Locking Mechanism Design for Consumer ProductBlind

in 3D Modeling Design held by lkharr
Contest Ended, Winner(s) have been selected.
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Description:
We are looking for a locking mechanism for our upcoming product that is simple and minimalistic, yet very robust in how it locks the two pieces together. When locked there will be lateral stresses forcing the pieces to slide apart. We want there to be virtually no chance of the pieces coming apart by accident while locked, and the mechanism must be simple and intuitive.

Items that must reamin the same are the length and width of the objects. Enjoy full freedom to change the trapizod shape.

Please refer to attached images for some of our previous ideas. These are simplistic, but they are either not aestheticly pleasing or they do not provide a reliable lock while the product is in use.

We have uploaded 4 different file types because we wern't sure what your preference would be. Please also take a look at the attached images to see the other mecanisms that we have designed thus far. These are the ones that we like for simplicity and minimalism sake but they are not the most effective or intuitive.
Wants:
Simplicity, minimalism, effectiveness of lock, intuitive design
Don't Wants:
Ideally, the mechanism would be internal or along the long edge of the pieces. We are not looking for something with various other pieces that will be needed to be manufactured.
Software:
  1. Autodesk Fusion 360

Entries

= Buyer's Rating
1st Winner
#22 VERSION 3 by RBLdesign
Dec 17, 2017 17:43
#10 locking mechanism by RBLdesign
Dec 14, 2017 15:01
#7 Modified Concept by DesignAssist
Dec 13, 2017 13:09
#2 Snap Lock by kspeedy28
Dec 12, 2017 17:20
#5 Aérospace inspired hidden lock mechanism by BuzzBen
Dec 13, 2017 0:59
#14 Locking Mechanism Design for Consumer Product by Ratnesh
Dec 15, 2017 15:07
#4 Link System Concept showing use of Military Standards application by BuzzBen
Dec 13, 2017 0:19
#28 Slide Lock revision by kspeedy28
Dec 18, 2017 10:24
#30 Locking Mechanism curve by Oliver Marcano
Dec 18, 2017 16:50
#33 Locking Mechanism by Mahbub
Dec 20, 2017 3:55
#34 Locking Mechanism by Straightedge
Dec 20, 2017 17:40
#35 locking mechanism 3 by MR. CAD DESIGNS
Dec 24, 2017 17:14
#36 Locking Mechanism Diagonal by Oliver Marcano
Dec 26, 2017 16:38
#26 More intuitive - I submitted the locking mechanism by Saif
Dec 18, 2017 0:05
#25 plus design ideas by Saif
Dec 17, 2017 23:28
#24 2nd design - please see all my designs- by Saif
Dec 17, 2017 23:24
#23 1st design -see all my designs please- by Saif
Dec 17, 2017 23:23
#19 snap on lock by ferrabi
Dec 17, 2017 13:43
#18 Locking Mechanism Design for Consumer Product by sherifelsheikh
Dec 16, 2017 14:48
#17 Locking1 by ferrabi
Dec 16, 2017 12:41
#13 PB model 1 by Artspace
Dec 15, 2017 11:42
#8 locking_mechanism_consumer_product_concept-1.stp by Karthikeyan Arumugam
Dec 13, 2017 15:23

Discussion

lkharr

Buyer

Fri, 29 Dec 2017 18:11:37 +0000
Howdy, Everyone! We would like to thank each of y'all for your work in helping us to design the best possible locking mechanism for our product! There were some incredible designs that really were innovative, minimalistic, and simplistic. We would like to congratulate RBL Designs on being chosen as the winner and for his help along the way!

Thanks again and be on the lookout for future contests from us!

Landon and John
1310 Ventures
Wed, 27 Dec 2017 11:56:58 +0000
So you want to design an attaching system to join different brush heads to a common handle. Also could you please tell if the brush+handle device will be manually operated or by a machine. Also tell what are you going to apply with the brush, whether a powder/oil/paint etc. Thank you.

Saif

Designer

Sun, 17 Dec 2017 19:10:57 +0000
you left a space between the handle and your locking mechanism
must this area be free?

lkharr

Buyer

Fri, 15 Dec 2017 14:13:12 +0000
Yes The pieces will need to be locked and unlocked multiple times per day

lkharr

Buyer

Fri, 15 Dec 2017 14:12:34 +0000
Yes it will be injection molded

MSABOUBH

Designer

Fri, 15 Dec 2017 13:41:33 +0000
Is it plastic injected part?

Saif

Designer

Fri, 15 Dec 2017 10:44:59 +0000
does it have a lot of going in and out?
or you want to make the part in its place for a long time or for product life

lkharr

Buyer

Wed, 13 Dec 2017 16:42:38 +0000
How does the head detach once it's been Locked?

lkharr

Buyer

Wed, 13 Dec 2017 02:07:29 +0000
Howdy guys,
So we do not have a hard number or unit for the force applied that it needs to withstand. With that being said, this is a paint brush head, so think of the force that is applied to a paintbrush while you are holding it at an angle. We want it to obviously be able to withstand that force with possibly a safety factor of around 3 or 4, just to ensure that there is no possible way whatsoever that the brush will accidentally pop out of place while painting. Please let us know if you have any other questions. Thanks!
Tue, 12 Dec 2017 05:39:26 +0000
It would also be most helpful to attach a basic sketch of the forces directions. There are to be 2 things to consider, the force required to attach and disconnect the 2 pieces together, but also the eventual force or stress when using the assembled tool. We can design an attachment that fits the first set of force but that might not be appropriate for the second set of forces/stress when the tool is being used. We also need that to consider mechanical clearance between the 2 parts. Thanks.
Mon, 11 Dec 2017 23:26:37 +0000
It would be really helpful if you attached a similar product to the one you want. just so we don't get lost.

lkharr

Buyer

Mon, 11 Dec 2017 15:50:28 +0000
Howdy All,

The product is a painting tool and will be made of injection molded plastic, so the forces shouldn't be that great. Honestly, I'm not completely sure what they'll be, but lets just say that its somewhere around 5-7 pounds at its maximin that will be trying to force the pieces apart.I'm working on verifying payment. Sorry for the holdup on that.

Thanks!

MR. CAD DESIGNS

Designer

Mon, 11 Dec 2017 15:42:47 +0000
But, as optibild said we need its application and forces involved to solve it better.

MR. CAD DESIGNS

Designer

Mon, 11 Dec 2017 15:24:13 +0000
Cool project. I will participate.

sherifelsheikh

Designer

Mon, 11 Dec 2017 12:23:29 +0000
What is the force applied in the lock position that could cause this lock to open unexpectedly?

Ratnesh

Designer

Mon, 11 Dec 2017 06:55:48 +0000
Please make the contest prepaid hence will intend to give you right and best solution ...
Sun, 10 Dec 2017 23:54:34 +0000
verify payment.

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