CN212488722U - Motorcycle helmet lens adjusting mechanism - Google Patents

Abstract

The utility model discloses a motorcycle helmet lens adjusting mechanism, which comprises a base, wherein the base is provided with a first moving mechanism and a tooth-shaped mechanism matched with a positioning column of a lens; the first moving mechanism is arranged to drive the moving part to reciprocate along a first direction; the first reset mechanism is arranged between the base and the movable piece and can enable the movable piece to reciprocate between a first position and a second position along a first direction; and a switch member for pivotally connecting the lens to the movable member. When in use, the base is arranged on the helmet; the lens is pivotally arranged on the movable piece through the switch piece; the lens rotates relative to the movable piece and simultaneously drives the movable piece to move along a first direction; after the lens rotates to target in place, under the effect of first canceling release mechanical system, the reference column of lens can be in tooth root department of profile of tooth mechanism to avoid the lens to rock, realize the adjustment of lens angle that opens and shuts through simple structure.

Description

Motorcycle helmet lens adjusting mechanism

Technical Field

The utility model relates to a motorcycle helmet lens guiding mechanism.

Background

Motorcycle helmet lens guiding mechanism is used for installing the lens, and in order to make the position of lens can adapt to the different needs of user, the utility model patent that publication number is CN206923740U just discloses a lens adjusting device in the helmet, and this adjusting device's lens is established on the installation department through intermeshing's gear, drives gear rotation through the handle that sets up on the gear and drives the lens rotation to the state that opens and shuts of adjustment lens. However, such a lens adjusting device is complicated in structure.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the utility model, a simple structure's motorcycle helmet lens guiding mechanism of adjustment lens state that opens and shuts is provided.

The motorcycle helmet lens adjusting mechanism comprises a base, wherein a first moving mechanism and a tooth-shaped mechanism matched with a positioning column of a lens are arranged on the base; the first moving mechanism is arranged to drive the moving part to reciprocate along a first direction; the first reset mechanism is arranged between the base and the movable piece and can enable the movable piece to reciprocate between a first position and a second position along a first direction; and a switch member for pivotally connecting the lens to the movable member.

When the adjusting mechanism for the motorcycle helmet lens is used, the base is arranged on the motorcycle helmet; the lens is pivotally arranged on the movable piece through the switch piece; the movable piece can be driven to move along the first direction while the lens rotates relative to the movable piece and the base; after the lens rotated the position that needs, under first canceling release mechanical system's effect, the reference column of lens can be in tooth root department of profile of tooth mechanism to keep the lens to be in this position under the condition of no exogenic action, can not rock, realize the adjustment of lens angle that opens and shuts through simple structure.

In some embodiments, a second moving mechanism is arranged on the movable member; the switch piece is arranged on the movable piece through a second moving mechanism; a second reset mechanism is arranged between the movable piece and the switch piece, and the second reset mechanism is arranged to enable the switch piece to reciprocate between a third position and a fourth position along the first direction.

Therefore, the second moving mechanism drives the switch piece to move to realize the installation and the disassembly of the lens, and the operation is convenient; and after the lens is installed on the movable piece, the movable piece is driven to reset through the second resetting mechanism so as to enable the lens to be matched in a space formed by the movable piece and the switch piece, and therefore the lens can be pivotally installed on the movable piece.

In some embodiments, the first moving mechanism includes a first through groove extending in a first direction and penetrating through the base, and a first slider fitted in the first through groove, and the movable member is provided on the first slider; a second through groove communicated with the first through groove is formed in the base, and the width of the second through groove is larger than that of the first through groove; at least one side of the end part of the first sliding block, which is far away from the moving part, is provided with a first buckle, the sum of the widths of the first buckle and the first sliding block is smaller than the width of the second through groove and larger than the width of the first through groove, and the first buckle and the moving part are respectively positioned at two sides of the base.

From this, be equipped with first buckle first slider can stretch into the second and lead to the groove earlier, again from the second through-groove and slide into first through-groove to when making first slider slide in first through-groove, can not follow and lead to the groove and drop.

In some embodiments, there are two first through slots. Thereby ensuring the stability of the movement of the first slide block.

In some embodiments, the first return mechanism includes at least two first springs, the first springs extend along a first direction, one end of each first spring abuts against the base, and the other end of each first spring abuts against the movable member; when the movable piece is located at the first position, the first spring is in an extension state, when the movable piece is located at the second position, the first spring is in a compression state, and when the movable piece moves from the first position to the second position, the distance between the movable piece and the tooth-shaped mechanism is decreased progressively.

Therefore, after the lens rotates to a needed position, under the action of the first reset mechanism, the lens can move towards one side departing from the tooth-shaped mechanism, so that the positioning column of the lens is located at the tooth root of the tooth-shaped mechanism, the lens is kept at the position under the condition of no external force action, and the lens cannot shake.

In some embodiments, the second return mechanism includes at least one second spring, the second spring extends along the first direction, one end of the second spring abuts against the movable member, and the other end of the second spring abuts against the switch member; the movable piece is provided with a first through hole; when the switch member is at the third position, the second spring is in an extension state, and the switch member and the first through hole enclose a circular hole for accommodating the pivot shaft of the lens; when the switch piece is located at the fourth position, the second spring is in a compressed state, and when the switch piece moves from the third position to the fourth position, the distance between the switch piece and the first through hole is increased progressively.

Therefore, the second moving mechanism drives the switch piece to move to realize the installation and the disassembly of the lens, and the operation is convenient; and after the lens is installed on the movable piece, the movable piece is driven to reset through the second resetting mechanism so as to enable the pivot shaft of the lens to be matched in a circular hole formed by the movable piece and the switch piece, and therefore the lens can be installed on the movable piece in a pivoting mode.

In some embodiments, the second moving mechanism includes a third through groove extending in the first direction and penetrating the movable member, and a second slider fitted in the third through groove, and the switch member is provided on the second slider; a fourth through groove communicated with the third through groove is formed in the moving part, and the width of the fourth through groove is larger than that of the third through groove; at least one side of the end part of the second sliding block, which is far away from the moving part, is provided with a second buckle, the sum of the widths of the second buckle and the second sliding block is smaller than the width of the fourth through groove and larger than the width of the third through groove, and the second buckle and the switch part are respectively positioned at two sides of the moving part.

From this, be equipped with the second slider of second buckle and can stretch into the fourth logical groove earlier, again from the fourth logical groove and slide into the third logical groove to when making the second slider slide in the third logical groove, can not follow and drop in the third logical groove.

In some embodiments, the base is provided with a first accommodating cavity for accommodating the movable member. So that the structure of the adjusting mechanism of the motorcycle helmet lens is compact.

In some embodiments, a fifth through groove extending along the first direction is further formed on the side wall of the first accommodating cavity; and a third sliding block matched with the fifth through groove is further arranged on the moving part. Therefore, the stability of the movement of the first sliding block is further ensured.

In some embodiments, the movable member is provided with a second accommodating cavity for accommodating the switch member. So that the structure of the adjusting mechanism of the motorcycle helmet lens is compact.

Drawings

Fig. 1 is a schematic structural view of a motorcycle helmet lens adjusting mechanism according to an embodiment of the present invention;

FIG. 2 is a structural view of the motorcycle helmet lens adjusting mechanism shown in FIG. 1 in a disassembled state;

FIG. 3 is a schematic view of another perspective of the disassembled lens adjusting mechanism of the motorcycle helmet shown in FIG. 2;

FIG. 4 is a schematic view of the adjusting mechanism of the motorcycle helmet lens shown in FIG. 1, taken along the A-A section;

FIG. 5 is a schematic view of the adjusting mechanism of the motorcycle helmet lens shown in FIG. 1, taken along the line B-B;

FIG. 6 is a schematic view of the adjusting mechanism of the motorcycle helmet lens shown in FIG. 1, taken along the C-C section;

FIG. 7 is a schematic view of the adjusting mechanism of the motorcycle helmet lens shown in FIG. 1, taken along the D-D section;

FIG. 8 is a schematic view of the structure of the motorcycle helmet lens adjusting mechanism according to the present invention in a working state;

fig. 9 is a schematic structural view showing another usage state of the motorcycle helmet lens adjusting mechanism shown in fig. 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 9 schematically show a motorcycle helmet lens adjusting mechanism according to an embodiment of the present invention.

Referring to fig. 1 to 3, the adjusting mechanism for the lens of a motorcycle helmet comprises a base 20, a movable member 30, a first return mechanism 31 and a switch member 40; wherein, the base 20 is provided with a first moving mechanism 21, and is also integrally formed, processed or connected with a tooth-shaped mechanism 22 matched with the positioning column 1011 of the lens 101; the movable piece 30 is arranged on the first moving mechanism 21, and the first moving mechanism 21 is arranged to drive the movable piece 30 to reciprocate along a first direction; the first return mechanism 31 is disposed between the base 20 and the movable member 30, and the first return mechanism 31 is disposed to enable the movable member 30 to reciprocate between a first position and a second position along a first direction; the switching member 40 is used to pivotally connect the lens 101 to the moveable member 30.

Referring to fig. 8 and 9, when using the motorcycle helmet lens adjusting mechanism, each helmet 100 needs to use two motorcycle helmet lens adjusting mechanisms which are mirror images, the two motorcycle helmet lens adjusting mechanisms are installed on two opposite sides of the helmet 100, and the base 20 is installed on the motorcycle helmet 100; the lens 101 is pivotally mounted on the movable member 30 via the switching member 40; the movable member 30 can be driven to move along the first direction while the lens 101 rotates relative to the movable member 30 and the base 20; after the lens 101 rotates to a required position, under the action of the first reset mechanism 31, the positioning column 1011 of the lens 101 is located at the tooth root of the tooth-shaped mechanism 22, so as to keep the lens 101 at the position without external force, and the lens 101 does not shake, thereby realizing the adjustment of the opening and closing angle of the lens 101 through a simple structure.

In the present embodiment, referring to fig. 2 and 3, the first moving mechanism 21 includes a first through groove 211 extending in the first direction and penetrating the base 20, and a first slider 213 fitted in the first through groove 211, and the movable member 30 is provided on the first slider 213; a second through groove 212 which is communicated with the first through groove 211 and extends along the first direction is arranged on the base 20, and the width of the second through groove 212 is larger than that of the first through groove 211; at least one side of the end of the first slider 213 facing away from the movable element 30 is provided with a first catch 214, the sum of the widths of the first catch 214 and the first slider 213 is smaller than the width of the second through groove 212 and larger than the width of the first through groove 211, and the first catch 214 and the movable element 30 are respectively located on two sides of the base 20.

Therefore, the first slider 213 with the first buckle 214 can first extend into the second through groove 212 and then slide into the first through groove 211 from the second through groove 212, so that the first slider 213 cannot fall off from the first through groove 211 when sliding in the first through groove 211.

With continued reference to fig. 2 and 3, the first through slots 211 are provided in two. Thereby ensuring stability of movement of the first slider 213.

In other embodiments, the first moving mechanism 21 may also be a guide rail and slider mechanism commonly used in the art, wherein the guide rail is disposed along the first direction, the slider is adapted on the guide rail, and the movable member 30 is disposed on the slider (not shown).

In the present embodiment, referring to fig. 1 to 4 and 7, the first return mechanism 31 includes a first spring 311, the first spring 311 extends in a first direction, one end of the first spring 311 abuts against the base 20, and the other end abuts against the movable member 30; when the movable member 30 is at the first position, the first spring 311 is in an extended state, and when the movable member 30 is at the second position, the first spring 311 is in a compressed state, and when the movable member 30 moves from the first position to the second position, the distance between the movable member 30 and the tooth mechanism 22 decreases.

Therefore, after the lens 101 rotates to a required position, under the action of the first resetting mechanism 31, the lens 101 moves towards a side away from the tooth-shaped mechanism 22, so that the positioning column 1011 of the lens 101 is located at the tooth root of the tooth-shaped mechanism 22, and the lens 101 is kept at the position without an external force, and does not shake.

In some embodiments, at least two first springs 311 are disposed on the base 20 to ensure the moving member 30 moves smoothly.

Referring to fig. 8 and 9, when the adjusting mechanism of the motorcycle helmet lens is installed on the helmet 100, the tooth profile of the tooth profile mechanism 22 is disposed toward the positioning post 1011 of the lens 101, and the movable member 30 and the switch member 40 are disposed on the side of the tooth profile mechanism 22 away from the positioning post 1011; when the movable element 30 moves towards the side where the tooth profile of the tooth profile mechanism 22 is located, the first spring 311 is compressed, and since the movable element 30 drives the lens 101 to move together, the positioning column 1011 on the lens 101 leaves from the tooth profile and moves towards the side away from the tooth profile, therefore, when the lens 101 rotates relative to the movable element 30, the tooth profile does not block the movement of the positioning column 1011; when the lens 101 rotates to a desired position, the force for driving the movable element 30 to move is removed, and the movable element 30 moves towards the side away from the tooth shape under the action of the first spring 311, so as to drive the positioning column 1011 on the lens 101 to be attached to the tooth bottom of the tooth shape.

In some embodiments, referring to fig. 1, 2 and 5, in order to avoid the tooth profile of the adjusting mechanism of the motorcycle helmet lens from being knocked during transportation, a stopper 221 is integrally formed, machined or connected to one side of the base 20 facing away from the movable member 30, and the stopper 221 is arranged on the outer side of the tooth profile mechanism 22.

In some embodiments, with continued reference to fig. 1, 2, and 5, to facilitate machining of the tooth mechanism 22, the base 20 is integrally formed or machined with a sixth channel 222 between the tooth mechanism 22 and the stop 221.

In some embodiments, as shown in fig. 1 to 3, in order to facilitate the installation of the base 20 on the helmet 100, a first installation hole 23 and a second installation hole 27 are integrally formed or machined on the base 20.

Referring to fig. 8, in order to keep the lens 101 stable when completely covering the helmet 100, a locking post 28 is integrally formed, machined or connected to the base 20, the locking post 28 and the tooth mechanism 22 enclose an engaging groove for engaging the positioning post 1011, and the lens 101 is locked at the completely covering position by the engaging groove.

Referring to fig. 1-3 and 6, in some embodiments, the moveable member 30 is provided with a second movement mechanism 32; the switch member 40 is disposed on the movable member 30 via the second moving mechanism 32; a second return mechanism 41 is provided between the movable member 30 and the switching member 40, and the second return mechanism 41 is provided to reciprocate the switching member 40 in the first direction between the third position and the fourth position.

Therefore, the second moving mechanism 32 can drive the switch piece 40 to move to realize the mounting and dismounting of the lens 101, and the operation is convenient; further, after the lens 101 is mounted to the movable member 30, the movable member 30 is restored by the second restoring mechanism 41 to fit the lens 101 in the space formed by the movable member 30 and the switching element 40, so that the lens 101 is pivotally mounted to the movable member 30.

Referring to fig. 2 and 3, in some embodiments, the second moving mechanism 32 includes a third through groove 321 extending in the first direction through which the movable member 30 passes and a second slider 323 fitted in the third through groove 321, and the switching element 40 is provided on the second slider 323; the movable member 30 is provided with a fourth through groove 322 which is communicated with the third through groove 321 and extends along the first direction, and the width of the fourth through groove 322 is greater than that of the third through groove 321; at least one side of the end of the second slider 323 facing away from the movable member 30 is provided with a second catch 324, the sum of the widths of the second catch 324 and the second slider 323 is smaller than the width of the fourth through-slot 322 and larger than the width of the third through-slot 321, and the second catch 324 and the switch member 40 are respectively located at two sides of the movable member 30.

Therefore, the second slider 323 provided with the second buckle 324 can firstly extend into the fourth through groove 322 and then slide into the third through groove 321 from the fourth through groove 322, so that the second slider 323 cannot fall off from the third through groove 321 when sliding in the third through groove 321.

In other embodiments, the second moving mechanism 32 may also be a slide-and-guide mechanism commonly used in the art, wherein the guide is disposed along the first direction, the slide is adapted to the guide, and the switch member 40 is disposed on the slide (not shown).

Referring to fig. 1 to 3 and 6, in some embodiments, the second return mechanism 41 includes at least one second spring 411, the second spring 411 extends in a first direction, one end of the second spring 411 abuts against the movable member 30, and the other end abuts against the switching member 40; the movable member 30 is provided with a first through hole 33; when the switch member 40 is in the third position, the second spring 411 is in an extended state, and the switch member 40 and the first through hole 33 enclose a circular hole for accommodating the pivot axis 1012 of the lens 101; when the switch member 40 is at the fourth position, the second spring 411 is in a compressed state, and when the switch member 40 moves from the third position to the fourth position, the distance between the switch member 40 and the first through hole 33 increases.

Therefore, the second moving mechanism 32 can drive the switch piece 40 to move to realize the mounting and dismounting of the lens 101, and the operation is convenient; further, after the lens 101 is mounted to the movable piece 30, the movable piece 30 is restored by the second restoring mechanism 41 to fit the pivot axis 1012 of the lens 101 in the circular hole formed in the movable piece 30 and the switching member 40, so that the lens 101 is pivotably mounted to the movable piece 30.

In some embodiments, referring to fig. 1 and 2, in order to make the structure of the lens adjusting mechanism of the motorcycle helmet compact, a first receiving groove 312 for receiving the first spring 311 is integrally formed or machined on the base 20, a second receiving groove 313 for receiving the first spring 311 is integrally formed or machined on the movable member 30, and a convex pillar 314 adapted to the inner diameter of the first spring 311 or a sleeve 315 adapted to the outer diameter of the first spring 311 is further integrally formed, machined or connected in the first receiving groove 312 and the second receiving groove 313. The movable member 30 and the switch member 40 abutted by the two ends of the second spring 411 can also adopt similar designs, and are not described in detail herein.

In some embodiments, referring to fig. 1 to 3, 8 and 9, in order to make the motorcycle helmet lens adjusting mechanism compact, the second mounting hole 27 is provided at a position corresponding to the first through hole 33. Screws are inserted through the first and second mounting holes 23 and 27 of the base 20, respectively, to couple the base 20 to the helmet 100.

In some embodiments, referring to fig. 1 and 2, the movable member 30 is integrally formed or machined with a notch 35 communicating the first through hole 33 with the second receiving cavity 34, the notch 35 extends along the first direction, and the switch member 40 is integrally formed, machined or connected with a combination block 43 adapted to the notch 35. When the switch member 40 is in the third position, the second spring 411 is in an extended state, the combination block 43 fits in the notch 35 to form a circular hole for accommodating the pivot axis 1012 of the lens 101 together with the first through hole 33, so that the pivot axis 1012 of the lens 101 fits in the circular hole to realize the installation of the lens 101; when the switch member 40 moves from the third position to the fourth position, the combination block 43 moves out of the notch 35 and moves toward the side away from the first through hole 33, so that the pivot 1012 of the lens 101 can be detached from the circular hole, thereby detaching the lens 101.

In some embodiments, to facilitate movement of the switch member 40, a handle 42 is integrally formed, machined or otherwise attached to the switch member 40 as shown with reference to fig. 1-3.

Referring to fig. 1, 2, 4-7, in some embodiments, the base 20 has a first receiving cavity 24 integrally formed or machined therein for receiving the moveable member 30. So that the structure of the adjusting mechanism of the motorcycle helmet lens is compact.

Referring to fig. 2 and 3, in some embodiments, a fifth through groove 25 extending along the first direction is further integrally formed or machined on the sidewall of the first accommodating cavity 24; the movable member 30 is further provided with a third slider 26 adapted to the fifth through slot 25. Thereby, the stability of the movement of the first slider 213 is further ensured.

Referring to fig. 1, 2 and 5, in some embodiments, the moveable member 30 defines a second receiving cavity 34 for receiving the switch member 40. So that the structure of the adjusting mechanism of the motorcycle helmet lens is compact.

In some embodiments, the base 20, the moveable member 30, and the switch member 40 are made of a plastic material such as POM or PA 66. The first spring 311 and the second spring 411 are compression springs and made of metal.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. Motorcycle helmet lens guiding mechanism, its characterized in that includes:

the lens positioning device comprises a base (20), wherein a first moving mechanism (21) and a tooth-shaped mechanism (22) matched with a positioning column (1011) of a lens (101) are arranged on the base (20);

the movable piece (30) is arranged on the first moving mechanism (21), and the first moving mechanism (21) is arranged to drive the movable piece (30) to reciprocate along a first direction;

a first return mechanism (31) disposed between the base (20) and the movable member (30), the first return mechanism (31) being configured to reciprocate the movable member (30) in a first direction between a first position and a second position;

and a switching member (40) for pivotally connecting the lens (101) to the movable member (30).

2. A motorcycle helmet lens adjusting mechanism according to claim 1, wherein the movable member (30) is provided with a second moving mechanism (32);

the switch element (40) is arranged on the movable element (30) through the second moving mechanism (32);

a second reset mechanism (41) is arranged between the movable member (30) and the switch member (40), and the second reset mechanism (41) is arranged to enable the switch member (40) to reciprocate between a third position and a fourth position along the first direction.

3. The motorcycle helmet lens adjusting mechanism of claim 2, wherein the first moving mechanism (21) includes a first through groove (211) extending in a first direction through which the base (20) passes and a first slider (213) fitted in the first through groove (211), the movable member (30) being provided on the first slider (213);

a second through groove (212) communicated with the first through groove (211) is formed in the base (20), and the width of the second through groove (212) is larger than that of the first through groove (211);

at least one side of the end part of the first sliding block (213) departing from the moving part (30) is provided with a first buckle (214), the sum of the widths of the first buckle (214) and the first sliding block (213) is smaller than the width of the second through groove (212) and larger than the width of the first through groove (211), and the first buckle (214) and the moving part (30) are respectively positioned on two sides of the base (20).

4. A motorcycle helmet lens adjusting mechanism according to claim 3, wherein there are two first through slots (211).

5. A motorcycle helmet lens adjustment mechanism according to any one of claims 2 to 4, characterized in that the first return mechanism (31) comprises at least two first springs (311), the first springs (311) extending in a first direction, one end of the first springs (311) resting on the base (20) and the other end resting on the mobile element (30);

when the movable piece (30) is at the first position, the first spring (311) is in an extension state, when the movable piece (30) is at the second position, the first spring (311) is in a compression state, and when the movable piece (30) moves from the first position to the second position, the distance between the movable piece (30) and the tooth-shaped mechanism (22) is decreased progressively.

6. Motorcycle helmet lens adjustment mechanism according to claim 5, characterized in that said second return mechanism (41) comprises at least one second spring (411), said second spring (411) extending in a first direction, said second spring (411) resting with one end on said mobile element (30) and with the other end on said switch element (40);

the movable piece (30) is provided with a first through hole (33);

when the switch member (40) is in the third position, the second spring (411) is in an extended state, the switch member (40) and the first through hole (33) enclose a circular hole for accommodating a pivot axis (1012) of the lens (101); when the switch member (40) is at the fourth position, the second spring (411) is in a compressed state, and when the switch member (40) moves from the third position to the fourth position, the distance between the switch member (40) and the first through hole (33) increases.

7. Motorcycle helmet lens adjustment mechanism according to claim 6, characterized in that said second movement mechanism (32) comprises a third through slot (321) extending in the first direction, through which said mobile element (30) passes, and a second slider (323) fitted in said third through slot (321), said switch element (40) being provided on said second slider (323);

a fourth through groove (322) communicated with the third through groove (321) is formed in the movable piece (30), and the width of the fourth through groove (322) is larger than that of the third through groove (321);

at least one side of the end part of the second sliding block (323) departing from the moving piece (30) is provided with a second buckle (324), the sum of the widths of the second buckle (324) and the second sliding block (323) is smaller than the width of the fourth through groove (322) and larger than the width of the third through groove (321), and the second buckle (324) and the switch piece (40) are respectively positioned on two sides of the moving piece (30).

8. A motorcycle helmet lens adjusting mechanism according to claim 7, characterized in that the base (20) is provided with a first receiving chamber (24) for receiving the movable member (30).

9. A motorcycle helmet lens adjusting mechanism according to claim 8, characterized in that a fifth through slot (25) extending along the first direction is further provided on the side wall of the first accommodating cavity (24);

and a third sliding block (26) matched with the fifth through groove (25) is further arranged on the moving piece (30).

10. A motorcycle helmet lens adjusting mechanism according to claim 9, wherein the movable member (30) is provided with a second receiving chamber (34) for receiving the opening and closing member (40).

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