 3 and the second gear 303; and
the self-locking mechanism comprises two ratchet wheels 403, two pawls 404, a transmission part and an unlocking part, wherein the two ratchet wheels 403 and the two pawls 404 are respectively arranged on two sides of the first rotating rod 3, the two pawls 404 are respectively and intermittently meshed with the two ratchet wheels 403, the directions of teeth of the two pawls 404 and the teeth of the two ratchet wheels 403 are opposite, the transmission part is connected with the two ratchet wheels 403 to realize that the transmission part is connected with the first rotating rod 3 so as to lock the rotation of the first rotating rod 3 and enable the rotation of the first rotating rod 3 to be neither in positive rotation nor in reverse rotation, and the unlocking part is connected with the two pawls 404 to realize an unlocking function so as to enable the first rotating rod 3 to rotate freely.
In the embodiment of the present invention, the housing 1 functions to fix other structures of the supporting device, the left portion of the housing 1 extends outside the vehicle body, the right portion of the housing 1 extends inside the vehicle body, two rectangular grooves are formed inside the housing 1, a large rectangular groove is formed on the upper side, a small rectangular groove is formed on the lower side, the two grooves are not communicated, the lower end of the first rotating rod 3 rotates on the lower inner wall of the lower rectangular groove, the upper end of the first rotating rod 3 movably penetrates through the upper end of the housing 1, the lower end of the second rotating rod 304 rotates on the lower inner wall of the upper rectangular groove, the upper end of the second rotating rod 304 movably penetrates through the upper end of the housing 1 and is fixed on the lower end of the connecting plate 201, when the first rotating rod 3 is rotated, the first gear 301 rotates along with the first rotating rod, and further the second gear 303 and the second rotating rod 304 can be driven to rotate by the transmission of the toothed belt 302, and further the connecting plate 201 and the rear mirror 202 are driven to rotate to realize the direction of the precise adjustment of the rear view mirror 202, in the rectangular groove on the lower side, the left side and the right side of the first rotating rod 3 are respectively provided with a ratchet 403 and a pawl 404, the direction of teeth on the two sides is opposite, the first rotating rod 3 and the two ratchets 403 are connected through a transmission component to realize synchronous rotation between the two ratchets, when a force for forward rotation is given to the first rotating rod 3, the rotation direction of the ratchet 403 on the left side is in the same direction as that of the teeth of the pawl 404 on the left side, the ratchet 403 on the left side is not engaged between the two ratchets, the normal rotation can not be influenced by the normal rotation of the first rotating rod 3, but at the moment, the rotation direction of the ratchet 403 on the right side is in the opposite direction to that of the teeth of the pawl 404 on the right side, the ratchet 403 on the right side is engaged between the two ratchets, so that the first rotating rod 3 cannot rotate in the forward direction, and similarly, when a force for reverse rotation is given to the first rotating rod 3, the ratchet 403 on the right side can normally rotate, the ratchet 403 on the left side cannot rotate so that the first rotating rod 3 cannot rotate reversely, the two sets of ratchets 403 and the pawls 404 are set so that the position of the first rotating rod 3 is fixed and can not rotate forward or reversely, and the two pawls 404 can be separated from the two ratchets 403 respectively by the unlocking component so that the first rotating rod 3 can rotate, so that the self-locking performance of the device is enhanced.
Specifically referring to fig. 4, the transmission member includes a fourth gear 402, two third rotating rods 4, two third gears 401, two fourth rotating rods 405, and a plurality of springs 406, the two third rotating rods 4 are respectively rotatably connected between two inner side walls of the housing 1, the two third gears 401 and two ratchet wheels 403 are respectively fixedly connected to circumferential surfaces of the two third rotating rods 4, the fourth gear 402 is fixedly connected to a circumferential surface of the first rotating rod 3, and the fourth gear 402 is engaged with the two third gears 401, the two fourth rotating rods 405 are rotatably connected between the two side inner walls of the housing 1, the two pawls 404 are fixedly connected to the circumferential surfaces of the two fourth rotating rods 405, one ends of the springs 406 are fixedly connected to the two side inner walls of the housing 1, the other ends of the springs 406 are fixedly connected to the circumferential surfaces of the two fourth rotating rods 405, and the springs 406 are sleeved on the circumferential surfaces of the two fourth rotating rods 405.
In this embodiment: two third rotating rods 4 and two pull rods 407 are rotated between the lower inner wall and the upper inner wall of the rectangular groove on the lower side of the housing 1, the two third rotating rods 4 are respectively positioned at the left and right sides of the first rotating rod 3, the two fourth rotating rods 405 are respectively positioned at the front sides of the two third rotating rods 4, the upper and lower parts of the circumferential surface of the two fourth rotating rods 405 are respectively connected with the upper and lower inner walls of the rectangular groove on the lower side of the housing 1 through a spring 406, when a forward rotating force is applied to the first rotating rod 3, the fourth rotating rod 405 on the left side drives the pawl 404 on the left side to vibrate continuously along the ratchet track of the ratchet 403 on the left side under the compression and rebound actions of the two springs 406 on the left side, at this time, the ratchet 403 on the left side can normally rotate without limiting the first rotating rod 3, and the pawl 404 on the right side is engaged with the ratchet 403 on the right side to clamp the same, the ratchet 403 on the right side cannot rotate so that the first rotary lever 3 cannot rotate in the forward direction, and similarly, when a force for rotating the first rotary lever 3 in the reverse direction is applied, the ratchet 403 on the right side normally rotates, and the ratchet 403 on the left side cannot rotate so that the first rotary lever 3 cannot rotate in the reverse direction.
Specifically, referring to fig. 1 and 4, the unlocking member includes two elliptical grooves 101 and two pull rods 407, the two elliptical grooves 101 are both formed at the side end of the housing 1, the two pull rods 407 are respectively fixedly connected to the circumferential surfaces of the two fourth rotating rods 405, and the two pull rods 407 are respectively slidably connected to the two elliptical grooves 101.
In this embodiment: two oval slots 101 are opened at the front end of the housing 1, the rear parts of two pull rods 407 are respectively fixed on the circumferential surfaces of two fourth rotating rods 405, the front parts of two pull rods 407 respectively extend forwards out of the housing 1 through the two oval slots 101, when the pull rod 407 on the left side is pulled to the right, the fourth rotating rod 405 on the left side can be driven to rotate and compress two springs 406 on the left side, at this time, the pawl 404 on the left side can be completely separated from the ratchet 403 on the left side, so that the ratchet 403 on the left side can normally rotate, and the first rotating rod 3 can normally rotate in the forward direction, after the rotation of the first rotating rod 3 is completed, releasing the pull rod 407 on the left side can drive the pawl 404 to rotate under the resilience of the two springs 406 to re-engage with the ratchet 403, and similarly, when the pull rod 407 on the right side is pulled to the left, the first rotating rod 3 can normally rotate in the reverse direction, thereby realizing the rotation unlocking in two directions respectively.
Specifically referring to fig. 1, an annular groove 102 is formed in the upper end of the housing 1, an annular limiting block 2 is fixedly connected to the lower end of the connecting plate 201, and the annular limiting block 2 is rotatably connected to the annular groove 102.
In this embodiment: the connecting plate 201 and the rearview mirror 202 can be limited by the rotation of the annular limiting block 2 along the annular groove 102, so that the connecting plate can only rotate in situ without deviation.
Specifically, referring to fig. 2 and 3, a first handle 305 is fixedly connected to the circumferential surface of the first rotating rod 3, and a second handle 408 is fixedly connected to the side ends of the two pull rods 407.
In this embodiment: the first handle 305 is annular and the second handle 408 is cylindrical, and the surfaces of the first handle 305 and the second handle 408 are anti-skid and convenient for a user to hold, so that the direction of the rearview mirror 202 can be conveniently adjusted by the user through the first handle 305 and the second handle 408.
Specifically, referring to fig. 4, the diameter and the number of teeth of the first gear 301 are smaller than those of the second gear 303.
In this embodiment: the smaller number of teeth of the first gear 301 than the second gear 303 reduces the transmission ratio, which can save power, so that the user needs to rotate a longer path, but can rotate the heavier rearview mirror 202 with less effort.
Specifically referring to fig. 2, two side ends of the housing 1 are fixedly connected with fixing plates 103, and two fixing plates 103 are respectively provided with a threaded hole.
In this embodiment: fixed plates 103 are fixed to the front end and the rear end of the shell 1, threaded holes are formed in the upper ends of the two fixed plates 103, and the shell 1 can be conveniently fixed to a vehicle body through bolts through the fixed plates 103.
The utility model discloses a theory of operation and use flow: when it is necessary to rotate the rearview mirror 202 backwards to adjust the vision of the driver, the second handle 408 located on the left side should be pulled to the right in the vehicle first, so that the pull rod 407 located on the left side, the fourth rotating rod 405 and the pawl 404 rotate to the right, at this time, the pawl 404 located on the left side can be completely disengaged from the ratchet 403 located on the left side, then the pulling of this second handle 408 is kept to rotate the first handle 305, and further the second rotating rod 304 can be rotated by the rotation of the first rotating rod 3 and the transmission action of the first gear 301, the second gear 303 and the toothed belt 302, and further the connecting plate 201 and the rearview mirror 202 can be rotated backwards, after the adjustment is completed, this second handle 408 is released, and under the rebounding action of the two springs 406 located on the left side, the pawl 404 located on the left side can be rotated to the left to be engaged with the ratchet 403 located on the left side again to limit the first rotating rod 3 and the rearview mirror 202, so that they are fixed, when it is necessary to rotate the rearview mirror 202 forward to adjust the field of vision, the second handle 408 on the right side should be pulled leftward first, and the first handle 305 should be rotated reversely at the same time, so that the rearview mirror 202 can be driven to rotate forward; this device can be through the direction of the accurate rear-view mirror 202 of adjusting the car outside of the transmission effect of gear in the car, convenient operation not only can make the driver can easily rotate heavier rear-view mirror 202 through reducing the moment of torsion, this device has still added two-way locking function in addition, rear-view mirror 202 can be fixed to die and can not take place to rotate because of external force is passive at the current position when locking is untied not initiatively, make driver's the field of vision very stable, reduce the risk that the incident takes place, when the field of vision needs are adjusted, also only need just can untie forward or reverse locking respectively through the cooperation of first in command 305 and two second in command 408, make rear-view mirror 202 can the free adjustment direction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A gear for an automobile rearview mirror, comprising:
a housing (1);
the side end of the connecting plate (201) is fixedly connected with a rearview mirror (202);
the driving mechanism is connected with the connecting plate (201) to realize rotation of the connecting plate, the driving mechanism comprises a first rotating rod (3), a first gear (301), a toothed belt (302), a second gear (303) and a second rotating rod (304), the first rotating rod (3) and the second rotating rod (304) are rotatably connected to the lower inner wall of the shell (1), the upper ends of the first rotating rod (3) and the second rotating rod (304) movably penetrate through the upper end of the shell (1) and extend upwards, the connecting plate (201) is fixedly connected to the upper end of the second rotating rod (304), the first gear (301) and the second gear (303) are fixedly connected to the circumferential surfaces of the first rotating rod (3) and the second rotating rod (304) respectively, and the toothed belt (302) is in transmission engagement with the circumferential surfaces of the first rotating rod (3) and the second gear (303); and
the self-locking mechanism comprises two ratchet wheels (403), two pawls (404), a transmission part and an unlocking part, wherein the two ratchet wheels (403) and the two pawls (404) are arranged on two sides of a first rotating rod (3) respectively, the two pawls (404) are meshed with the two ratchet wheels (403) intermittently, the directions of teeth of the two pawls (404) and teeth of the two ratchet wheels (403) are opposite, the transmission part and the two ratchet wheels (403) are connected to realize that the transmission part is connected with the first rotating rod (3) so as to play a locking role in rotating the first rotating rod (3) to enable the rotation of the first rotating rod (3) to be neither in forward rotation nor in reverse rotation, and the unlocking part and the two pawls (404) are connected to realize an unlocking function to enable the first rotating rod (3) to rotate freely.
2. The gear for a rearview mirror of an automobile according to claim 1, wherein: the transmission component comprises a fourth gear (402), two third rotating rods (4), two third gears (401), two fourth rotating rods (405) and a plurality of springs (406), wherein the two third rotating rods (4) are respectively and rotatably connected between two side inner walls of the shell (1), the two third gears (401) and two ratchet wheels (403) are respectively and fixedly connected to the circumferential surfaces of the two third rotating rods (4), the fourth gear (402) is fixedly connected to the circumferential surface of the first rotating rod (3), the fourth gear (402) is meshed with the two third gears (401), the two fourth rotating rods (405) are respectively and rotatably connected between the two side inner walls of the shell (1), the two pawls (404) are respectively and fixedly connected to the circumferential surfaces of the two fourth rotating rods (405), and one ends of the plurality of springs (406) are respectively and fixedly connected to the two side inner walls of the shell (1), the other ends of the springs (406) are respectively and fixedly connected to the circumferential surfaces of the two fourth rotating rods (405), and the springs (406) are respectively sleeved on the circumferential surfaces of the two fourth rotating rods (405).
3. The gear for a rearview mirror of an automobile according to claim 2, wherein: the unlocking part comprises two elliptical grooves (101) and two pull rods (407), the two elliptical grooves (101) are arranged at the side end of the shell (1), the two pull rods (407) are fixedly connected to the circumferential surfaces of the two fourth rotating rods (405) respectively, and the two pull rods (407) are slidably connected to the two elliptical grooves (101) respectively.
4. The gear for the rearview mirror of an automobile according to claim 3, wherein: annular groove (102) have been seted up to the upper end of casing (1), the lower extreme fixedly connected with annular stopper (2) of connecting plate (201), and annular stopper (2) rotate to be connected in annular groove (102).
5. The gear for the rearview mirror of an automobile according to claim 4, wherein: the circumference surface of the first rotating rod (3) is fixedly connected with a first handle (305), and the side ends of the two pull rods (407) are fixedly connected with a second handle (408).
6. The gear for the rearview mirror of an automobile according to claim 5, wherein: the diameter and the number of teeth of the first gear (301) are smaller than those of the second gear (303).
7. The gear for a rearview mirror of an automobile according to claim 6, wherein: two side equal fixedly connected with fixed plate (103) of casing (1), two all set up threaded hole on fixed plate (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358328.2U CN214822931U (en) | 2021-06-18 | 2021-06-18 | Gear for automobile rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358328.2U CN214822931U (en) | 2021-06-18 | 2021-06-18 | Gear for automobile rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214822931U true CN214822931U (en) | 2021-11-23 |
Family
ID=78808072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121358328.2U Active CN214822931U (en) | 2021-06-18 | 2021-06-18 | Gear for automobile rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214822931U (en) |
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2021
- 2021-06-18 CN CN202121358328.2U patent/CN214822931U/en active Active
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