The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of bandage retaining mechanism.The bandage retaining mechanism has
It is simple in construction, semiautomatic control, space is saved, structure transmission is stable, locking, finely tunes the advantages of effect is good.
To achieve these goals, the present invention uses following technical scheme:
A kind of bandage retaining mechanism, including button, bandage, shell and drive mechanism, wherein drive mechanism are contained in described
In shell, the shell includes the first housing, and first housing is provided with through hole, and the button is through the through hole and can be
In the through hole axially movable and circle rotation, the drive mechanism is laminated and is fixedly installed, the drive mechanism with the button
With the button motion and the bandage is driven to be stretched to adjust the length of the bandage.The bandage retaining mechanism also includes lock-bit
Structure, the capture configurations are contained in the shell and are fixedly connected with the drive mechanism, the capture configurations and first
Housing coordinates, and for locking the position of the button and the drive mechanism, limits turn of the button and the drive mechanism
It is dynamic.
The capture configurations include lock-bit gear, and the drive mechanism and one end of the button connects are provided with connecting plate,
The lock-bit gear is fixedly connected on side of the connecting plate away from the button.
The through hole one end inwall corresponding with the lock-bit gear is provided with ring gear, the button and the transmission
The axial movement of structure drives the lock-bit gear to engage or separate with the ring gear, to limit the button and the transmission
The rotation of structure.
The capture configurations further comprise limiting plate, and the limiting plate is arranged at lock-bit gear away from the connecting plate
Side, the limiting plate are used for the axial movement for limiting the lock-bit gear.
The lock-bit gear includes at least one arc-shaped gear, and the arc-shaped gear is located at the outside of the drive mechanism, described
The both sides of arc-shaped gear are respectively equipped with spacing gap, on the connecting plate side away from the button be provided with the arc-shaped gear
Spacing gap is corresponding and the limited post that is placed in the spacing gap, and the limited post coordinates with the spacing gap to be limited
The position of the fixed arc-shaped gear.
The direction of the limited post vertically is provided with screwed hole, and the arc-shaped gear passes through the lock-bit that is closed with corresponding threaded holes
Screw is fixedly connected with the connecting plate.
The drive mechanism also includes travelling gear and an at least toothed rack, and it is remote that the travelling gear is located at the connecting plate
From the middle position of the button side, the travelling gear is fixedly connected by the connecting plate with the button, the tooth
Bar is fixedly connected with the bandage along the strap length direction and is arranged at the outside of the travelling gear and travelling gear is nibbled
Close.
The bandage retaining mechanism further comprises the flexible restoring organ being placed in the shell, the drive mechanism
Also include the through hole through the travelling gear and the connecting plate, the flexible restoring organ is arranged at the through hole
In, and with the button connects, the reset for the capture configurations.
The button is provided with the first column close to one end of drive mechanism position corresponding with the through hole, described outer
Shell further comprises the second housing being detachably connected with first housing, and second housing is close to the drive mechanism
One end position corresponding with the through hole is provided with the second column, the both ends of the flexible restoring organ respectively with first column
The part for putting in the through hole with second column abuts against.
Advantages of the present invention and beneficial effect are:
1. the present invention has simple in construction, semiautomatic control, space is saved, structure transmission is stable, and locking, fine setting effect are good
The advantages of.
2. the present invention realizes bidirectional modulation by rotary knob, simple to operate, convenient and swift.
3. the present invention sets lock-bit gear and the latch on the first housing at a fully engaged, so as to reach the effect of the anti-transmission of stop bit
Fruit, structure are safe and reliable.
4. the self-locking mechanism of the present invention is resetted by release spring, semiautomatic control is realized.
5. the present invention is arranged inside bandage, space is saved.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the top view of the present invention;
Fig. 3 is A-A sectional views in Fig. 2;
Fig. 4 is the structural representation of button in the present invention;
Fig. 5 is the structural representation of lock-bit gear in the present invention;
Fig. 6 is the structural representation of travelling gear in the present invention;
Fig. 7 is the structural representation of middle rack of the present invention;
Fig. 8 is the structural representation of the first housing in the present invention;
Fig. 9 is the structural representation of the second housing in the present invention;
Figure 10 is the mounted inside schematic diagram of the present invention.
Wherein:1 is the first bandage, and 2 be the second bandage, and 3 be button, and 4 be the first housing, and 5 be the second housing, and 6 be transmission
Gear, 7 be lock-bit gear, and 8 be rack, and 9 be spring, and 10 be the first column, and 11 be limiting plate, and 12 be connecting plate, and 13 be spacing
Post, 14 be rail groove, and 15 be through hole, and 16 be ring gear, and 17 be the second column, and 18 be lock-bit screw, and 19 annular grooves, 20 be head
Wear glasses, 30 be bandage retaining mechanism.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with implementation of the accompanying drawing to the present invention
Mode is described in further detail.
Referring to Fig. 1, the schematic diagram for the head wearing type 3 D eyeglasses that Fig. 1 is provided by the embodiment of the invention.This hair
A kind of wear-type 3D eyes of bright offer include lens body 20, bandage and bandage retaining mechanism 30, and the bandage includes first
One end of the bandage 2 of bandage 1 and second, first bandage 1 and second bandage 2 is relative with the lens body 20 respectively
Both sides are fixedly connected, the bandage retaining mechanism 30 and first bandage 1 and second bandage 2 not with the glasses sheet
One end connection that body 20 connects.As shown in Fig. 1-3, Fig. 8, the bandage retaining mechanism 30 includes button 3, shell, drive mechanism
And capture configurations, wherein drive mechanism are contained in the shell, the shell includes the first housing 4, on first housing 4
Provided with through hole 15, the button 3 is through the through hole 15 and can be in the through hole 15 axially movable and circle rotation, the biography
Dynamic structure is laminated and is fixedly installed with the button 3, the drive mechanism moved with the button 3 and drive the bandage to be stretched with
Adjust the length of the bandage.The capture configurations are contained in the shell and are fixedly connected with the drive mechanism, the lock
Bit architecture coordinates with the first housing 4, for locking the position of the button 3 and the drive mechanism, limits the button 3 and institute
State the rotation of drive mechanism.
The capture configurations include lock-bit gear 7, and one end that the drive mechanism is connected with the button 3 is provided with connecting plate
12, as shown in fig. 6, the lock-bit gear 7 is fixedly connected on side of the connecting plate 12 away from the button 3.
The drive mechanism also includes travelling gear 6 and rack 8, and it is remote that the travelling gear 6 is located at the connecting plate 12
The middle position of the side of button 3, the travelling gear 6 are fixedly connected by the connecting plate 12 with the button 3.It is described
Rack 8 is fixedly connected along strap length direction with the bandage 2 of the first bandage 1 or/and second, and the rack 8 is located at the biography
Simultaneously engaged with travelling gear 6 in the outside of moving gear 6.The quantity of the rack 8 can be 1 or 2, you can with only described first
Bandage 1 and second bandage 2 set the rack 8 on one of them, can also be tied up in first bandage 1 and described second
The rack 8 is respectively provided with band 2.
The bandage 2 of first bandage 1 and second is inserted in the shell by the opening of the shell opposite end respectively, institute
State the end that rack 8 is arranged at the bandage 2 of the first bandage 1 or/and second.The button 3 drives 6 turns of the travelling gear
Dynamic, the travelling gear 6 drives length direction of the rack 8 along the bandage to move, so as to realize the size of the bandage
Adjustment.
When the rack 8 is one, the rack 8 is arranged at the end of the bandage 2 of the first bandage 1 or second, and
For movable end, the bandage 1 of the second bandage 2 or first is then fixedly connected on the housing, and is fixing end.It is described to press
Button 3 drives the travelling gear 6 to rotate, and the travelling gear 6 drives length direction of the rack 8 along the bandage to stretch,
So as to realize the unidirectional adjustment of the bandage size.
In the present embodiment, it is preferred that the quantity of the rack 8 can be 2, i.e., in first bandage 1 and described second
The rack 8 is respectively provided with bandage 2.The rack 8 is laid in the opposite sides of the travelling gear 6, two teeth respectively
Bar 8 is connected with the first bandage 1 and the second bandage 2 respectively, and the button 3 drives the travelling gear 6 to rotate, and makes two teeth
Bar 8 is relative or opposite direction is moved, and realizes the two-way adjustment of the bandage size.
In order to further reinforce the transmission stability of the travelling gear 6 and the rack 8, first bandage 1 and
One end that two bandages 2 are inserted in the shell overlaps, and the end is respectively equipped with a rail groove 14, institute along its length
The both ends for stating rail groove 14 are arc-shaped transition, and the arc-shaped transition is easy to match with the travelling gear 6 positioned at extreme position,
Two racks 8 be respectively arranged at it is in the side wall of two rail grooves 14 and positioned opposite, as shown in Figure 7.The transmission
Gear 6 is inserted in the rail groove 14 of the first bandage 1 and the second bandage 2 and engaged with both sides rack 8 successively.The rail groove
14 ensure that effective transmission of the travelling gear 6 and the rack 8, improve transmission stability, and transmission is safe and reliable.
As shown in Fig. 3, Fig. 8, the through hole 15 one end inwall corresponding with the lock-bit gear 7 is provided with ring gear
16, the axial movement of the button 3 and the travelling gear 6 makes the lock-bit gear 7 engage or separate with the ring gear 16,
To limit the rotation of the button 3 and the travelling gear 6.When the lock-bit gear 7 engages with the ring gear 16, limitation
The rotation of the button 3 and the travelling gear 6;When the lock-bit gear 7 departs from the ring gear 16, the lock-bit is eliminated
Limitation of the structure to the button 3 and the travelling gear 6.
The capture configurations further comprise limiting plate 11, and the limiting plate 11 is arranged at lock-bit gear 7 away from the company
The side of fishplate bar 12, the limiting plate 11 are used for the axial movement for limiting the lock-bit gear 7.In the lock-bit gear 7 and institute
State ring gear 16 it is at a fully engaged when, the limiting plate 11 abuts with first housing 4, so as to limit the lock-bit gear 7 after
Continuous axial movement.The limiting plate 11 to the lock-bit gear 7 carry out axial limiting, ensure the lock-bit gear 7 with it is described interior
Gear ring 16 is at a fully engaged, reaches the effect of the anti-transmission of stop bit, and structure is safe and reliable.
The lock-bit gear 7 includes arc-shaped gear, and the arc-shaped gear is located at the outside of the travelling gear 6, the arc-shaped gear
Both sides be respectively equipped with spacing gap, as shown in Figure 5.On the connecting plate 12 away from the button 3 side be provided with it is described
Arc-shaped gear upper limit gap is corresponding and the limited post 13 that is placed in the spacing gap, as shown in Figure 6.The limited post
13 coordinate the position for limiting the arc-shaped gear with the spacing gap, and the direction on the limited post 13 vertically is provided with screw thread
Hole, the arc-shaped gear are fixedly connected by the lock-bit screw 18 closed with corresponding threaded holes with the connecting plate 12, as shown in Figure 10.
The arc-shaped gear is axially moveable by the drive of the button 3 and the travelling gear 6, and engage with the ring gear 16 or
Separation.The quantity of the arc-shaped gear is at least one, but is not limited thereto.
In the present embodiment, it is preferred that the arc-shaped gear is two, and two arc-shaped gears are symmetrically mounted on connecting plate 12
On, and positioned at the opposite sides of the travelling gear 6.The connecting plate 12 is provided with four limited posts 13, and is respectively contained in
In the spacing gap of two arc-shaped gear both sides, the limited post 13 of the arc-shaped gear both sides carries out week to the arc-shaped gear
To with radially it is spacing.When two arc-shaped gears engage with the ring gear 16, the button 3 and the travelling gear are limited
6 rotation.Engaged using two arc-shaped gears being symmetrically installed with the ring gear 16, the effect of the anti-transmission of stop bit it is more preferable and
More stable, structure is more safe and reliable.
Four arcs are circumferentially also evenly equipped with the connecting plate 12 and are respectively arranged at two to groove, four limited posts 13
Relative arc is to groove both sides.Circumferentially arranged with being engaged respectively with four arcs on the connecting plate 12 to groove on the button 3
Four projections of connection, the relative rotation for projecting through the button 3 of two of which can drive the connecting plate 12 and described
Travelling gear 6 carries out circumferential movement, and two other projects through the pressing of button 3 relatively can promote the connecting plate 12 and institute
State travelling gear 6 and be axially moved (because the connecting plate 12 is connected with the travelling gear 6 by four screws),
So that the arc-shaped gear departs from the ring gear 16.
The shell further comprises the second housing 5 being detachably connected with first housing 4, second housing 5
For square structure, side plate that the square structure is arranged at bottom plate both sides by bottom plate, along its length and the horizontal stroke for being arranged at both ends
Beam forms, and the bottom plate, side plate and two crossbeams form the opening at the shell both ends, as shown in Figure 9.First bandage 1
It is inserted in respectively by the opening at the both ends of the second housing 5 in the shell with the second bandage 2.
In order to realize the purpose of semiautomatic control, the bandage retaining mechanism further comprises being placed in the shell
Flexible restoring organ, the drive mechanism also include the through hole through the travelling gear 6 and the connecting plate 12, the bullet
Property resetting-mechanism is arranged in the through hole, and is connected with the button 3, the reset for the capture configurations.
The button 3 is provided with the first column 10 close to one end of drive mechanism position corresponding with the through hole, such as
Shown in Fig. 4.Second housing 5 is provided with the second column close to one end of drive mechanism position corresponding with the through hole
17, as shown in figure 9, the both ends of the flexible restoring organ put in institute with first column 10 and second column 17 respectively
The part for stating through hole abuts against.The outside of second column 17 is provided with annular groove 19, and the annular groove 19 is resigning
Groove, it is that the stroke of the travelling gear 6 is stepped down, ensureing the axial movement of the travelling gear 6 has enough spaces.
The flexible restoring organ is spring 9, and the spring 9 is placed in the through hole of the travelling gear 6 and both ends
Abutted respectively with the first column 10 and the second column 17.The button 3, the band of button 3 are promoted by the elasticity release of spring 9
Move the lock-bit gear 7 to reset, so that the lock-bit gear 7 and ring gear 16 engage, limit turning for the travelling gear 6
It is dynamic, realize semiautomatic control.Said structure shortens the axially mounted length of integrated model, compact-sized, reduces entirety
The volume of mechanism.
The specific adjustment process of size is worn after the wear-type 3D eyes is:
When size is worn after adjustment, button 3 is first pinned downwards, and the button 3 moved down compresses bullet by the first column 10
Spring 9, while the lock-bit gear 7 is departed from the ring gear 16.It is described to press further according to the leftward or rightward rotary knob 3 of needs
Button 3 drives the travelling gear 6 to rotate, and is slided so that two racks 8 engaged with the travelling gear 6 are relative, user
It is adjusted according to the flexible in size of itself head circumference, has reached the regulation purpose worn and size is worn after glasses 20, is used
Person can cosily wear this and wear glasses 20.
After the size adjustment worn afterwards, release button 3.Now, discharged by the spring 9 that first column 10 compresses
Elastic force, the button 3 reset the lock-bit gear 7 by being moved up under the effect of the elastic force of spring 9, and with the internal tooth
Enclose 16 at a fully engaged, so as to reach the effect of the anti-transmission of stop bit, structure is safe and reliable, so as to realize semiautomatic control.
In summary, a kind of bandage retaining mechanism provided by the invention, it is simple and compact for structure, it is easy to operate, have and save
Space, structure transmission is stable, locking, finely tunes the advantages of effect is good.
A kind of bandage retaining mechanism provided by the invention is arranged inside bandage, saves space, while strengthen effect attractive in appearance
Fruit.The bandage retaining mechanism, on the bandage applied to bandage class product, for adjusting the elastic of bandage and locking bandage, such as
Put on installed in the back for wearing class product.