CN110388429A - Transmission mould group with defencive function and the electronic device using it - Google Patents
Transmission mould group with defencive function and the electronic device using it Download PDFInfo
- Publication number
- CN110388429A CN110388429A CN201910508701.9A CN201910508701A CN110388429A CN 110388429 A CN110388429 A CN 110388429A CN 201910508701 A CN201910508701 A CN 201910508701A CN 110388429 A CN110388429 A CN 110388429A
- Authority
- CN
- China
- Prior art keywords
- piecemeal
- mould group
- screw
- transmission mould
- connecting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/2021—Screw mechanisms with means for avoiding overloading
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2454—Brakes; Rotational locks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The application provides a kind of transmission mould group with defencive function, and transmission mould group includes: drive screw, and drive screw has opposite a first end and second end, first end and second end along drive screw shaft orientation layout；Screw drive block, screw drive block include the first piecemeal and the second piecemeal, and the first piecemeal is combined with the second piecemeal to form the internal thread part with inside thread；Wherein, drive screw is set in internal thread part to drive screw drive block to be axially moveable, first piecemeal includes first connecting portion, second piecemeal includes second connecting portion, first connecting portion and second connecting portion are attached by elastic parts, when drive screw rotates so that when screw drive block is moved to preset anchor point, elastic parts applies active force to the first piecemeal and the second piecemeal, so that the first piecemeal and the second piecemeal make opening and closing movement.Screw drive block in transmission mould group can not continue to be driven after reaching anchor point, to realize the purpose of exertin protection.
Description
Technical field
This application involves mechanical protection field more particularly to a kind of transmission mould group with defencive function and use its electricity
Sub-device.
Background technique
In field of projector, the camera lens of most of projector's products can carry out the movement on horizontal axis and/or the longitudinal axis, but
Its moving range is limited.
In the prior art, user can manipulate the movement of projection lens by adjusting driving member, however, in adjustment process
In, user can not clearly learn whether driving member arrived restricted area, and after driving member reaches restricted area, if making
User is continuously applied strength, and it will cause transmission mould the group even damages of lens module.
Therefore, it is necessary to a kind of novel transmission mould group with defencive function and the electronic device using it are designed, with
Overcome drawbacks described above.
Summary of the invention
The application's is designed to provide a kind of transmission mould group with defencive function and the electronic device using it, passes
Screw drive block in dynamic model group can not continue to be driven after reaching anchor point, to realize the purpose of exertin protection.
In order to achieve the above objectives, the transmission mould group with defencive function that this application provides a kind of, the transmission mould group include:
Drive screw, the drive screw have opposite first end and second end, and the first end and the second end are along the drive screw
Shaft orientation layout；Screw drive block, the screw drive block include the first piecemeal and the second piecemeal, first piecemeal with this second point
Block is combined to form the internal thread part with inside thread；Wherein, which is set in the internal thread part to drive and be somebody's turn to do
For screw drive block along the axial movement, which includes first connecting portion, which includes second connecting portion, this
One interconnecting piece is attached with the second connecting portion by elastic parts, when the drive screw rotates so as to work as the screw drive block
When being moved to preset anchor point, which applies active force to first piecemeal and second piecemeal so that this first
Piecemeal and second piecemeal make opening and closing movement.
Preferably, the transmission mould group further include: posting, to accommodate the screw drive block, which corresponds to should
The upper bottom surface or bottom surface of posting are arranged.
Preferably, the transmission mould group further include: position block, the position which corresponds to the position block are arranged.
Preferably, the screw drive block contacts on this of the posting when screw drive block is moved to the anchor point
Bottom surface, the bottom surface or the position block, so that first piecemeal and second piecemeal make opening and closing movement along the elastic parts.
Preferably, the first connecting portion offers first through hole group, which offers the second sets of vias；Its
In, which is mutually clamped with the second connecting portion, and the first through hole group and second sets of vias are interconnected, with
Form the mounting hole to install the elastic parts.
Preferably, the elastic parts includes torque spring；Wherein, which includes intermediate bending section and both ends
Straightway, which runs through along draw direction through-hole.
Preferably, the elastic parts further includes mounting post, and the mounting post is assemblied in the through-hole of the torque spring.
Preferably, the straightway at both ends is connected to first piecemeal and second piecemeal respectively in the torque spring, with right
First piecemeal and second piecemeal apply active force.
The application also separately provides a kind of electronic device, which includes: lens module；Transmission mould as described above
The screw drive block of group, the transmission mould group is connected to the lens module, to drive the lens module mobile.
Preferably, the electronic device is projector.
Compared with prior art, transmission mould group provided by the present application is by screw drive block split settings, then by elastic parts
The first piecemeal and the second piecemeal of split settings in the screw drive block are connected, so that screw drive block is when reaching anchor point,
First piecemeal and the second piecemeal and then are avoided the damage of transmission mould group by the driving masterpiece opening and closing movement of elastic parts.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of transmission mould group provided by the embodiments of the present application；
Fig. 2 is the perspective view of the explosion of transmission mould group provided by the embodiments of the present application.
Specific embodiment
To make the purpose to the application, construction, feature and its function have further understanding, hereby cooperate embodiment specifically
It is bright as follows.
Some vocabulary is used in specification and claims to censure specific element.Have in fields
Usual skill is, it is to be appreciated that manufacturer may call the same element with different nouns.This specification and right are wanted
Ask book not in such a way that the difference of title is as element is distinguished, but with the difference of element functionally as differentiation
Criterion.Mentioned " comprising " is open term throughout the specification and claims, therefore should be construed to " including but
It is not limited to ".
Referring to Figure 1 and Fig. 2, Fig. 1 are the structural schematic diagram provided by the embodiments of the present application for being driven mould group 10, and Fig. 2 is this
Apply for the perspective view of the explosion for the transmission mould group 10 that embodiment provides.As shown in Figure 1, the transmission mould group 10 includes: drive screw 100
And screw drive block 200；The drive screw 100 has opposite first end and second end, the first end and the second end edge
The shaft orientation layout of drive screw 100, the screw drive block 200 include the first piecemeal 201 and the second piecemeal 202, the first piecemeal
201 combine with the second piecemeal 202 to form the internal thread part with inside thread；Wherein, drive screw 100 is set to the interior spiral shell
To drive screw drive block 200 along the axial movement of above-mentioned drive screw 100 in line portion, the first piecemeal 201 includes the first connection
Portion 2010, the second piecemeal 202 include second connecting portion 2020, and first connecting portion 2010 and second connecting portion 2020 pass through elastic group
Part 300 is attached, when the rotation of drive screw 100 so that when the screw drive block 200 is moved to preset anchor point, elasticity
Component 300 applies active force so that the first piecemeal 201 is opened and closed with the second piecemeal 202 to the first piecemeal 201 and the second piecemeal 202
Movement.
In specific implementation, when screw drive block 200 does not move to default anchor point, elastic parts 300 applies pressing
Power is to the first piecemeal 201 and the second piecemeal 202, so that the first piecemeal 201 and the second piecemeal 202, which are formed, has the interior of complete thread
Threaded portion, and when screw drive block 200 is moved to default anchor point, screw drive block 200 by being limited from anchor point,
It can be at anchor point with rotation resultant direction opposite effect power, after elastic parts 300 is by above-mentioned active force,
Then apply active force to the first piecemeal 201 and the second piecemeal 202, so that it completes opening and closing movement in moment, that is, working as screw thread
When drive block 200 is moved to anchor point, if user continues rotary drive screw rod 100, screw drive block 200 is by self-positioning
Point place opposition after, and then make elastic parts 300 generate elastic deformation, generation active force make the first piecemeal 201 and
Second piecemeal 202 separates, and drive screw 100 can not continue to rotate at this time, and screw drive block 200 is not again by above-mentioned reversed work
Firmly, then the first piecemeal 201 and the second piecemeal 202 restore close-fitting state, so far complete the movement of folding.
In an embodiment, above-mentioned screw drive block 200 includes the first piecemeal 201 and the second piecemeal 202 of split settings,
When the first piecemeal 201 combines assembly with the second piecemeal 202, internal thread part (the i.e. screw thread with complete inner side screw thread is formed
Hole).Preferably, the first piecemeal 201 and the second piecemeal 202 are corresponding two matching pieces, that is, the first piecemeal 201 and the
Two piecemeals 202 respectively have corresponding half of screw thread, to form the threaded hole with complete thread, above-mentioned transmission spiral shell after assembling
Bar 100 is set in the threaded hole.Further, user is by rotating the first end of above-mentioned drive screw 100 to drive
Above-mentioned screw drive block 200.For example, screw drive block 200 is with respect to the biography when user rotates clockwise drive screw 100
Dynamic screw rod 100 moves up, on the contrary, screw drive block 200 is opposite should when user rotates counterclockwise drive screw 100
Drive screw 100 moves down, and when screw drive block 200 is moved to preset anchor point, the driving of elastic parts 300 first
Piecemeal 201 and the second piecemeal 202 make opening and closing movement.It is understood that even if user continues to rotate drive screw 100, by
It is limited by the limitation at anchor point in screw drive block 200, can not continue up or move down, however, due to first point
Block 201 and 202 split settings of the second piecemeal are simultaneously attached by elastic parts 300, when user rotates drive screw 100,
Screw drive block 200 is after by the opposition opposite with rotation resultant direction, the first piecemeal 201 and the second piecemeal 202
It can make opening and closing movement by above-mentioned elastic parts 300, to reach the protection components such as inside thread and drive screw 100
Effect, avoid transmission mould group 10 damage.For example, above-mentioned anchor point may be disposed at the first end of drive screw 100
To between screw drive block 200.
In one embodiment, above-mentioned transmission mould group 10 further include: posting (is not painted) in figure, and posting is to hold
Screw drive block 200 is set, screw drive block 200 may be disposed in posting, wherein above-mentioned anchor point can correspond in posting
Upper bottom surface or bottom surface setting, that is, screw drive block 200 is in the upper bottom surface or bottom surface being moved in posting,
Upper bottom surface or bottom surface are contacted at, and then continues to move by the upper bottom surface of the posting or bottom surface limitation screw drive block 200
It is dynamic.
In another embodiment, above-mentioned transmission mould group 10 further include: position block (is not painted) in figure, above-mentioned positioning
Point can correspond to the position setting of position block, for example, position block can substantially be set to the upper of screw drive block 200
Side, as long as it can play the role of limitation at anchor point, screw drive block 200 is continued to move to, and the application is not with this
It is limited.
It is understood that screw drive block 200 should contact at positioning when screw drive block 200 is moved to anchor point
The upper bottom surface or bottom surface of frame, or position block is contacted at, above-mentioned a variety of set-up modes can reach to be limited at anchor point
The purpose that screw drive block 200 processed continues to move to.
Fig. 2 is referred to, the first connecting portion 2010 in the first piecemeal 201 offers first through hole group 2011, the second piecemeal
Second connecting portion 2020 in 202 offers the second sets of vias 2021；Wherein, first connecting portion 2010 and second connecting portion 2020
When being mutually clamped, first through hole group 2011 and the second sets of vias 2021 are interconnected and are formed to install elastic parts 300
Mounting hole.
Preferably, elastic parts 300 includes torque spring 301 and mounting post 302；Torque spring 301 specifically includes centre
Bending section and both ends straightway, wherein through there is a through-hole along draw direction, the correspondence of mounting post 302 is assemblied in bending section
The through-hole of bending section in the torque spring 301.It should be noted that elastic parts 300 can also be by other elastic components (such as: other
The spring or element of structure) composition, as long as it can satisfy identical effect, the application is not limited thereto.It is specific and
Speech, the dimensions of mounting post 302 and the size of above-mentioned mounting hole match, as shown in Figures 1 and 2, second connecting portion 2020
First connecting portion 2010 is sticked in be formed by engaging space, and first connecting portion 2010 and second connecting portion 2020 are mutually blocked
After conjunction, then there are the spaces of assembly torque spring 301 for second connecting portion 2020.Wherein, bending section is surrounded on mounting post 302, and two
Straightway is connected to the first piecemeal 201 and the second piecemeal 202 respectively.Such setting may make when screw drive block 200 is by fixed
Position frame, position block or when other limitations, if screw drive block 200 by the opposition opposite with rotation resultant direction,
The straightway at 301 both ends of torque spring is exerted a force respectively to the first piecemeal 201 and the second piecemeal 202, so that drive screw 100 is opposite
Screw drive block 200 dallies, to ensure that situations such as transmission mould group 10 will not produce fracture because of external force, is damaged, plays
The effect of exertin protection.
The application also provides a kind of electronic device, and electronic device uses above-mentioned transmission mould group 10, and electronic device further includes
Lens module, transmission mould group 10 are connected to lens module to pass through drive screw 100 to adjust the camera lens in lens module.Citing
For, electronic device can be projector.
In conclusion the application adjusts the position of screw drive block 200, screw drive by rotation drive screw 100
Block 200 drives coupled lens module.Further, when screw drive block 200 is moved to preset anchor point, by
Posting or position block at anchor point are contacted in it, by the acting in opposition opposite with rotation resultant direction
After power, elastic parts 300 makes the first piecemeal 201 and the second piecemeal 202 makees opening and closing movement, and 100 opposite thread of drive screw drives
Motion block 200 dallies, to guarantee to be driven situations such as mould group 10 will not produce fracture because of external force, is damaged, plays exertin protection
Effect, meanwhile, the also lens module that is connect with screw drive block 200 of indirect protection.The application structure is simple, cost
It is low, it is practical.
The application is described by above-mentioned related embodiment, however above-described embodiment is only the example for implementing the application.
It must be noted that the embodiment disclosed is not limiting as scope of the present application.On the contrary, do not depart from spirit herein and
It is changed and retouched made by range, belongs to the scope of patent protection of the application.
Claims (10)
1. a kind of transmission mould group with defencive function, which is characterized in that the transmission mould group includes:
Drive screw, the drive screw have opposite first end and second end, and the first end and the second end are along the transmission
The shaft orientation layout of screw rod；
Screw drive block, the screw drive block include the first piecemeal and the second piecemeal, which combines with second piecemeal
To form the internal thread part with inside thread；
Wherein, which is set in the internal thread part to drive the screw drive block along the axial movement, and this first point
Block includes first connecting portion, which includes second connecting portion, and the first connecting portion and the second connecting portion pass through elasticity
Component is attached, when drive screw rotation so that when the screw drive block is moved to preset anchor point, the elasticity group
Part applies active force to first piecemeal and second piecemeal, so that first piecemeal and second piecemeal make opening and closing movement.
2. as described in claim 1 with the transmission mould group of defencive function, which is characterized in that the transmission mould group further include:
Posting, to accommodate the screw drive block, which corresponds to upper bottom surface or the bottom surface setting of the posting.
3. as described in claim 1 with the transmission mould group of defencive function, which is characterized in that the transmission mould group further include:
Position block, the position which corresponds to the position block are arranged.
4. as claimed in claim 2 or claim 3 with the transmission mould group of defencive function, which is characterized in that the screw drive block is mobile
When to the anchor point, which contacts at upper bottom surface, the bottom surface or the position block of the posting, so that
First piecemeal makees opening and closing movement along the elastic parts with second piecemeal.
5. as described in claim 1 with the transmission mould group of defencive function, which is characterized in that the first connecting portion offers the
One sets of vias, the second connecting portion offer the second sets of vias；
Wherein, which is mutually clamped with the second connecting portion, and the first through hole group and second sets of vias are mutual
Connection, to form the mounting hole to install the elastic parts.
6. as described in claim 1 with the transmission mould group of defencive function, which is characterized in that the elastic parts includes torsion bullet
Spring；
Wherein, which includes the straightway of intermediate bending section and both ends, which runs through along draw direction has
Through-hole.
7. as claimed in claim 6 with the transmission mould group of defencive function, which is characterized in that the elastic parts further includes installation
Column, and the mounting post is assemblied in the through-hole of the torque spring.
8. as claimed in claim 6 with the transmission mould group of defencive function, which is characterized in that both ends is straight in the torque spring
Line segment is connected to first piecemeal and second piecemeal respectively, to apply active force to first piecemeal and second piecemeal.
9. a kind of electronic device, which is characterized in that the electronic device includes:
Lens module；
Transmission mould group as described in any in claim 1 to 8, the screw drive block of the transmission mould group are connected to the camera lens mould
Group, to drive the lens module mobile.
10. electronic device as claimed in claim 9, which is characterized in that the electronic device is projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508701.9A CN110388429B (en) | 2019-06-13 | 2019-06-13 | Transmission module with protection function and electronic device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508701.9A CN110388429B (en) | 2019-06-13 | 2019-06-13 | Transmission module with protection function and electronic device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110388429A true CN110388429A (en) | 2019-10-29 |
| CN110388429B CN110388429B (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910508701.9A Active CN110388429B (en) | 2019-06-13 | 2019-06-13 | Transmission module with protection function and electronic device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388429B (en) |
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| Publication number | Publication date |
|---|---|
| CN110388429B (en) | 2022-05-17 |
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